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Service bulletin 291100

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id616393
Published by NHTSA2001-02-25
Manufacturer's number291100
Manufacturer's date2000-11-29
NHTSA componentSUSPENSION

NHTSA's summary

SOME VEHICLES MAY EXHIBIT A POPPING NOISE DURING SHARP TURNING MANEUVERS OR WHEN THE VEHICLE IS DRIVEN OVER BUMPS. *TT

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

Vehicles listed
CHEVROLET BLAZER2000, 2001
CHEVROLET S102000 to 2001
GMC ENVOY2000 to 2001
GMC JIMMY2000 to 2001
GMC SONOMA2000, 2001
OLDSMOBILE BRAVADA2000, 2001

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PIP53382017-08-15. Service bulletin. This Preliminary Information communication provides information to the technician about vibration complaints that are one of the most challenging complaints to accurately diagnose and repair. Technician will need to use Pico Oscilloscope Diagnostic Kit to effectively diagnosis vehicles. Technician should drive the vehicle will using the Pico Oscilloscope to record data. After the data is recorded it should be reviewed to determine the root cause of the concern. If a repair attempt made the concern better but not eliminated or had no affect at all, and are requesting assistance from General Motors Technical Assistance Center record another Pico file and save it to the computer. After the new Pico Oscilloscope data has been saved email the data to General Motors Technical Assistance Center in the subject line include ?Vibration? ?Business Associate Code? and the last 8 of the Vehicle Identification Number.
6092005-09-02. Service bulletin. AXLE WATER CONTAMINATION. *SC
31832004-12-15. Service bulletin. FRONT AXLE GRIND WHINE NOISE IN 2WD GONE IN 4WD. *EH
020152004-05-20. Service bulletin. POP SNAP NOISE IN THE FRONT SUSPENSION WHEN BRAKING. *MR
01273B2003-11-20. Service bulletin. VIBRATION AT HIGHWAY SPEEDS. *TT
0612002001-03-27. Service bulletin. SOME VEHICLES MAY EXHIBIT A LOUD POPPING NOISE FROM THE REAR SUSPENSION AREA WHEN TRAVELING OVER BUMPS. *TT