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Service bulletin 030138011

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 id10012552
Published by NHTSA2005-03-07
Manufacturer's number030138011
Manufacturer's date2003-08-01
NHTSA componentEQUIPMENT:APPLIANCE:AIR CONDITIONER

NHTSA's summary

RELEASE OF NEW HVAC CONTROL ASSEMBLY TO ADDRESS COMPRESSOR CLUTCH CYCLING. THIS INCLUDES 1990-2002 CHEVEROLET AND GMC CONVENTIONAL CAB MEDIUM DUTY H-SERIES MODELS. *EH

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
UNKNOWN UNKNOWN

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