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Service bulletin 990089021D

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 id10002887
Published by NHTSA2003-09-30
Manufacturer's number990089021D
Manufacturer's date2003-06-01
Replaces990084021C
NHTSA componentUNKNOWN OR OTHER

NHTSA's summary

EXPEDITING WARRANTY PARTS. 2004 AND PRIOR PASSENGER CARS, TRUCKS AND HUMMER H2. *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.

Vehicles listed
CHEVROLET CHEVROLET
GMC GMC
HUMMER H22004
OLDSMOBILE OLDSMOBILE
PONTIAC PONTIAC

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