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Service bulletin 041702

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 id636552
Published by NHTSA2002-11-10
Manufacturer's number041702
Manufacturer's date2002-04-17
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

INFORMATION ON LACK OF COOL AIR WITH THE AIR CONDITIONING SYSTEM. *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

Equipment and accessories, Heating and air conditioning

Vehicles listed
GMC GM

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