WenmarOpen by Wenmar Pro

Service bulletin 01339

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 id10004110
Published by NHTSA2003-11-19
Manufacturer's number01339
Manufacturer's date2003-11-18
NHTSA componentENGINE AND ENGINE COOLING:COOLING SYSTEM:FAN

NHTSA's summary

HVAC BLOWER MOTOR FAN STAYS ON IN THE HIGH BLOWER POSITION. SERVICE VME. *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

Engine, Cooling fan, Cooling system

Vehicles listed
CHEVROLET AVALANCHE2004
CHEVROLET SILVERADO2004
CHEVROLET SUBURBAN2004
CHEVROLET TAHOE2004
GMC SIERRA2004
GMC YUKON2004
GMC YUKON DENALI2004 (the catalog's model; the bulletin names a series or trim of it)
HUMMER H22004

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
0006020062005-03-10. Service bulletin. DEX-COOL ENGINE COOLANT INFORMATION. 2004 AND PRIOR PASSENGER CARS AND TRUCKS. *TT
31212004-11-08. Service bulletin. EXHAUST VIBRATION RESONANCE OR MOAN IN VEHICLES WITH GEN III V8 ENGINES. *TC
3121A2004-11-03. Service bulletin. EXHAUST VIBRATION RESONANCE OR MOAN 99-05 FULL SIZE TRUCKS AND UTILITY VEHICLES WITH GEN 3 V-8 ENGINES. *TC
30722004-10-13. Service bulletin. THE ENGINE COOLANT TEMPERATURE OR INTAKE AIR TEMPERATURE SENSOR MAY READ -40 DEGREES WHEN MONITORED WITH TECH 2. *TT
020132004-05-26. Service bulletin. COOLANT LEAK FROM HEAD CUP PLUGS ON GEN III ENGINES. *MR
100120032004-05-06. Service bulletin. BLUEHEAT COOLANT HEATER THERMO TOP C. WEBASTO. *MR