# Service bulletin PIP4054A

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 10024345
- Published by NHTSA: 2008\-04\-07
- Manufacturer's number: PIP4054A
- Manufacturer's date: 2008\-02\-01
- Replaces: PIP4054B
- NHTSA component: SUSPENSION:REAR; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT

## NHTSA's summary

EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80. \*NJ UPDATED 7/17/2008. \*PE

## The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

## Components

Suspension, Transmission and driveline, Differential

## Vehicles listed

- 2004 to 2007 BUICK RAINIER
- 2000 to 2008 CADILLAC ESCALADE
- 2003 to 2008 CADILLAC ESCALADE ESV
- 2002 to 2008 CADILLAC ESCALADE EXT
- 2002 to 2004 CHEVROLET AVALANCHE
- 2005 to 2008 CHEVROLET AVALANCHE 1500
- 2005 to 2007 CHEVROLET AVALANCHE 2500
- 2004 to 2008 CHEVROLET COLORADO
- 2003 to 2006 CHEVROLET EXPRESS
- 2008 CHEVROLET EXPRESS
- 2007 CHEVROLET EXPRESS 1500
- 2007 CHEVROLET EXPRESS 2500
- 2007 CHEVROLET EXPRESS 3500
- 2000 to 2007 CHEVROLET SILVERADO
- 2008 CHEVROLET SILVERADO 1500
- 2008 CHEVROLET SILVERADO 2500
- 2008 CHEVROLET SILVERADO 3500
- 2000 to 2005 CHEVROLET SUBURBAN
- 2006 to 2008 CHEVROLET SUBURBAN 1500
- 2006 CHEVROLET SUBURBAN 2500
- 2008 CHEVROLET SUBURBAN 2500
- 2000 to 2008 CHEVROLET TAHOE
- 2002 to 2006 CHEVROLET TRAILBLAZER
- 2008 CHEVROLET TRAILBLAZER
- 2007 CHEVROLET TRAILBLAZER 360
- 2004 to 2008 GMC CANYON
- 2002 to 2006 GMC ENVOY
- 2008 GMC ENVOY
- 2007 GMC ENVOY 360
- 2003 to 2006 GMC SAVANA
- 2008 GMC SAVANA
- 2007 GMC SAVANA 1500
- 2007 GMC SAVANA 2500
- 2007 GMC SAVANA 3500
- 2000 to 2006 GMC SIERRA
- 2007 GMC SIERRA 1500
- 2007 GMC SIERRA 2500
- 2007 GMC SIERRA 3500
- 2007 GMC SIERRA CLASSIC
- 2000 to 2008 GMC YUKON
- 2000 to 2005 GMC YUKON DENALI
- 2000 to 2006 GMC YUKON XL
- 2007 to 2008 GMC YUKON XL 1500
- 2007 to 2008 GMC YUKON XL 2500

## Other bulletins for the same vehicles and component

- [3332](/bulletins/10017170.md), 2005-10-27, Service bulletin: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. RIGHT REAR WHEEL APPEARS TO EXTEND OUT FURTHER THAN THE LEFT SIDE. \*SC
- [990421003C](/bulletins/10004401.md), 2003-12-05, Service bulletin: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. FRONT WHEELS SLIPPING WITH VEHICLE IN FOUR WHEEL DRIVE. \*TT
- [020419001](/bulletins/10000723.md), 2003-03-27, Service bulletin: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. REVISED DIFFERENTIAL CARRIER ASSEMBLY REPLACEMENT. \*TT
- [211101](/bulletins/628149.md), 2002-03-05, Service bulletin: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. SOME VEHICLES AS WELL AS GMC SPORT UTILITIES AND PICK UPS AT VERY LOW MILEAGE, FROM AROUND ZERO TO 300 MILES OF FRONT DIFFERENTIAL FLUID LEAKING FROM THE FRONT AXLE VENT TUBE. \*TT
- [010417001A](/bulletins/623047.md), 2001-10-25, Service bulletin: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. SOME CUSTOMERS MAY COMMENT ON A VIBRATION DURING ACCELERATION FROM 0 \- 40 KM/H \(0 \- 25 MPH\). \*TT
- [990421003B](/bulletins/619378.md), 2001-05-24, Service bulletin: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. SOME OWNERS MAY COMMENT ON A SLIPPING TYPE CONDITION AT THE FRONT WHEELS WHILE THE VEHICLE IS IN FOUR WHEEL DRIVE \(4WD\). \*TT
- [990421004](/bulletins/607694.md), 1999-10-05, Service bulletin: POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT; POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. SOME PICKUPS AND FULL\-SIZE UTILITY MODELS WITH AN AUTOMATIC TRANSFER CASE MAY EXHIBIT A BUMP / CLUNK UPON ACCELERATION. \*TT

JSON: [/v1/bulletins/10024345](/v1/bulletins/10024345)

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