2005 Chevy Malibu squeaking noise in rear

Tiny
SHARON1201
  • MEMBER
  • 2005 CHEVROLET MALIBU
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 41,000 MILES
My 2005 Malibu has an annoying squeaking noise in the back whenever you go over any bump. This only occurs when the weather is cooler than 50 degrees and it is dry outside. Can you help?
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Wednesday, October 28th, 2009 AT 9:25 PM

3 Replies

Tiny
IMPALASS
  • EXPERT
Hello -

To better assist you is your model just the Malibu or the LS, LT, or the Maxx, or Maxx LS, or Maxx LT and what is the engine size in liter?
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Wednesday, October 28th, 2009 AT 10:18 PM
Tiny
SHARON1201
  • MEMBER
The car is a 2005 Chev Malibu LS, V6 engine.
Hope this helps find the problem.

Updated 12/2/09
Hi,
Just want to let you know that your suggestion for solving my problem with my 2005 Chev. Mailbu - with the squeaking noise in the rear - has totally solved my problem. I took it in to the mechanic and the used the grease recommended in the technical bulletin and it has taken care of the problem, there is no more noise!
Thank you SO much for your help.
Sincerely,
Sharon
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Thursday, October 29th, 2009 AT 7:42 PM
Tiny
IMPALASS
  • EXPERT
Hello -

Thanks for the info.............

This could be caused by any number of things so you will have to crawl up under there and have an assistant handy.

First......I searched through about 200 Technical Service Bulletins and they do have one that may be related. Some customers may comment on a squeak or creak type noise coming from the rear of the vehicle. This noise occurs at slow speeds while driving over small bumps and is most apparent when the underbody of the vehicle is wet.

Here is the entire TSB for your review..............

Reference Number(s): 05-05-26-002A, Date of Issue: September 22, 2006
Affected Model(s): 2005-2007 Chevrolet Malibu (Sedan Only); with Rear Drum Brakes (RPO J41 or JM4)
Supercedes: This bulletin is being revised to add model years. Please discard Corporate Bulletin Number 05-05-26-002 (Section 05 - Brakes).
Related Ref Number(s): 05-05-26-002, 05-05-26-002A
ARTICLE BEGINNING
CONDITION
Some customers may comment on a squeak or creak type noise coming from the rear of the vehicle. This noise occurs at slow speeds while driving over small bumps and is most apparent when the underbody of the vehicle is wet.
CAUSE
This condition may be caused by the park brake cables rubbing or slip-sticking on the retainer grommet.
CORRECTION
Replace both existing white parking brake cable grommets with new black grommets, P/N 15807015, using the procedure below. These new black grommets are made from a Teflon(R) material.
1. Raise and support the vehicle.
Fig. 1: Locating Grommet & Clip
Courtesy of GENERAL MOTORS CORP.


http://www.2carpros.com/forum/automotive_pictures/248015_1_185.jpg



2. Open the underbody clip (2) to provide some slack in the parking brake cable. Use a flat bladed tool to release the lock tab.
NOTE: Use care not to permanently bend the parking brake cable. If the cable becomes bent, it must be replaced.
3. Remove the white grommet (1) from the bracket. Pull the park brake cable inboard, gripping the cable on both sides of the grommet.
4. Use pliers to remove the white grommet from the cable.
5. Line up the new black grommet slot with the cable and compress onto the cable using pliers.
6. Install the black grommet into the bracket.
7. Reinstall the parking brake cable into the underbody clip.
8. Repeat the steps above for the other side.
9. Lower the vehicle.

Another area is any place you have bushings...........you will need to have someone push down on the rear and listen to each bushing.......inspect with a strong light.......you may have one torn/split..........

You may be able to locate a synthetic grease......from what I am told ACE Hardware has it and it is called super lube. You don't want to use Lithium grease and Marine grease - they are all petroleum based. Any petroleum based grease will react and degrade your bushings including Polyurethane bushing and stock OEM rubber Bushings.

You can check with the GM dealer too...........Non-Silicone Bushing Grease Approved by GM General Motors assigned Part No. 9986233

Let me know what you find out.
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Thursday, October 29th, 2009 AT 9:41 PM

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