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Service bulletins for the 2005 GMC Sierra

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.

796 on file from NHTSA, as of 2026-10-19.

By type

By component

By trouble code

By topic

Bulletins, newest first
32052004-12-15. Service bulletin. POWER TRAIN. ALLISON LCT1000 PUMP SEPARATOR PLATE CHANGE DISREGARD ADDITIONAL VALVE. *TT
32042004-12-04. Service bulletin. ENGINE AND ENGINE COOLING. COOLANT LEAK AT ENGINE MOUNT BOLT. *EH
32352004-12-04. Service bulletin. TIRES. 20 INCH WHEELS STOP SELL ON 1500 CREW CAB WITH 5'8' BED. *EH
31932004-12-04. Service bulletin. ENGINE AND ENGINE COOLING. EXCESSIVE OIL CONSUMPTION. *EH
31882004-12-02. Service bulletin. SUSPENSION:REAR. SQUEAK NOISE FROM REAR LEAF SPRINGS. *EH
31372004-12-02. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SERVICE 4WD LIGHT ON AND NO COMMUNICATION WITH TRANSFER CASE CONTROL MODULE. *EH
31702004-12-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HARSH 1-2 SHIFT. *EH
31922004-12-01. Service bulletin. WHEELS. AVAILABILITY OF 20 INCH WHEELS AND TIRES THROUGH GMSPO ON 2005 MODELS. *EH
31612004-12-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 CLUNK NOISE ON START IN PARK. *EH
30562004-11-17. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. CHECK ENGINE LIGHT WITH A P0300 DUE TO 2-4 CYLINDERS MISFIRING ON THE SAME BANK OF THE ENGINE. *TT
31562004-11-10. Service bulletin. POWER TRAIN. 261 TRANSFER CASE DRIVELINES GROWL 1100-1200 RPM. *TT
31512004-11-09. Service bulletin. POWER TRAIN. ALLISON LCT1000 TRANSMISSION HARD TO REMOVE FROM PARK. *TT
31792004-11-08. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. AUTOMATIC DUAL ZONE HVAC BATTERY DRAW SUPPLEMENT TO 02-01-39-007A. *TT
008372004-11-08. Service bulletin. POWER TRAIN. ALLISON LCT1000 OVERDRIVE DISABLE LAMP INOPERATIVE AFTER INSTALLATION OF INSTRUMENT PANEL (IP). *TT
31212004-11-08. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM. EXHAUST VIBRATION RESONANCE OR MOAN IN VEHICLES WITH GEN III V8 ENGINES. *TC
30942004-11-05. Service bulletin. ELECTRICAL SYSTEM. ALLISON LCT 1000 P1781 OR P0802 SETTING IN THE ELECTRONIC CONTROL MODULE. (2005 CHEVROLET KODIAK AND 2005 GMC TOP KICK) *SC
30922004-11-05. Service bulletin. SERVICE BRAKES, HYDRAULIC. BRAKE DUST ACCUMULATION. *SC
30922004-11-05. Service bulletin. POWER TRAIN. ALLISON LCT 1000 BUZZ NOISE FEEL ON TCC APPLY. *SC
31072004-11-05. Service bulletin. ENGINE AND ENGINE COOLING. P0420 AND P0430 DTSC IN THE DETROIT, MICHIGAN AREA WITH GEN III V-8 ENGINES. *SC
0406010272004-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. MIS-MACHINED ENGINE OIL GALLERY - INSPECT/REPLACE ENGINE. VARIOUS 2005 MODELS INCLDING CHEVROLET EXPRESS. *NM ACTUAL SERVICE BULLETIN. *TT
31062004-11-04. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. XM RADIO WAS WORKING PRIOR TO JULY 26, 2004 AND IT IS INOPERATIVE NOW. *JB
31202004-11-04. Service bulletin. EQUIPMENT:ELECTRICAL:NAVIGATIONAL SYSTEM(GLOBAL POSITIONING SYSTEM). ONSTAR CENTER UNABLE TO PERFORM REMOTE DIAGNOSTIC. (2004-2005 CHEVROLET YUKON, 2005 CHEVROLET TRAILBLAZER, 2002, 2003, 2005 BUICK RAINIER, 2005 CHEVROLET EXPRESS VAN, AND 2005 CADILLAC SEVILLE) *SC
31192004-11-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:CATALYTIC CONVERTOR. ENGINEERING INVESTIGATION - CATALYTIC CONVERTER REPLACEMENT. *SC
31212004-11-04. Service bulletin. ENGINE AND ENGINE COOLING. EXHAUST VIBRATION RESONANCE OR MOAN. (2004-2005 GMC DENALI) *SC
3134B2004-11-04. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD INDICATOR ILLUMINATED. *TC WITH DIAGNOSTIC TROUBLE CODE CO327. *TT

The summaries are NHTSA's. Each bulletin's page links NHTSA's copy of the manufacturer's document.