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Service bulletins for the 2001 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.

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

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By component

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Bulletins, newest first
017122004-05-03. Service bulletin. SUSPENSION:FRONT. LEFT FRONT OF VEHICLE SITS LOW. SIT BULLETIN 1454860. *TT
016982004-04-30. Service bulletin. VISIBILITY:WINDSHIELD. WINDSHIELD REVEAL MOLDING FLUTERING. SERVICE VME. SIT BULLETIN 1450940. *TT
017612004-04-30. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. FUEL GAUGE DIVERTS TO EMPTY AFTER IDLING ON INCLINE. SIT BULLETIN 1459166. *TT
01242A2004-04-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:BELTS AND ASSOCIATED PULLEYS. 6.6L LB7 LLY DIESEL ENGINE DRIVE BELT CHIRPING ON SHUT DOWN. SIT BULLETIN 1460352. *TT
017742004-04-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 6.6L LB7 REPEAT ENGINE OIL LEAK (LEFT SIDE) #2 MAIN BEARING CROSS BOLT. *MR
017172004-04-27. Service bulletin. UNKNOWN OR OTHER. 6.6L LB7 ENGINE - FUEL RAIL PRESSURE REGULATOR HARNESS CONNECTOR SERVICING. *TT
020526001B2004-04-16. Service bulletin. PARKING BRAKE; SERVICE BRAKES, AIR. REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT
0307300572004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TRANSMISSION FLUID LEAK FROM FRONT OF TRANSMISSION - TORQUE CONVERTER HOUSING/PUMP AREA. 2500/3500 SERIES MODELS. *TT
030730307A2004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TRANSMISSION OIL LEAK, ABNORMAL KNOCKING NOISE HEARD AT IDLE. 2500/3500 SERIES PICKUP MODELS. *TT
030605008B2004-03-04. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. ADVANCE SERVICE INFORMATION - EXHAUST SYSTEM POPPING/SNAPPING NOISE WHEN VEHICLE IS HOT, AT IDLE OR IMMEDIATELY AFTER VEHICLE IS SHUT OFF. *TT BULLETIN 03-06-05-008, DATED 11/01/2003 REPLACED. *TT
0307300562004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT
0303100062004-03-03. Service bulletin. SUSPENSION. REFERENCE GUIDE FOR THE TECHNICIAN TO UPGRADE A VEHICLE FROM FACTORY WHEELS AND TIRES TO 20 INCH WHEELS AND TIRES, WHICH ARE AVAILABLE THROUGH GMSPO. *TT
020730030A2004-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME CUSTOMERS MAY COMMENT THAT THE TRANSMISSION SLIPS, A SHUDDER, CHUGGLE, OR VIBRATION IS FELT WHEN THE TRANSMISSION SHIFTS FROM FIRST TO SECOND GEAR. *TT
3259C2004-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR. *TT
001496A2004-03-02. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:OTHER FUEL TYPES:TURBO/SUPERCHARGER. THIS MESSAGE IS IN REGARD TO DURAMAX TURBOCHARGER NOISES OR POSSIBLY A PERFORMANCE OR FUEL ECONOMY COMPLAINT. SERVICE VME. 6.6 LB7 DIESEL ENGINE. P0102, P0103, P0236. *TT
014952004-03-02. Service bulletin. FUEL SYSTEM, DIESEL. DURAMAX DIESEL FUEL IN OIL DIAGNOSTICS. SERVICE VME. LB7 6.6L ENGINE. SIT BULLETIN 1401353. VARIOUS MODELS INCLUDING 2003 AND 2004 GMC C4500 AND 5500 TRUCKS. *TT
014932004-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 PRNDL FLASH AND/OR WILL NOT MOVE WITH P0721, P0731, P0732, P0733, P0734, P0743, P0746, P0747, P0776, P0777, P1720, P1721, P1723 AND P1724. *TT
00252B2004-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:TORQUE CONVERTER. ALLISON LCT1000 KNOCK NOISE AND POSSIBLE LEAK FROM THE TORQUE CONVERTER AREA. SIT BULLETIN 1401124. *TT
014902004-03-02. Service bulletin. FUEL SYSTEM, OTHER. 6.6L LB7 DIESEL ENGINE RECAPPING TOOL FOR FUEL SYSTEM HIGH-PRESSURE SIDE DIAGNOSIS. SERVICE VME. SIT BULLETIN 1401058. *TT
014842004-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. GEN III REPLACEMENT FLYWHEEL BOLT HOLES LARGER THAN ORIGINAL PART. THE BOLT HOLES FOR THE CRANK SHAFT IN THE REPLACEMENT FLYWHEEL ARE LARGER THAN THE HOLES IN THE ORIGINAL PART. SIT BULLETIN 1400596. *TT
014962004-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE:TURBO/SUPERCHARGER. 6.6L LB7 DURAMAX DIESEL TURBOCHARGER NOISES OR FUEL ECONOMY COMPLAINT. SERVICE VME. SIT BULLETIN 1401355. *TT
014992004-03-01. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. 2004 6.6L DURAMAX LB7 ENGINES WITH EXTENDED CRANK DURING HOT ENGINE RESTART. DIAGNOSTIC TROUBLE CODE (DTC) P0193 MAY OR MAY NOT BE SET. SIT BULLETIN 1402202. *TT
00822B2004-02-28. Service bulletin. POWER TRAIN. NO 2ND, NO 4TH AND NO REVERSE. TO INCLUDE 2004 LIGHT DUTY AUTOMOBILES AND TRUCKS EQUIPPED WITH 4L60E OR 4L65E AUTOMATIC TRANSMISSION. *TT
00969A2004-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE WHISTLE NOISE. *TT
015122004-02-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. 6.6 LITER DURAMAX DIESEL ENGINE FUEL KNOCK NOISE. VARIOUS MODELS INCLUDING THE 2004 GMC C4500 AND C5500. SIT BULLETIN 1406247. *TT

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