Question about 2003 GMC Sierra 1500

1 Answer

Bouncing sensation when applying brakes

Gets worse the longer you drive vehicle. have replaced rear shocks, front brakes, tires and this did not help. rotors appear to be fine.

Posted by on

1 Answer

  • Level 1:

    An expert who has achieved level 1.

  • Contributor
  • 2 Answers

Warped rotors

Posted on Feb 28, 2009

Add Your Answer

Uploading: 0%

my-video-file.mp4

Complete. Click "Add" to insert your video. Add

×

Loading...
Loading...

Related Questions:

1 Answer

How to check rear shocks


Lean all your weight on the rear bumper with your knee. quickly release the weight and watch as the car comes back up. If it rises back to level and stays there your shocks are okay. If it bounces up and down, even a little, replace the shocks (always in pairs). Also you will want to check your springs, coil or leaf, for broken leaves or coils. If the shocks and springs are okay you probably have an "out of round" tire or one with seperated belts. Have a local tire shop check the tire for you on a balance machine, or block the front wheels, jack up your car with the trans in neutral, and spin the tire. If it is out of round it may be fairly apparent. Hope this helps.

Jun 22, 2014 | 2002 Honda Accord

Tip

When should I replace my shocks and or struts When a vehicle is brought into an...


When should I replace my shocks and or struts
When a vehicle is brought into an auto repair shop for routine vehicle maintenance, the auto technician may suggest that the vehicle shocks or struts need to be replaced. Learn the function of a car or trucks shocks and struts. Find out why the shocks and struts need to be replaced and how someone can tell if they’re bad.

The Purpose or Function of a Cars Shocks and Struts

Shocks and struts serve the same purpose. They’re main function is to keep the vehicle from bouncing. A vehicle has front and rear springs to cushion the vehicle over rough road conditions. If there were no shocks or struts the vehicle would continue to bounce excessively. The shocks and struts prevent the car from bouncing by damping the springs.

What’s the Difference Between Shocks and Struts?

Shocks are usually used to dampen leaf springs, where as a strut is used to dampen coil springs. Shocks are usually a single cylinder in the open where as a strut is normally surrounded by the coil spring and are more massive and complicated.

That’s why struts normally cost a lot more to replace than a shock. On a car the front suspension usually has struts and the rear usually has shocks. Some trucks have shocks on the front and rear. Other than those distinctions, shocks and struts serve exactly the same purpose.

Why Should the Cars Shocks or Struts be replaced?

Keeping in mind that the purpose of shocks and struts is to keep the vehicle from bouncing, the following is some of the reasons why they should be replaced.

* An excessively bouncing car can be an uncomfortable driving experience.
* The vehicle can be harder to control leading to an unsafe condition.
* Excessive strain can be put on other vehicle components causing premature failure.
* Bad shocks or struts will cause the tires to bounce and create spotty or choppy wear on the vehicles tires.

How to Tell if a Cars Shocks or Struts are Bad

1. Shocks and struts can be oil or air filled. If they are leaking oil or air they need to be replaced. Consumer beware, some dishonest auto repair shops will squirt oil on the shocks, show the customer the leaky shocks and tell them they need to be replaced.
2. Another method is the bounce test. Put all your weight on the front or rear of the vehicle and push down on the vehicle. Let go of the vehicle and stand back to see of it bounces. If the vehicle comes back up without bouncing, the shocks are probably in good shape. If the vehicle bounces a few times, chances are the shocks or struts need to be replaced.

Shocks and struts are wear items, not maintenance items. There’s no set mileage or time limit when they should be replaced. If the tires seem to have a choppy wear pattern or the vehicle bounces excessively over bumps, the shocks need to be checked.

Look at the struts or shocks and see if they’re leaking. Perform the bounce test and see if the vehicle bounces. Replacing the vehicle shocks and struts when they’re bad will create a safer and more comfortable driving experience, not to mention saving money in the long run.

on Dec 14, 2009 | Honda Accord Cars & Trucks

3 Answers

02 ford explorer front end jumpy


if its bouncing up and down check your shocks if it feels like its vibrating you need to balance the wheels

May 01, 2014 | 2002 Ford Explorer

2 Answers

Symptoms of worn rear shock absorber


To test if your shocks are worn, go to each corner of your vehicle, put two hands on the car, and now pump the corner down hard a few times rapidly, trying to get it to bounce, than quickly let go!, If the car only bounces one or two or three times and stops, they are fine, If any one corner bounces more than two or three times and keeps on bouncing like 5 or 6 times, it's a worn shock. Worn shocks can make it feel like your driving a big ol' loose boat across the road, even in a small vehicle with movement both side to side and up and down, so can worn or loose body bushings, worn suspension parts, under-inflated or broken in or worn out and softened tires. If your ride height seems low it could be worn springs, Shocks are cheap and easy to change, especially the rears. Springs aren't cheap and can be a pain to change on some front ends. Good luck!

Apr 23, 2014 | 2004 GMC Sierra

1 Answer

Wheel hop rear wheels


you have bad shocks-and- or tires that need replaced-while car is setting try to push down on the rear and see if it goes down easily and then bounces when released-jack rear end up-try to spin tires and see if they spin freely-check tires for cupping or funny wear patterns-you also may have brake shoe that are coming apart and locking a wheel up without putting on the brakes-so lots of options here-hope you get it solved-cheers Denny

Nov 07, 2013 | Chrysler Sebring Cars & Trucks

1 Answer

Bouncing and front end vibration


warped rotors replace and then fix shocks since its what caused it in the first place also check ball joints and tie rod ends. see a typical vehicle use 70 % front brake and 30 % rear brake and when the shocks are bad a vehicle will use 80 to 90 % front brake which will cause the rotors to heat up over 400 degrees and then rapidly cooling causing them warp

May 20, 2013 | Cars & Trucks

1 Answer

Our 2000 Buick Lesabre has been bouncing violently. Had right front shock and spring replaced, but the car still bounces hard. What else could be wrong?


This really sounds like tire damage. Often a little difficult to detect, but what you do is jack up the car, INSTALL jack stands. Then rotate the wheel assembly while observing across the tread to some stationary surface. What you are looking for is any out of true.
Try your spare on any suspect tire location.

Mar 02, 2013 | Cars & Trucks

1 Answer

When i turn a corner it feels like my rear end is sliding. ???


check your rear wheel tire pressures. low pressure will give you that sensation. also check your rear tire(s) condition, worn tires can cause that sensation. if tire pressure and condition check ok, then consider rear suspension wear as the problem. check the rear shocks, perform a bounce test-if the rear of the truck rebounds more than twice, it is a sign your shocks are worn. look underneath the truck inspect for broken leaf springs.

Dec 22, 2010 | 1997 Dodge Ram 1500 Club Cab

2 Answers

FRONT TIRE BOUNCE AT 40-50 MPH


relace your shocks. the design of any dampner(strut or shock design) is to return the wheel to the road for handling and safety. when the shock is worn out is with continue to bounce like a basketball. it has no more strength to return to wheel to the road. a common misconception is that they are there to absorb, not true. the springs or torsion bars are there to absorb and create ride height. the shock does nothing more then return the wheel to the road. simple and inexpensive.

Feb 02, 2010 | 1994 Jeep Grand Cherokee

Not finding what you are looking for?
Cars & Trucks Logo

Related Topics:

123 people viewed this question

Ask a Question

Usually answered in minutes!

Top GMC Experts

yadayada
yadayada

Level 3 Expert

61249 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

21949 Answers

Jeff Turcotte
Jeff Turcotte

Level 3 Expert

6812 Answers

Are you a GMC Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides

Loading...