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Service bulletin 02033

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 id10006038
Published by NHTSA2004-04-12
Manufacturer's number02033
Manufacturer's date2002-08-01
NHTSA componentPOWER TRAIN:AXLE ASSEMBLY

NHTSA's summary

SOME MEDIUM DUTY TRUCKS EQUIPPED WITH AN 11,000 # REAR AXLE MAY HAVE BEEN BUILT WITH AN INCORRECT AXLE PINION ANGLE THAT RESULTS IN UNDESIRABLE DRIVE CHARACTERISTICS SUCH AS LAUNCH SHUDDER AND HIGHWAY SPEED DRIVELINE VIBRATION. CUSTOMER SATISFACTION RECALL PROGRAM BULLETIN AND RECALL PARTS BULLETIN. *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

Transmission and driveline, Axle

Vehicles listed
CHEVROLET C45002003
GMC C45002003

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