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Service bulletins for the 2004 Chevrolet Silverado

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.

1089 on file from NHTSA, as of 2026-10-19.

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Only bulletins with component: Automatic transmission are shown. Show all

Bulletins, newest first
0507300022005-04-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. NEW ESSENTIAL TOOL J 45096 23 AUTOMATIC TRANSMISSION OIL COOLER LINE ADAPTER FOR ALLISON TRANSMISSION. *EH
0207300112005-02-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SLOW OR NO ENGAGEMENT OF AUTOMATIC TRANSMISSION NO START BLANK PRNDL DISPLAY FLASHING PRNDL DIAGNOSTIC TROUBLE CODE P0708 P0872 P0847 P0875 P1711 P1713 OR U1000 SET. THIS SERVICE BULLETIN REPLACES 020730011. *EH
32432005-01-31. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. LEAK FROM THE VENT 4L80E/4L85E TRANSMISSION. *EH
31702004-12-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. HARSH 1-2 SHIFT. *EH
31612004-12-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 CLUNK NOISE ON START IN PARK. *EH
305592004-10-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE P1711, P0872 AFTER COMPLETING REPAIRS. *TT
042220042004-09-20. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. RATTLE TYPE NOISE DUE TO A CRACKED FLEX PLATE. GM VOICEMAIL EXPRESS. *TT
008562004-07-12. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 OIL PUMP WHINE, BUZZ ON COLD START. *TT
013302004-07-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 BUZZ, MOAN NOISE AT 1400 RPM WITH THE 8.1 L18 GAS ENGINE. *TT
016542004-06-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SQUAWK OR GRUNT NOISE THAT OCCURS ON THE 2-3 UPSHIFT ON VEHICLES WITH 4L60E - M30, 4L60E M32 TRANSMISSION. *TT
016052004-06-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 INTERMITTENT NO REVERSE COLD ONLY.*MR
018562004-05-11. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. ALLISON LCT1000 WILL NOT SHIFT FROM PARK DUE TO ICE, SNOW OR MUD BUILD-UP ON SHIFT LINKAGE. *MR
019322004-05-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON LCT1000 DARK OR DISCOLORED TRANSMISSION FLUID WITH NO LOSS OF PERFORMANCE. *MR
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
0307300562004-03-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT
3259C2004-03-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR. *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
014832004-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). VEHICLE HAS NO PCM (POWER TRAIN CONTROL MODULE) COMMUNICATION WITH TECH 2. SIT BULLETIN 1400427. *TT
007022004-03-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SLIP CONDITION IN 2ND, 3RD OR 4TH DAMAGED 2-4 BAND 3-4 CLUTCH ON THE 4L60E/4L65E AUTOMATIC TRANSMISSION. *TT *MJ
010730038B2004-02-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE TRANSMISSION FEELS LIKE IT SHIFTS TO NEUTRAL OR A LOSS OF DRIVE OCCURS. *TT
0307300532004-01-05. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. ALLISON AUTOMATIC TRANSMISSION VALVE BODY HARDWARE CHANGES. *TT
030730031D2003-12-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. TRANSMISSION LEAKS, SLIPS, VEHICLE WILL NOT MOVE. *TT
0307300442003-12-02. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION ON ALLISON TRANSMISSION SERVICE REPAIRS - FULL SERVICE OF INTERNAL COMPONENTS. *TT
014732003-11-25. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). ALLISON LCT1000 DIAGNOSTIC TROUBLE CODE (DTC) P0700 UNABLE TO COMMUNICATE WITH THE TRANSMISSION CONTROL MODULE (TCM) USING THE TECH 2. *TT
00557B2003-11-21. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. THE ALLISON LCT1000 TRANSMISSIONS MAY EXPERIENCE A LEAK FROM OIL PUMP AREA. *TT

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