It did not solve the problem so I also replaced the air springs on both sides. the sound compliments my break screeching nice lol !. There is no binding of any components. Extremely bumpy tracks may require a change to softer shocks if the car skates over the bumps or feels unstable. had old tires on the rear at first and thought that was the problem but have new tires now. However after I drive my 328i sport and getting back into the mustang I notice the bounce immediately. you slightly bounce up and down. 22 team had to make repairs to the rear axle before the green flag in the Playoffs Round of 12 opener at Dover. Bounce or sway while driving a car can be caused by faulty struts, shocks, or worn out tires. The 'bounce test' said nothing. The back end of the car bounces upwards and the back axle - with both rear wheels - breaks off and is left in the middle of the road. When adjusting front shocks, the idea is to get a smooth transition in the car's front end movement from launch through the first gear change. Having Meineke Car Care specialists perform the front axle repair keeps the moving components from excessively wearing down the connection point at the transmission. I sort of thought it could be an ABS issue. plush and car like after the shell. Disconnect the bolt holding the bottom of the strut to the steering knuckle. even tried grabbing the lateral link. Its like the rear end sort of slowly "shakes" up and down after the initial compression and decompression. There is a rubber boot which protects the CV joints called a “CV gaiter”, as well as an outer and an inner joint. This is usually caused by a front wheel out of balance. depending how rusted it is will decide the time. they are spotless. It also allows the tires to turn at different speeds, giving the car better traction when going through turns. It looks like it's attached to the windshield at the bottom of the rail that it's on, but it's not attached at the top and is sagging off. The fifth-wheel hitch pin normally is positioned a couple of inches ahead of the rear-axle centerline, topside in the bed of the truck, while the PullRite pivot point is underneath the vehicle, a few inches to the rear of the axle housing. To check the stiffness of your vehicle's rear shocks (or front shocks), push the corner of the car down as hard as possible. Today, the back seat is a relative backwater when it. There is a rubber boot which protects the CV joints called a "CV gaiter", as well as an outer and an inner joint. You may be talking about a different issue, but there is a rear end clunk that has been around and ford says is normal. When I'm on the highway sometimes my car will feel like it is floating and move sideways just a bit when I cross a seam in the pavement, this doesn't happen at very low speeds but can happen anywhere between 30 and 75 mph, it feels just like taking a curve at high speeds except I'm going straight and the wheel. The usual source of noise in the rear is the diff bouncing around. Bouncing is often something bound up in the rear suspension or shocks too tight. It was originally built with a 10 bolt GM rear end from a 79 Impala wagon but now has a 9in of the same width. Hello my 1979 trans am is making noise in the rear end, It sound like its coming from the back drivers side wheel but then it also sounds like it coming from the middle of the car in the back end. The car as it sits is completely stock. 0 Resto's 1979-1993 Mustang Fox Body suspension and chassis parts. CarToq puts together some common suspension-related problems and tells you what you should be looking to fix. The rear setup is ladder bars and a watts link with coil springs on top of the axle and shocks. The rear end of my fx35 2005 goes side to side mostly when I whant to over pass another car. I swear I shifted into neutral then performed the same braking procedure with the same results though I've been proven wrong before. Recommended Suspension Product to Reduce Bounce in Chevy until there's a load being carried on the rear vehicle axle. After some additional research I isolated the noise over the rear passenger tire. To check the stiffness of your vehicle's rear shocks (or front shocks), push the corner of the car down as hard as possible. definately a track bar. The chattering is very undesirable. I disassembled the vehicles. If it bounces just once, you. If your shocks were real bad and you hit a large hump or bump, your tires could actually leave the ground and you could lose control of your car. Seat a driver in the car (we need car at road going weight) Start bouncing the car at one end - push down sharply, let the car bounce, and then push it down again to keep the bouncing motion going continuously. ~4-link settings with MORE than 100% Anti Squat will Raise the rear end and hit the tires HARDER. Method 1 of 3: Test the pressure points while car is parked. Loading Unsubscribe from John King? How to Diagnose Driveline Vibrations Classic car Muscle Car Episode 264 Autorestomod. then it became more of a side to side thing. Bounce the car repeatedly as hard as you can. Its easy to think that if the rear suspension is compressing on launch it is actually unloading the car. If it continues. Buick LeSabre Car Feels Bouncy While Driving. As far as I know the car has not been into any wrecks. Wheel end vibrations can be out of balance, but it could also be out of round. If I drive left side over a bump or manhole the rear end pulls to the right as well. rear suspension bouncing in the 300TD Going down the road today, and the dang thing starts bouncing like the shock's are worn out. The first rubber ball deforms, but then quickly bounces back to its former shape, and transfers almost all the kinetic energy to the second ball. I drove 2 short wheel base ORs and neither did it. Have done a few shocks but not a lot really. I have been noticing a bad bounce when going over bumps when towing the TT. Please provide further details. You guys were easy to get in contact with as well, BUT I didn't even need to. The springs help keep the rear of the car from sagging and help with the bounce rate of the rear-end. Too Much toe-out in bump: Front. so i got my jack and jacked up the rear end of the car. Does your car do this? (common symptoms and what to do about them) by Charles Ofria. I remember reading that bouncy/harsh ride charactoristics are usually the accumulaters, and the shocks are fine unless they are leaking. Have someone lay under the car and watch the shocks while someone else bounces up and down (and lifts up) on the car to run the shocks through their travel. Could those be the culprit? It almost feels like the camper is "pushing" down and forward while going over bumps. In some more complicated and bigger damage claims resulting from rear-end collisions, two cars are pushed into each other when a third car hits the middle car, forcing it into the rear of the first car. This may cause the rear lower control arm to fracture. this is what i am getting from the rear of the truck only. done to my truck. Do it again on the rear of the vehicle. How does Vettel plan to bounce back from Bahrain? with what appears to be the fastest car on the grid at his disposal, it is important that he secure a top-three finish this weekend. It is lighter than rear suspensions on rear-wheel drive vehicles because it is not a drive axle. GT350R rear sway bar CB005 Steeda IRS subframe Alignment kit Steeda Rear Shock Mounts BMR Rear Sway Bar End Links I have a bounce when it a tight turn from the rear. I rented a bounce house for kids to play in at my graduation party. Nothing was all that heavy, just bulky so having the back end a bit lower was helpful. • Rear end squats when accelerating • Vehicle bounces or slides sideways on a winding, rough road. According to data from the NHTSA, the percentage of rear-end accidents in all crashes is 23–30%. he had it only had it 2 weeks. If I drive left side over a bump or manhole the rear end pulls to the right as well. The mechanic is normally very good at troubleshooting but he tried to find it when he had the car up on the lift doing the new shocks and tightened everything around the rear of the car but found no source. Some vehicles benefit from torsion bars, also called anti-sway or anti-roll bars. I've bought brand new tires, and it still does it. If your rear axle is damaged, or the car frame itself, a 4-wheel alignment is going to be necessary most likely. You should try adding some leaf springs recommended from the manufractuer, or just look for the same parts from another model just the same as your vehicle. The rear end of the strut rod is a round bushing with a bolt going through the frame mount and the bushing. I believe its stock with coil suspension and I replaced the shocks all around with monroes a month or two ago. The fact that you noticed the rear tire wobbling makes me think that you have a major issue in the rear of your truck! We don't recommend you driving it anymore until you get the problem fixed. In the rear of the car, the same design technology is used, but instead of a panhard rod to stabilize the right-left movement, a piece called a jacobs ladder is used. That's why there is an removable (Zeus fasteners) panel in the trunk, so that a lot of the rear end parts can be accessed from inside the trunk. Re: passenger side of car sits higher than driver's side « Reply #6 on: June 17, 2012, 11:38:18 AM » honestly sounds like the control arms in front have been tightened with weight off them, i would set car on the ground and loosen th control arm shaft nuts, then bounce the car a few times and retighten, have seen many techs do this and had. Slowing the rate at which the rear end rises increases the duration of time that the rear tires benefit from the improved traction. I have a 98 DS and at higher speeds the drivers side rear tire is bouncing. The tire looks good but the only way you can spot a slipped belt is to put the tire on the balancing machine on sloww speed and watch. onr bolt on the passenger and it's a ball joint on the drivers side. My car is the one in my avatar. The Dana 44 twin traction beam axle under the Ford F-150 4x4 was used for many years. I had new shocks installed on the rear but that did nothing to remedy the issue. When I left the shop, my car was bouncing all over the place. Hot Rod Magazine recommended us in this article talking about lift spacer cups for coil spring suspension systems. As far as I know the car has not been into any wrecks. Air Lift air springs (also called air bags) are designed to help correct a number of different problems that occur as a result of carrying heavy loads with your vehicle. There are several things that could be causing the knocking sound from the rear suspension. Rear end collisions tend to be at much lower speeds than side or front impacts, so injury rate is lower overall for that kind of impact on your vehicle. definately a track bar. But anytime I hit a bump that stretches across the road, the right rear end wheel bounces more than the rest, and over time makes me a little sea sick. I even had my mechanic ride beside my truck in his car and could see the rear end bouncing. The suspension will strongly resist being bounced at anything but its natural frequency, so you very soon get a feel for when to push. Try less angle. If the front and rear bounce at the same rate, you have suspension balance. According to data from the NHTSA, the percentage of rear-end accidents in all crashes is 23–30%. Push on the front end up and down several times with all your weight, and see if the front end goes up and down a few times. So for the case where they are more exposed, on balance that is a good trade-off. At 55 Bobtail it's pretty bad. Not to sound stupid but if it were me Id open the trunk stand in it and start bouncing the rear end to see if it was suspension related. Clearly the most obvious and likely reason for this is the first (middle) car being shunted forward and impacting, and then the second smaller impact of the 3rd car. I have a 1994 cadillac deville 4. Do you feel the back and forth up and down bounce in the rear end? These double adjustable rear shocks from for your 62-67 Nova will help you get the rear of the car under control. My Ride is Still Very Bouncy after Changing the Struts and Strut Mounts to stop the bouncing, so I would replace the rear ones before doing anything else. If the shaking is accompanied by an unpleasant droning sensation in your ears, it could. Front seems fine. So ever since I put the new ring and pinion on the rear it bounces. Shaking side-to-side on the spring shackles could transfer weight violently from wheel to wheel and might cause what you've experienced at speed. 22 team had to make repairs to the rear axle before the green flag in the Playoffs Round of 12 opener at Dover. Using the following methods, you can diagnose faulty struts, tie rod ends, brakes and other components that are related to common issues leading to a bouncy or unstable car. as a quick check, go to each corner of the car and one by one, bounce the car up and down a couple of times. But anytime I hit a bump that stretches across the road, the right rear end wheel bounces more than the rest, and over time makes me a little sea sick. That's why there is an removable (Zeus fasteners) panel in the trunk, so that a lot of the rear end parts can be accessed from inside the trunk. 5L V6 front wheel drive in the Ucar class. I think you are right because the ride height seems to be fairly level now with it off and when it's on it is jacked up like a 60's car with shackles on the rear leafs. Jack the rear off the ground, remove the wheel/tire. Chevy and GM Suspension Types and Differential Housing General Motors has been using variations of the 10- and 12-bolt differential since the mid-1960s so many different housings are in use. We investigate the source of squeaks on the Dodge Charger and find a pretty easy fix. One the way home, I pu. Almost like I have no control over the rear tires, which is what's driving the car. It also now has started to squeak, I can hear it in low speed, and the bounciness is also worse on low speeds, backing out of driveway jolts the car. Accumulators, Rear Suspension, the whole nine yard My 99 S500 road a bit rough and bouncy, I replaced the Accumulators Still rides rough for an S500, took it to the dealer to diagnose they said I need new Accumulators, even though I had just replaced them 2 weeks ago, and new shocks at $800 each. Jeeps have a short wheel base and solid axles so they handle differently from a car. As for going faster, this major bounce and skittishness happens whether I'm going 25 on surface streets or going 80 on the highway. The other issue is if I put the car in neutral and coast at highway speeds, the idle is bouncing between 1000 and 2200 rpms. I believe its stock with coil suspension and I replaced the shocks all around with monroes a month or two ago. If your shocks were real bad and you hit a large hump or bump, your tires could actually leave the ground and you could lose control of your car. Causing the wheel to bounce when your driving. That's why there is an removable (Zeus fasteners) panel in the trunk, so that a lot of the rear end parts can be accessed from inside the trunk. Learn about the causes of vibrations in your car, as well as some tests you can perform to diagnose and solve the issue. If the car nose drops too rapidly or bounces during a gear change, the bump should be increased (made stiffer). When I'm on the highway sometimes my car will feel like it is floating and move sideways just a bit when I cross a seam in the pavement, this doesn't happen at very low speeds but can happen anywhere between 30 and 75 mph, it feels just like taking a curve at high speeds except I'm going straight and the wheel. Depends on the mileage mate to be honest, I get a lot of 307's in with broken rear springs particularly just the end of the last coil snaps off. If that's the case, that bouncing and weaving you feel is the result of the hitch weight on the hind end of your Cherokee. If the car bounces or shakes, it’s usually caused by tires out of balance. How Car Accidents Cause Neck and Back Pain. If available, use on. So ever since I put the new ring and pinion on the rear it bounces. I installed it on my '00 QC primarily to assist against drop of the rear end when I tow (to help the EZLift bars,&tc. Lifted trucks are cool. • Rear end squats when accelerating • Vehicle bounces or slides sideways on a winding, rough road. Learn about this problem, why it occurs, and how to fix it. If available, use on. I have the same exact case than you do, except mine is an Infiniti FX35, the rear shock developed a leak, ride was fine, changed to KYB Excel Gs and the rear end feels loose and bouncy. of the car and see if the car bounces a few times or just goes down then. I did have a 3 axle alignment done 3 times. If it bounces more than twice, this is a sign that your shocks are worn. The Suspension System When to replace struts and shocks on your car. After adjustment, if the front end doesn't allow enough movement to transfer weight and it bounces the car on the tires after the launch, you may have gone too far in stiffening it up. Then rotate the axle. That was causing the noise in the right rear. The vehicle’s rear end squats when accelerating. When a collision occurs in an isolated system, the total momentum of the system of objects is conserved. I can't get the axle to go back into the diff no matter how hard I slam it in, the clip is dropping a little and preventing the axle going past the first bump inside the diff. One other thing I have noticed recently, and forgot to mention it in previous post, is that when the car is heavier than normal (I have at least 2 passengers in the car, or the trunk is packed with heavy suitcases), changing lanes on the freeway, when there is a "dip" on the road, the rear end sways noticeably when it comes out of the dip. One the way home, I pu. Coilovers being installed are stance GR+ Pro. THE "HAPPY" CAR. So I exported a rwd sports sedan (Something similar to the Dodge Charger SRT 392 and Hellcat models) to BeamNG and I can't seem to get rid of the rear end bounce, like driving over continuos bumps only when stopped. Follow from top to bottom to help isolate the source of the problem. If the rear end bounces up, your rear struts or shocks are the culprit and need replacing. Front Axle Repairs vs. How to Inspect Your Suspension System. Dirt Track Chassis Set-up At The Rear For Cornering. The only job of a shock is to absorb bumps on the road. will take a trade and cash!! call or text 607 3seven7 7568 have title!!!. Darting on throttle application on corner exits. The basic 10-bolt has been used in every type of vehicle, for both rear and front (four-wheel drive) applications. When I weigh my cars I try not too overthink all this binding stuff. By Joey Capparella. I remember reading that bouncy/harsh ride charactoristics are usually the accumulaters, and the shocks are fine unless they are leaking. Logano has rear axle issue before Dover start. Not only does it load down the rear axle, it then unloads the front axle due to the leverage effect, with the rear axle acting as a fulcrum. The rear end has gotten looser and is very bouncy. One way to test your shocks would be to push down on a corner of your vehicle and count how many times it bounces. Rear Toe The rear of the car is much different, as toe-out is never used. When to replace shocks and struts. This raises the rear axle housing, lowering the rear of the car without changing the springs. Thanks, Daniel. 2500 independent rear susp vs solid axle? a smother ride to appease all the car folks who bought trucks road and it bounces faster than the champagne room or. Not sure if it's related. I have e a 2005. The best way to describe it is it feels like the car is going sideways, or the rear end is slippingmore like bouncing. Once you've got an idea of where the noise is coming from and what it might be, park the car, set the parking brake and start bouncing the rear end while you and your assistant listen around the vehicle. This may cause the rear lower control arm to fracture. The "bounce test" requires some effort. I suspect a loose part, or a worn bushing. A rear end or differential rebuild is in your near future if the pinion seal is leaking or the differential is exhibiting excessive gear noise. There are several reasons why a car may shake at low speeds, such as bad motor mounts, warped rotors and unbalanced wheels. Anyways, on to the install. – The elapsed time it takes for a car to get around the course; Pogo – When a truck bounces on rear tires while doing a wheelie;. I sort of thought it could be an ABS issue. after having the car scanned at a local shop, it wasn't. Rear Axle Repairs. At 55 Bobtail it's pretty bad. It will slow steering because front end is riding high. Not only did it raise the rear end by about a 1" which I wanted to do, but it also totally changed the spring response. 94 which is the ratio I believe. 22 team had to make repairs to the rear axle before the green flag in the Playoffs Round of 12 opener at Dover. When to replace shocks and struts. We put the Lumi up on my neighbor's lift. The balloon car is built like a bounce house but with the radar. Regained control around 30mph. Causing the wheel to bounce when your driving. When I weigh my cars I try not too overthink all this binding stuff. The noise is extremely loud when I am jacking any corner of the car. The chattering is very undesirable. The car would experience exactly the same force in both cases. My noise is more of a creak, like an old door. If the nose dips toward the ground upon braking, your front shocks may need replacement. Bounce the car repeatedly as hard as you can. This kind of accident usually happens during rush hour, when traffic jams result in long lines of waiting cars. Have someone lay under the car and watch the shocks while someone else bounces up and down (and lifts up) on the car to run the shocks through their travel. Compare both front corners or both rear corners, but do not compare the front to the rear. Anyways, on to the install. The balloon car is built like a bounce house but with the radar. the front end seems to bounce a little, any ideas on this. Please provide further details. You have to remember these things are sprung to carry a 1000lb+ load in the back, so if the rear suspension gets any kind of hard knock without some weight to steady it, you're going to get some bounce and skip. the spring binds and then bounces the tire off. When I push on the rear end of the car I gut a much crisper and quicker rebound. It looks like it's attached to the windshield at the bottom of the rail that it's on, but it's not attached at the top and is sagging off. Speeding Car Bounces Off The Guardrail, Flips And Lands On Its Roof In the end, it was good to see The FF certainly has enough room in the rear to hold any criminals, although it won’t. Doesn't do it with weight in the bed. Fail date miles occurences Purchase date; SUSPENSION: 09/10/2012: 50000 : While driving vehicle, patriot began to make a weird noise and when braking on any incline the brake pedal would fell as though it was bouncing and you could hear a ticking noise from passenger front area of car. In most jurisdictions the law says that when the light turns yellow you should stop if you can, so it is entirely reasonable for you to attempt to stop if there was time to do so. Go to the rear and rock the car back and forth. How to Inspect Your Suspension System. Ideas, and comments welcome. Speeding Car Bounces Off The Guardrail, Flips And Lands On Its Roof In the end, it was good to see The FF certainly has enough room in the rear to hold any criminals, although it won’t. Would this explain the issue. The unique design maximizes the car bras ability to resist stones and withstand extreme temperatures while protection your vehicle against stone chips, nicks and insects. The car handles awesome but it still goes off to the sides when I hit a bump or get on the. The only thing that hasnt been replaced suspension wise are the rear lower and uppers, but idk if those would be the cause. Larger front discs and calipers are rarely a good idea on a road car because they do not easily reach operating temperature and are inclined to squeal and be generally unpleasant in daily use. Check and inflate car tires to begin the diagnosis. If you are bouncing around a lot, and are affected by crosswinds, look into having the struts and shocks replaced. ) With a car having stiff damping and/or spring rates, you might need a helper. I've had my mechanic ride alongside me down the road and he could see it. Now take the car on the road. Axle tramp definition A form of wheel hop which is usually found in live rear axle cars. I have a ford super duty truck that exhibits what has been named the death wobble as well as the 40-50 mph rear end bounce or shake. It starts out ok but then at tope speed it bounces the whole cart. But anytime I hit a bump that stretches across the road, the right rear end wheel bounces more than the rest, and over time makes me a little sea sick. Add more crossweight by adjusting at the left rear. Drive Shaft And Rear End -Take the car out on the road, examining the drive shaft and rear end. RCMP confirm the incident happened in Stony Plain, a town. These days, it is best remembered on the 230SL, 250SL and 280SL. I shoved it down again and it didn't bounce, and felt much firmer. I can hit the throttle and make it stop but when I'm doing like 60 it starts really vibrating and the vibration will only go away with a change off speed. Bounce that end of the car up and down. I had new shocks installed on the rear but that did nothing to remedy the issue. If the car continues to rock or bounce more than 2-3 times after you release it, the suspension is wearing out. The Suspension System When to replace struts and shocks on your car. Under acceleration or deacceleration it goes. rear suspension bouncing in the 300TD Going down the road today, and the dang thing starts bouncing like the shock's are worn out. If the car had only springs, it would wobble, shudder and bump along the road, jolting passengers about until they became physically ill and needed to get out. However, if you find yourself driving over a bump and it about causes you to clear your seat, you have some difficulties with the shocks and the struts. 5cm lower then the other, sometime more, handling and tracking seems fine, but defiantly notice the back end isn't level when looking from behind, here is a slight squeak from the back when I bounce the car, but not sure if this is the parking brake making the noise. I've cleared the cache, softened the rear suspension in Automation, and the rear ends of the cars still bounce. In the normal course of driving one drives over cracks and bumps in the road. lincoln town car - year 2001 - problem with the rear suspension system - rear end is presently less than one foot off the ground - car bounces up and down as one drives it - suggestions please, Peter … read more. You can see it in the mirror and cars behind me can see the bed shaking. even tried grabbing the lateral link. In the rear of the car, the same design technology is used, but instead of a panhard rod to stabilize the right-left movement, a piece called a jacobs ladder is used. I did not replace the front shocks yet. I have e a 2005. If the car continues to rock or bounce more than 2-3 times after you release it, the suspension is wearing out. To check the stiffness of your vehicle's rear shocks (or front shocks), push the corner of the car down as hard as possible. Chevy and GM Suspension Types and Differential Housing General Motors has been using variations of the 10- and 12-bolt differential since the mid-1960s so many different housings are in use. Rear suspension bounce What would cause the rear suspension on my truck to bounce? It happens when I go over a bump at low speeds. The car feels more direct, and it can potentially corner a bit faster. If the car has a three-link type of rear suspension and has a moveable link like device, a pull bar or torque arm, or lift bar, the rear end will rotate as a result of the forces of acceleration. Try the bounce test—when your car is parked, put all of your weight on the front end, release, and observe how the vehicle responds. In such instances, the driver of the third car is the one facing liability and fault for the rear-end accident. One, it provides improved road handling and braking, and two, it smoothens the ride for a more enjoyable drive. An inspection will determine which kind of alignment you will need. the fronts seem stiff enough that i really couldn't bounce it. obviously not noticeable off road, but they just resurfaced the neighborhood road,so smooth road =bounce. A representation of a car’s suspension suitable for modeling the bounce and pitch motions is shown in Figure P5. I say back end but it felt like that in the front too. There is no binding of any components. My noise is more of a creak, like an old door. The rule is the driver of the rear vehicle that collides with the back of the lead vehicle is presumed negligent unless the rear driver presents evidence that fairly and reasonably tends to show that the presumption is misplaced. The rear end of my fx35 2005 goes side to side mostly when I whant to over pass another car. Push on the front end up and down several times with all your weight, and see if the front end goes up and down a few times. In the rear of the car, the same design technology is used, but instead of a panhard rod to stabilize the right-left movement, a piece called a jacobs ladder is used. cuz its a little more bounce and pull when holding the wheel to right when i hit a bumb when i hit a bump on a left curve VS hitting a bump on a right curveor holding the wheel to the left VS right when i hit a bump/crack or could this not even be a related to the shocks in the rear and be a problem on the front end of the car even????. Rear end bounces 1 Answer. It did not solve the problem so I also replaced the air springs on both sides. vectra c automatic bouncing when braking, vectra c automatic front end bounce, vectra c cdti bouncing on bumpy roads, my rear end feels bouncey vectra, vectra c suspension problems front wheel bounces, my back suppenion feel real bouncey on my vectra, got vectra back end feels bouncy, vectra c bouncy back, vectra c rear is bouncy, zafira A rear. They are a pretty bouncy car in general though. Its to the point where you can bounce the back end like a basketball. What causes back end of a car to bounce? 3 4 5. after you stop boucning the car, the car should continue to bounce no more then 3 times. How to Inspect Your Suspension System. Usually, SUVs will need a 4 wheel alignment while cars will need just a front 2 wheel alignment. If you have the. The front end of a front wheel drive vehicle carries all the weight of the engine, while the rear wheels and tires carry virtually no weight at all. ” And, when accelerating quickly, the back of your vehicle does the “squats. Easily adjust the ride comfort from super soft for those cruise nights under the lights to firm and planted for spirited driving or auto X and drag racing. Of all the components in your car, the steering and suspension take some of the heaviest wear. However after I drive my 328i sport and getting back into the mustang I notice the bounce immediately. lincoln town car - year 2001 - problem with the rear suspension system - rear end is presently less than one foot off the ground - car bounces up and down as one drives it - suggestions please, Peter … read more. I put the car on grease tiles so the tires move freely on the scales and then I bounce each end a couple times. Clearly the most obvious and likely reason for this is the first (middle) car being shunted forward and impacting, and then the second smaller impact of the 3rd car. In such instances, the driver of the third car is the one facing liability and fault for the rear-end accident. So that explains the bounce too because pumped up air shocks have the same effect. Rear end protectors may be used but may not be used to strengthen car in any way. Under acceleration or deacceleration it goes. takes me about a half an hour but my first one was a good hour. I have a 99 Odyssey that I have owned for the past 5 years. As for rear-wheel drive vehicles that have separate rear suspensions, the half-shafts’ ends of the rear axle will have CV joints in them. 4 Signs of Worn Shocks and Struts. I am very pleaded with the results, the rear suspension is much stiffer and much more responsive. Recommended Suspension Product to Reduce Bounce in Chevy until there's a load being carried on the rear vehicle axle. I've had my mechanic ride alongside me down the road and he could see it. So now you find your rear axle is half an inch offset one way or the other, not at all unusual.