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Thread: Rear End Squeaking?
03-16-2013, 04:44 PM #11
Here's a G.M. Service Bulletin, its regarding.....Squeak Noise from Rear of Vehicle......weather or not this bulletin, is talking about the Same Squeak Noise your Silverado Has, I don't know, but I felt it was worth posting-up, as you mentioned, you have a Squeak Noise, hopefully this Bulletin may be able to help??
| Document ID: 2732835
#06-03-09-004D: Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs) - (Nov 1, 2011)
Subject: Squeak Noise from Rear of Vehicle (Lubricate Rear Leaf Springs)
Models: 1999-2007 Chevrolet Silverado (Classic)
2007-2012 Chevrolet Colorado, Silverado
1999-2007 GMC Sierra (Classic)
2007-2012 GMC Canyon, Sierra
2007-2010 HUMMER H3, H3T
This Bulletin is being revised to add the 2012 model year. Please discard Corporate Bulletin Number 06-03-09-004C (Section 03 – Suspension).
Some customers may comment about a Squeak Noise coming from the Rear of the Vehicle. During normal operation, certain vehicles may exhibit a squeaking noise that may be traced to the rear leaf springs. While this noise is an operating characteristic of leaf springs, the frequency and severity of this noise will be affected by the roads that the vehicle is driven on.
This condition may be due to debris getting between the leaf springs.
To correct this condition, lubricate the rear leaf springs using the following procedure.
It has been found that the application of grease to the rear leaf springs does a better job of preventing the noise from reoccurring than replacement of the spring.
1. Raise the vehicle on a frame lift-type hoist.
2. Inspect the springs for damage. If none is found, proceed to the next step.
3. Pressure wash the rear leaf springs to remove as much dirt and grit as possible.
4. Dry the springs with compressed air.
5. Apply a liberal amount of grease, P/N♦12345996 (in Canada, use P/N♦10953501), both underneath and on top of the front and rear tip inserts for the #2 and #3 leaves. A screwdriver can be used to gently pry up the tip insert; however, a rag around the screwdriver must be used to prevent damage to the spring. Use a flat-bladed tool, such as a gasket scraper to properly distribute the grease.
6. Lower the vehicle to the ground and test drive to verify the repair.
*****Please inform the customer that this will offer relief, but is not a lifetime repair. Periodic cleanings and grease re-application may be necessary throughout the life of the vehicle.
Last edited by 99'HEARTBEAT; 03-16-2013 at 05:10 PM. Reason: Added Infor.
5.3 l 3.73 l G80
BLACK BEAR CUSTOM TUNE
SNUGTOP l COLORMATCH l KATZKIN
03-16-2013, 10:05 PM #12
Good call @99'HEARTBEAT ! My 02 silverado had a squeak in the rear when hitting bumps. I noticed it after traveling down a dirt road. I pressure washed the leaf springs and sprayed the crap out of them with lubricant. The squeak went away for a while, whenever it would return I just resprayed them.
1995 Silverado 4x4
6" BDS Suspension Lift-3" Body Lift-Add A Leaf in rear -Trailmaster SSV Shocks-Duel Steering Stabilizer Kit -AirAid Cold air intake-
4.56 Gears with Detroit Auburn Locker-Pro-Comp Traction Bars with duel shocks-Aluminum Skid Plate Kit-38.5" x 16.5" Mickey Thompson Baja Claws-Constant Dropping fuel gauge
2005 Yukon XL Jet Power Programmer, Bilstein Shocks, Bilstein rear springs, Helwig Anti-sway bars, EGR Window Visors, EGR Hood Shield, Denali Headlights, Headlight harness upgrade, GE NightHawk Bulbs, White Night Rear lighting system http://www.gmtruckclub.com/forum/sho...5-GMC-Yukon-XL
2002 Silverado ext cab 2wd (Sold)
2003 Yukon XL (Totaled)
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