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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.

By type

By component

By trouble code

By topic

Bulletins, newest first
0506040632005-11-30. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. LM7, L59 OR L33 ENGINES WITH COLD START ROUGH OR INCORRECT IDLE, MISFIRE, MALFUNCTION INDICATOR LAMP (MIL) OR FLASHING REQUIRING O2 SENSOR REPLACEMENT. *TT
05096100182005-11-10. Service bulletin. ENGINE AND ENGINE COOLING. ACCESSORY DRIVE BELT CHIRP, SQUEAL, OR SQUEAK TYPE NOISE AT COLD IDLE. *TT
05-04-21-0032005-11-09. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SERVICE 4WD LIGHT ILLUMINATED, DIAGNOSTIC TROUBLE CODE (DTC) C0374 SET. *TT UPDATED 10/05/07. *NJ INSPECT WIRING HARNESS TO TRANSFER CASE SPEED SENSORS, REPLACE WIRING HARNESS. UPDATED 7/18/08 *PE
0507300172005-11-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E/4L65-E AUTOMATIC TRANSMISSION/TORQUE CONVERTER CLUTCH (TCC) SHUDDER, WATER IN TRANSMISSION. *TT
05021180022005-11-08. Service bulletin. STEERING. DIAGNOSTIC TROUBLE CODE C0455, SERVICE REAR WHEEL STEERING, SYSTEM JUMPS FROM 4-WHEEL STEER TO 2-WHEEL STEER. *TT
0506010142005-11-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. OIL LEAK UNDER EXTREME COLD TEMPERATURES (-34 DEGREES C) (-30 DEGREES F) OR COLDER). *TT
05-06-04-0472005-11-05. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SERVICE ENGINE SOON (SES) LIGHT ON WITH REDUCTION IN ENGINE POWER, DIAGNOSTIC TROUBLE CODES P0202 AND P2146 OR P0207 AND P2149 SET. *TT ADD DTC P1294. INSTALL REVISED 90 DEGREE INJECTOR CONNECTOR WITH HARNESS SUPPORT BRACKET SERVICE KIT. UPDATED 7/18/08 *PE
0508500082005-11-05. Service bulletin. SEATS:FRONT ASSEMBLY:SEAT HEATER/COOLER. INTERMITTENT HEATED SEATS INOPERATIVE, DIAGNOSTIC TROUBLE CODE B3941 SET. *TT
0501380122005-11-04. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. EI05082 - LOSS OF BLOWER MOTOR SPEEDS EXCEPT FOR HIGH SPEED OR INOPERATIVE. *TT UPDATED. *KB UPDATED *KB
0507300132005-11-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. 4L60-E/4L65-E AUTOMATIC TRANSMISSION SECOND GEAR START, LACK/LOSS OF POWER WHEN ACCELERATING FROM A STOP. *TT
0503100052005-11-03. Service bulletin. WHEELS. HANDLING CHARACTERISTICS OF VEHICLES WITH 20 INCH WHEEL/TIRE ASSEMBLIES INSTALLED. *TT
0506040082005-11-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. DIAGNOSTIC TROUBLE CODE (DTC) P1172 OR P2636, FUEL GAUGE READS EMPTY, SERVICE ENGINE SOON (SES) LIGHT ON. *TT
0506040292005-11-03. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. FLEXIBLE FUEL (RPO L59) ROUGH IDLE, MISFIRE, MALFUNCTION INDICATOR LAMP DIAGNOSTIC TROUBLE CODE P0300. *TT
35692005-11-02. Service bulletin. SUSPENSION:REAR:AXLE:NON-POWERED AXLE ASSEMBLY. SERVICE VME - 8.6 INCH REAR AXLE WHICH EXHIBIT A GEAR WHINE CONDITION (UNTIL DECEMBER 23, 2005). *TT
34222005-11-02. Service bulletin. FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM. DURAMAX DIESEL PILOT TO MAIN INJECTION FUEL KNOCK NOISE. *TT
34242005-11-02. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT. *TT
35732005-11-01. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. UNWANTED OPERATION OF REAR WINDOWS. *TT
36162005-11-01. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. FUEL GAUGE INACCURATE/ DIAGNOSTIC TROUBLE CODE P0461 AND OR P2636/ TRANSFER PUMP WILL NOT SHUT OFF. *TT
3630A2005-11-01. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. FUEL GAUGE IS INACCURATE OR READS EMPTY ON DIESEL EQUIPPED CHASSIS CAB WITH DUAL TANKS. *TT
3616A2005-11-01. Service bulletin. FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM. FUEL GAUGE INOPERATIVE OR INACCURATE, THE SERVICE ENGINE SOON MALFUNCTION INDICATOR LAMP ON, OR FRONT FUEL TANK IS OVER FILLED WITH FUEL, TO THE TOP OF THE FILLER CAP. *TT
33432005-10-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. ENGINE OIL DIPSTICK UNSEATED OR OIL LEAK. *TT
31052005-10-28. Service bulletin. POWER TRAIN. PING, POP, SNAP OR CLICK NOISE FROM THE PROPELLER SHAFT. *TT
33172005-10-28. Service bulletin. ENGINE AND ENGINE COOLING; ENGINE AND ENGINE COOLING:ENGINE. HARD START / NO START OUTSIDE TEMPERATURES BELOW FREEZING. *TT UPDATED 7/13/09. *PE
33142005-10-28. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:DIESEL. DURAMAX DIESEL ENGINE HARD START, NO START, STALL OF DIAGNOSTIC TROUBLE CODE P0093, P1093. *TT
33122005-10-28. Service bulletin. ENGINE AND ENGINE COOLING. NO START, HARD START, LOSS OF POWER, OR WHITE SMOKE. *TT

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