2000 GMC Sierra TSBs

SOME CUSTOMERS MAY COMMENT ON HIGHER THAN EXPECTED ENGINE OIL CONSUMPTION.

SOME CUSTOMERS MAY COMMENT ON A MILD TO SEVERE ENGINE PING (COMMONLY REFERRED TO AS SPARK KNOCK) USUALLY WORSE DURING...

SOME CUSTOMERS MAY COMMENT ON A MILD TO SEVERE ENGINE PING (SPARK KNOCK) DURING ACCELERATION AND / OR ILLUMINATED...

SOME CUSTOMERS MAY COMMENT THAT THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES...

SERVICE ENGINE SOON LAMP ILLUMINATED, INCORRECT TRANSMISSION SHIFTS, POOR PERFORMANCE OF ENGINE, TRANSMISSION SLIPPING.

SOME VEHICLES MAY EXHIBIT A SECURITY LAMP ILLUMINATED ON THE INSTRUMENT PANEL, ENGINE STALL, NO START CONDITION, AND DIAGNOSTIC TROUBLE CODE B2960.

SOME CUSTOMERS MAY HAVE CONCERNS WITH THE SECURITY LAMP ILLUMINATING WHILE DRIVING; THE SECURITY LAMP MAY BE ON OR OFF;...

ENGINEERING IS INVESTIGATING HARSH ONE-TWO SHIFT ON THE 4L60E AUTOMATIC TRANSMISSION.

SOME VEHICLES EQUIPPED WITH INSTRUMENT PANEL CLUSTERS THAT CONTAIN A MESSAGE CENTER MAY HAVE CUSTOMER COMPLAINTS OF A...

SOME DRIVERS MAY COMMENT ABOUT THE SERVICE ENGINE SOON LAMP ILLUMINATING.

SOME CUSTOMERS MAY COMMENT ON A HIGHER THAN EXPECTED ACCELERATOR PEDAL EFFORT FROM THE IDLE POSITION, C/K SERIES PICK UPS (SILVERADO AND SIERRA).

SOME CUSTOMERS MAY COMMENT ABOUT THE SERVICE ENGINE SOON LAMP BEING ILLUMINATED WITH NO OTHER DRIVEABILITY CONCERNS...

A CONDITION WITH A MISMACHINED ENGINE CRANKSHAFT - INSPECT ENGINE / REPLACE IF REQUIRED.

SUBJECT REGARDING MISMACHINED ENGINE CRANKSHAFT - INSPECT ENGINE / REPLACE ENGINE, IF REQUIRED.

INFORMATION REGARDING MISMACHINED ENGINE CRANKSHAFT ON TRUCKS EQUIPPED WITH 4.3L V6 ENGINES.

This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar...

This Preliminary Information communication provides information to the technician about vehicle that may have an OnStar...

This Preliminary Information communication provides information to the technician about vehicles that have a Service...

This Preliminary Information communication provides information to the technician about changing the tire and wheel size on vehicles.

GENERAL MOTORS: INFORMATION PROVIDED BY BULLETIN FOR ALL 2012 AND PRIOR GENERAL MOTOR TRUCKS AND PASSENGER VEHICLES...

GM: THE SERVICE ENGINE SOON LIGHT IS ON, THERE IS ALSO A MISFIRE OR ENGINE NOISE.

GM: LOSS OF POWER HESITATES ON ACCELERATION.

GENERATION III V8 ENGINE PISTON REPAIRS.

4L60E, 4L65E REPLACEMENT VALVE BODY GASKETS DOES NOT SEEM TO FIT.

DIAGNOSTIC TROUBLE CODE P0128 OR ENGINE WILL NOT REACH OPERATING TEMPERATURE.

FOUR WHEEL DRIVE INOPERATIVE AND THE 4WD SERVICE LIGHT WILL ILLUMINATE.

1999 - 2005 GEN II COLD ENGINE MISFIRE AT IDLE WITH POSSIBLE P0171 AND/OR P0174.

BULLETIN 04-08-64-003, FRONT DOOR POWER WINDOW MOTOR ASSEMBLIES - WARRANTY REPAIR INFORMATION.

IDLE INSTABILITY, LOW OR ROUGH IDLE WITH ELECTRONIC THROTTLE CONTROL.

POWER WINDOW MOTOR NOW AVAILABLE SEPARATELY FROM THE POWER WINDOW REGULATORY ASSEMBLY.

SERVICE ENGINE SOON LIGHT AND P0300 WHEN TOWING, CRUISING UPHILL OR ON HARD ACCELERATION.

CHECK ENGINE LIGHT WITH A P0300 DUE TO 2-4 CYLINDERS MISFIRING ON THE SAME BANK OF THE ENGINE.

EXHAUST VIBRATION RESONANCE OR MOAN IN VEHICLES WITH GEN III V8 ENGINES.

P0420 AND P0430 DTSC IN THE DETROIT, MICHIGAN AREA WITH GEN III V-8 ENGINES.

ENGINEERING INVESTIGATION - CATALYTIC CONVERTER REPLACEMENT.

SERVICE ENGINE SOON LIGHT WITH A P0300 MISFIRE DUE TO MISFIRES MAINLY ON CYLINDER 7.

ENGINE TICK, RATTLE OR KNOCK NOISE AFTER CYLINDER HEAD GASKET REPLACEMENT ON THE 6.0L ENGINE.

THE SERVICE INFORMATION AND OWNERS MANUAL DO NOT SHOW A SERVICE INTERVAL FOR THE 8.6, 9.5, 9.75, 10.5, AND 11.5 INCH...

6.0L LQ4 VIN U ENGINE RESTRICTION.

ENGINE MISFIRE DUE TO INJECTOR FRETTING CORROSION.

ENGINE COOLANT LEAK AT INTAKE GASKET.

4.3L L35 ENGINE-DIAGNOSTIC TROUBLE CODE P0300 BUT NO MISFIRE CAN FELT.

4.3L L35 ENGINE WIDE OPEN THROTTLE DIAGNOSTIC TROUBLE CODE (DTC) P0335, P0336, P0339.

ROLL-OUT FOR THE GEN III SMALL BLOCK ENGINES WITH IRIDIUM SPARK PLUGS.

GEN III ENGINES WITH MAF (MASS AIRFLOW) SENSOR CODE P0101.

ADVANCE SERVICE INFORMATION - EXHAUST SYSTEM POPPING/SNAPPING NOISE WHEN VEHICLE IS HOT, AT IDLE OR IMMEDIATELY AFTER VEHICLE IS SHUT OFF.

ENGINE WHISTLE NOISE.

MALFUNCTION INDICATOR LAMP ON WITH A P0300 SET AND A MISFIRE.

THE SERVICE ENGINE SOON LAMP IS ILLUMINATED, NO 3RD AND 4TH GEAR, THE TRANSMISSION DOES NOT SHIFT CORRECTLY, THE...

ERRATIC IDLE, IDLE SURGE, ROUGH RUN, OR NEAR STALL.

RATTLE NOISE IN ENGINE.

HIGHER THAN EXPECTED OIL CONSUMPTION <8500 GVW.

RATTLE NOISE IN ENGINE.

MALFUNCTION INDICATOR LAMP ON WITH A P0300 SET AND A MISFIRE.

GEN III ENGINE NOISE AFTER HOT SOAK RESTART.

MULTIPLE DRIVEABILITY SYMPTOMS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT MISFIRE DUE TO CLOGGED FUEL INJECTORS.

INCREASED ACCELERATOR PEDAL EFFORT, IDLE INSTABILITY.

CONCERNS WITH LAUNCH SHUDDER / VIBRATION ON ACCELERATION.

SUBJECT REGARDING LUBRICATION OF PROPELLER SHAFT DOUBLE CARDAN CV TYPE U-JOINT CENTERING BALL AND SEAT.*NLM

SOME OWNERS OF C1500 SERIES EXTENDED CAB PICKUP MODELS MAY COMMENT ON A VIBRATION/LAUNCH SHUDDER WHEN ACCELERATING FROM A STOP.

INFORMATION REGARDING PICK-UP BOX REINFORCMENT KITS, FOR WHEN ADDING TOOLBOXES OR LADDER RACKS.

INFORMATION REGARDING FRONTAL WIND NOISE CONDITION.

INFORMATION REGARDING NEW PICKUP BOX REINFORCEMENT KITS WHICH ARE AVAILABLE FOR CUSTOMERS WHO MAY WANT TO INSTALL A...

SOME CUSTOMERS MAY COMMENT THAT THE CENTER CONSOLE LATCH MAY STICK OR WILL NOT OPEN.

EXPERIENCING INCREASED ACCELERATOR PEDAL EFFORT.

SOME CUSTOMERS MAY COMPLAIN THAT THEIR FULL-SIZE PICKUP TRUCKS MAY BE HARD TO START OR INTERMITTENTLY DOES NOT START.

SUBJECT REGARDING CUSTOMER COMPLAINT OF WHISTLE AND WIND RUSH OR FLUTTER TYPE NOISE.

SOME OWNERS MAY COMMENT ON A HESITATION, SAG OR A STUMBLE ON INITIAL ACCELERATION AFTER THE FIRST STARTUP OF THE DAY.

A CONDITION WITH DRIVELINE VIBRATION / GROWL NOISE.

This informational bulletin provides information on a GM of Canada OnStar cellular communication upgrade.

This informational bulletin provides information on a GM of Canada OnStar cellular communication upgrade.

GM: INFORMATION ON FIXING MULTIPLE SITUATIONS RIGHT THE FIRST TIME.

NEW DESIGN FRONT AXLE SIDE BEARING ADJUSTERS.

HORN INOPERATIVE AT TIMES.

UNWANTED/LOOSE SEAT MOVEMENT.

REAR AXLE RETAINER BUTTON BREAKAGE.

REVISED FRONT CASTER AND CAMBER ADJUSTMENT PROCEDURE.

4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT.

VARIOUS INTERMITTENT DRIVEABILITY CONDITIONS - HESITATION, LACK OF POWER, ETC.

261 TRANSFER CASE DRIVELINES GROWL 1100-1200 RPM.

REPLACEMENT FLEXPLATE MAY HAVE LARGER BOLT HOLES THAN THE ORIGINAL FLEXPLATE.

DOWNHILL CRUISE CONTROL SURGE.

REAR AXLE LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS.

LEFT FRONT OF VEHICLE SITS LOW.

D HEIGHT SPECIFICATION MISSING FROM SI.

POOR PERFORMANCE FROM A STOP IN 2WD, AUTO OR 4WD HI.

REVISED REQUIREMENTS FOR INSTALLING THE RUNNING BOARD.

RATTLE/SQUEAK FROM FRONT OF VEHICLE.

DESIGN CHANGE OF REAR OUTPUT SHAFT AND OIL PUMP REPLACEMENT PARTS.

INCREASED ACCELERATOR PEDAL EFFORT.

SCRAPING NOISE FROM REAR OF VEHICLE.

CENTER CONSOLE LID HARD TO OPEN OR CLOSE.

NEEDLE BEARINGS FOUND IN OIL PAN.

SOME CUSTOMERS MAY COMMENT ABOUT HOOD HINGE WIND NOISE .

SOME CUSTOMERS MAY COMMENT THAT THE MANUAL LOCK LEVER COMES LOOSE FROM THE DOOR TRIM PANEL.

SUBJECT REGARDING AVAILABILITY OF PICKUP BOX REINFORCEMENT KITS FOR TOOLBOX / REAR WINDOW BARRIER / LADDER RACK APPLICATIONS.

SOME CUSTOMERS WHOSE VEHICLES ARE OPERATED IN DUSTY TYPE ENVIRONMENTS, SUCH AS FARMING OR MINING OFF-ROAD TYPE...

SUBJECT REGARDING DOOR MANUAL LOCK LEVER DISENGAGES FROM DOOR TRIM PANEL (REPAIR LOCK LEVER) *JG

SUBJECT REGARDING FRONT AND REAR SIDE DOOR ACCESS DOOR NOISE (REPLACE DOOR CHECK LINK).

INFORMATION REGARDING FRONT AND REAR SIDE ACCESS DOOR NOISE.

SUBJECT ON DOOR MANUAL LOCK LEVER DISENGAGES FROM DOOR TRIM PANEL.

SUBJECT REGARDING NEW DOOR CHECK LINK.

SOME VEHICLES MAY EXPERIENCE A SQEAKING SOUND COMING FROM THE FRONT DOORS WHILE OPENING AND CLOSING.

CUSTOMER COMMENTS THAT THE 3RD OR 4TH DOOR IS HARD TO CLOSE WHEN COLD.

SOME OWNERS MAY COMMENT ON A RATTLE NOISE WHEN CLOSING EITHER OF THE FRONT DOORS.

This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.

This Preliminary Information communication provides information to the technician about vehicles that may have slack in one of the tailgate cables.

GM: THE FRONT OR REAR DOOR MAY NOT OPEN FROM THE INSIDE OR OUTSIDE HANDLE, THE DOOR WILL NOT UNLOCK WITH ANY METHOD.

LEFT FRONT AXLE SHAFT DIFFICULT TO REMOVE.

OUTSIDE REARVIEW MIRROR HOUSINGS COME LOOSE FROM BASE.

DOOR HINGE REPLACEMENT KIT.

4L80E OUTPUT CARRIER THRUST WASHER CHANGES.

TAILGATE SUPPORT CABLE.

WINDRUSH AROUND WINDSHIELD.

TAILGATE CABLE SLACK.

TAILGATE SUPPORT CABLE.

REAR QUARTER GLASS SERVICE REPLACEMENT KITS MAY HAVE DEFORMED SEALING STRIPED WHEN INITIALLY REMOVED FROM THEIR PACKAGING CAUSING DEALERS TO REORDER.

SQUEAK OR CREAK NOISE FROM UNDERBODY OVER BUMPS.

REPLACEMENT TAILGATE CABLES BIND AT SHOULDER BOLT.

WINDSHIELD REVEAL MOLDING FLUTERING.

CUSTOMERS MAY COMMENT ABOUT A BRAKE SQUEAK OR A NOISE, PARTICULARLY AFTER A COLD SOAK AND ON THE FIRST BRAKE APPLICATION.

INFORMATION REGARDING DRIVER'S POWER BUCKET SEATBACK EXPERIENCING MOVEMENT DURING BRAKING.

LOW EFFORT PARKING BRAKE APPLY SYSTEM.

SUBJECT REGARDING CAMPAIGN 0093A - FRONT BRAKE PIPE IN CONTACT WITH THE BODY CROSS SILL.

BRIEF INFORMATION CONCERNING PARKING BRAKE SHOE ADJUSTMENT.

SUBJECT REGARDING A CLEARANCE CONDITION BETWEEN THE FRONT RIGHT-HAND BRAKE PIPE AND THE BODY CROSS SILL.

EXHIBITING FRONT BRAKE PIPE CONTACT WITH BODY CROSS SILL.

SUBJECT PERTAINING TO FRONT BRAKE PIPE CONTACT WITH BODY CROSS SILL.

SUBJECT REGARDING CUSTOMER SATISFACTION CAMPAIGN - FRONT BRAKE HOSE ABRASION.

SOME CUSTOMERS MAY COMMENT THAT THE DRIVER'S BUCKET SEATBACK MOVES FORWARD ABOUT 25 TO 38 MM (1 TO 1-1/2 INCHES) DURING MODERATE TO HEAVY BRAKING.

This Preliminary Information communication provides information to the technician the steps needed to diagnose and...

This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need...

This Preliminary Information communication advises the technician that the Hydro-Boost is not serviceable and will need...

CHEVROLET/GMC/CADILLAC: ANYTIME HYDRAULIC BRAKE PIPES ASSEMBLY NEED REPLACING, PRE-FORMED AND PRE-FLARED BRAKE PIPES...

ABS LIGHT ON, DTC'S C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE.

APPLICATION OF HORN AT HORN PAD INOPERATIVE.

AVAILABILITY OF REAR WHEEL MUD FLAPS TO REDUCE DEBRIS BUILD-UP ON REAR BRAKE CALIPERS AND/OR REAR WHEELS.

LOW BRAKE PEDAL, RED BRAKE LIGHT ON, BRAKE SYSTEM WARNING MESSAGE ON.

ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON, DIAGNOSTIC TROUBLE CODES (DTCS) C0265, C0201, U1041 SET AND/OR LOSS OF COMMUNICATION WITH BRAKE MODULE.

REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES.

ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS (CLEAN WHEEL SPEED SENSOR MOUNTING SURFACE).

RIGHT REAR INNER BRAKE PAD WEAR.

TRAILER BRAKES APPLIED WHEN HEADLIGHTS / PARK LAMPS ARE ON, BRAKE CONTROLLER ILLUMINATION.

SOME FOUR-WHEEL DRIVE EXTENDED CAB SHORT BED MODELS MAY EXHIBIT A BUMP/CLUNK ON STOP OR ACCELERATION.

INFORMATION ON 4-WHEEL DRIVE EXTENDED CAB, SHORT BED VEHICLES WITH 4-WHEEL DRIVE EXTENDED CAB, SHORT BED WITH A BUMP OR CLUNK ON STOP OR ACCELERATION.

THIS MESSAGE COVERS TRUCKS WITH FOUR-WHEEL DRIVE EXTENDED CAB SHORT BED WITH A BUMP OR CLUNK ON STOP OR ACCELERATION IN...

SOME EXTENDED CAB SHORT BED VEHICLES WITH FOUR-WHEEL DRIVE MAY EXHIBIT A BUMP OR CLUNK ON STOP OR ACCELERATION FROM A STOP.

SOME VEHICLES EQUIPPED WITH 4-WHEEL DRIVE EXTENDED CAB AND SHORT BED MAY EXPERIENCE A BUMP OR CLUNK ON STOP OR ACCELERATION.

SOME CUSTOMERS MAY COMMENT THAT THEY ARE UNABLE TO LOWER THE SPARE TIRE.

SOME OWNERS MAY COMMENT ON A SLIPPING TYPE CONDITION AT THE FRONT WHEELS WHILE THE VEHICLE IS IN FOUR WHEEL DRIVE (4WD).

INFORMATION THE SNOWPLOW PREP PACKAGE AVAILABLE FOR 1/2 TON, FOUR-WHEEL DRIVE REGULAR CAB MODELS.

FLEXIBLE SPARE TIRE HOIST TOOL.

NEW FLEXIBLE SPARE TIRE HOIST TOOL AVAILABLE TO ASSIST IN LOWERING/REMOVING SPARE TIRE.

SPARE TIRE IS DIFFERENT SIZE THAN OTHER TIRES.

THE NVG 136 ALL WHEEL DRIVE (AWD) TRANSFER CASE AND THE 236 AND 246 NVG SELECTABLE TRANSFER CASES OPERATING IN THE AUTO...

REVISED WHEEL DRIVE SHAFT NUT TORQUE SPECIFICATION.

RECENT SHIPMENT OF FLEXIBLE SPARE TIRE HOIST TOOL.

SPARE TIRE FLEXIBLE TOOL AVAILABILITY.

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.

GEN III REPLACEMENT FLYWHEEL BOLT HOLES LARGER THAN ORIGINAL PART.

FRONT WHEELS SLIPPING WITH VEHICLE IN FOUR WHEEL DRIVE.

THE NVG 136 ALL WHEEL DRIVE (AWD) TRANSFER CASE AND THE 236 AND 246 NVG SELECTABLE TRANSFER CASE SHUDDER ON TURNS.

SLIPS IN 4-WHEEL DRIVE, NOISE, VIBRATION, LEAKS, HOT ODOR.

TIRE SLOWLY GOES FLAT AND/OR EXCESSIVE WHEEL VIBRATION CAUSED BY BEAD SPLITS (REPLACE WHEELS WITH NEW HEAVY DUTY RIM...

DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE.

SOME VEHICLES WILL NOT MOVE WHEN 4-WHEEL DRIVE IS REQUESTED, NOISE, SHUDDER, POOR PERFORMANCE, TRANSMISSION / TRANSFER...

INFORMATION REGARDING REVISED TRANSMISSION CALIBRATION TO ADDRESS DRIVELINE GROWL OR PROP SHAFT RING NOISE.

SOME CUSTOMERS MAY COMMENT OF A WIDE OPEN THROTTLE 1-2 DOUBLE BUMP AND / OR HARSH UPSHIFT.

This Preliminary Information communication provides information to the technician about vehicles that may have a...

This Preliminary Information communication provides information to the technician about vehicles that have slip in...

This Preliminary Information communication provides information to the technician about the percentage of UV protection...

BUICK/CADILLAC/CHEVROLET/GMC/OLDSMOBILE AND HUMMER: INFORMATION ON PITMAN ARM SHAFT SEAL SERVICE KIT.

GMC: FLUID LEAK FROM TRANSMISSION OIL COOLER LINES DUE TO CORROSION.

ELECTRONIC TRANSFER CASE UNABLE TO COMPLETE SHIFT.

00-01 4L80-E AUTOMATIC TRANSMISSION MAY EXPERIENCE A HARSH TCC APPLY AND/OR DIAGNOSTIC TROUBLE CODE P1870 OR P074.

HARSH TCC APPLY AND OR A DIAGNOSTIC TROUBLE CODE P1870.

DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN.

4L60E, 4L65E FORWARD AND LOW REVERSE WAVED STEEL CLUTCH PLATE APPEARANCE CHANGE.

4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION.

4L80E, 4L85E WHINE NOISE IN FIRST AND SECOND GEAR.

NO 2ND, NO 4TH AND NO REVERSE.

MALFUNCTION INDICATOR LAMP (MIL) IS ON; THE TRANSMISSION IS STUCK IN THIRD GEAR; AND / OR THE INSTRUMENT CLUSTER IS INOPERATIVE.

SOME 2500 HD AND 1500 HD CREW CAB MODELS MAY EXHIBIT A STEERING COLUMN RATTLE OR NOISE ESPECIALLY DURING LOW SPEED PARKING LOT TURNING MANEUVERS.

SUBJECT REGARDING STEERING SHAFT CLUNK CONDITION.

CONCERNS THAT CLUNK NOISE CAN BE HEARD COMING FROM UNDER THE HOOD ALSO FELT IN THE STEERING WHEEL.

CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL AND/OR STEERING COLUMN (REPLACE UPPER INTERMEDIATE STEERING SHAFT [I-SHAFT] ASSEMBLY).

HYDRAULIC PUMP DRIVESHAFT THAT CAN FRACTURE RESULTING IN AN IMMEDIATE LOSS OF HYDRAULIC POWER STEERING ASSIST.

LACK OF STEERING ASSIST OR SHUDDER DURING PARKING LOT TYPE MANEUVERS.

CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL.

SUPPLEMENT TO 00-02-35-003F CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN STEERING WHEEL.

VARIOUS STEERING OR SUSPENSION CONCERNS AFTER GM ACCESSORIES 20 INCH TIRE/WHEEL ASSEMBLIES HAVE BEEN INSTALLED.

INTERMEDIATE STEERING SHAFT SERVICE KIT.

INNER TIE ROD RELEASED FOR SERVICE.

CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL.

CLUNKING NOISE UNDER HOOD AND CAN BE FELT IN THE STEERING WHEEL.

SUBJECT REGARDING REVISED WHEEL SPEED SENSOR REPLACEMENT PROCEDURE.

FRONT SUSPENSION COIL SPRING NOISE.

This informational bulletin provides information on communication with OnStar module after Canadian cellular upgrade.

This informational bulletin provides information on Part Restriction and Ordering Process Information for OnStar Vehicle...

REDUCED STEERING EFFORT (DIAGNOSE/REPLACE STEERING WHEEL POSITION SENSOR).

FUEL AND TEMPERATURE GAUGE INOPERATIVE, LOW FUEL AND BATTERY LIGHT ON, PRNDL INOPERATIVE.

SUPPLEMENT TO 04094 FRONT WHEEL SPEED SENSOR CORROSION.

PRODUCT SAFETY RECALL REGARDING FRONT WHEEL SPEED SENSOR CORROSION.

REPLACEMENT OF CONNECTOR WHEN REPLACING FUEL TANK MODULE/FUEL PUMP MODULE.

4WD INOPERATIVE AND DIAGNOSTIC TROUBLE CODE (DTC) U1026 ATC FUSE OPEN.

DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY.

INFORMATION ON NEW SPARK PLUGS AND GAPPING.

SOME VEHICLES MAY DISPLAY A DIAGNOSTIC TROUBLE CODE OF P0446 (EVAP CANISTER VENT).

EXHAUST MOAN OR VIBRATION AT LOW VEHICLE SPEEDS BETWEEN 900-1200 RPM UNDER LOAD.

SOME VEHICLES MAY EXPERIENCE REPEAT FUEL PUMP FAILURES.

SOME VEHICLES MAY EXHIBIT LEAN HESITATION, SAG OR STUMBLE WHEN COOLANT TEMPERATURE IS BETWEEN -6 AND +20 DEGREES CELSIUS.

GMC: FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL, CAUSING THE LOW FUEL LIGHT TO ILLUMINATE.

SUPPLEMENT TO BULLETIN 99-06-04-047A FOR FUEL SYSTEM CLEANING.

EXHAUST VIBRATION RESONANCE OR MOAN.

EXHAUST MOAN/VIBRATION.

EXHAUST MOAN/VIBRATION.

EXHAUST / MUFFLER HEAT SHIELD RATTLE, POPPING NOISE UNDER VEHICLE.

PICKUP BOX SHEET METAL FRACTURE / DAMAGE WITH AFTERMARKET ACCESSORIES INSTALLED.

THIS IS A PRODUCT UPDATE VME THAT INVOLVES CERTAIN PICK-UP TRUCKS.

SOME CUSTOMERS MAY COMMENT ON A LEAN HESITATION, SAG OR STUMBLE CONDITION PRESENT DURING LIGHT TO MODERATE THROTTLE ACCELERATIONS.

FOG LAMPS INOPERATIVE.

HANDLING CHARACTERISTICS OF VEHICLES WITH 20 INCH WHEEL/TIRE ASSEMBLIES INSTALLED.

INTERMITTENT SERVICE 4WD LIGHT COMES ON WITH DIAGNOSTIC TROUBLE CODE (DTC) C0306 OR C0308 STORED IN TCCM.

SIR LIGHT ON STEADY AFTER BULB TEST AND NO DIAGNOSTIC TROUBLE CODES (DTCS).

ALL FULL SIZE TRUCKS PICK UP BOX SHEET METAL FRACTURE/DAMAGE WITH AFTERMARKET ACCESSORIES INSTALLED.

4L60E/4L65E INTERMITTENT NEUTRAL CONDITION WHILE ACCELERATING FROM A STOP OR WHILE DRIVING.

DAYTIME RUNNING LAMP (DRL) BULB REPLACEMENT.

This technical bulletin provides a procedure to lube the rear leaf springs on vehicles with the condition of a squeak...

SUSPENSION VIBRATION OR FRAME BEAMING AT 40 - 60 MPH.

USE OF CORRECT INSTALLATION PROCEDURE FOR LOOSE HUBCAP ASSEMBLY.

SUSPENSION VIBRATION OR FRAME BEAMING AT 40 -60 MPH.

REPEAT REAR AXLE HUB SEAL LEAK.

SPRING SLAP NOISE FROM THE REAR OF THE GMT 400 SERIES TRUCK.

REAR LEAF SPRING SLAP OR CLUNK NOISE (REPLACE SPRING INSERTS) *TT UPDATED 10/18/07.

REAR SPRING SLAP OR CLUNK NOISE.

SUBJECT REGARDING LOSS OF HVAC SYSTEM MODE AND/OR TEMPERATURE CONTROL.

A CONDITION MAY EXIST WHERE THE CUSTOMER CANNOT CONTROL THE HVAC SYSTEM MODES AND / OR THE TEMPERATURE.

SOME CUSTOMER MAY COMMENT THAT THE WINDOWS DO NOT DEFROST ON A TIMELY BASIS.

LOSS OF HEATING VENTILATION AIR CONDITIONING.

DIAGNOSTIC INFORMATION TO ACCURATELY DIAGNOSE A/C LOW PRESSURE SWITCH USING NEW KENT MOORE SPECIAL TOOL GE-47742.

AIR CONDITIONER (A/C) LOW PRESSURE SWITCH DIAGNOSTIC TOOL.

BLUEHEAT COOLANT HEATER THERMO TOP C.

CLUNK, BUMP OR SQUAWK WHEN VEHICLE COMES TO A COMPLETE STOP OR ACCELERATION FROM COMPLETE STOP.

EATON LOCKING DIFFERENTIAL CHATTER SHUDDER NOISE ON TURNS, EQUIPPED WITH A LOCKING REAR DIFFERENTIAL RPO G80.

SERVICE VME. SUPPLEMENT TO 00-02-35-003L.

CAMPAIGN 02029 UPDATE - CALIBRATION WILL NOT COMPLETE PROGRAMMING.

SUPPLEMENT TO 02029 UPDATE CALIBRATION WILL NOT COMPLETE PROGRAMMING.

SUBJECT REGARDING AN UPCOMING RECALL INVOLVING REFLASHING THE AIRBAG SENSING AND DIAGNOSTIC MOUDLE (SDM).

INFORMATION REGARDING REPLACEMENT OF THE FRONT SEAT BELT RETRACTOR AND BUCKLE USAGE.

THE SEATBELT REPLACEMENT PARTS DO NOT MATCH OR ARE UNABLE TO LATCH TO THE EXISTING BELT.

GM: THERE ARE SEAT BELT PROBLEMS: DIFFICULTY LATCHING AND UNLATCHING BUCKLE.

This Preliminary Information communication provides information to the technician about vehicles that may have an issue...

This Preliminary Information communication provides information to the technician about vehicles that are travelling from Canada to the United States.

TWEETER SPEAKER RATTLE IN FRONT SIDE DOOR(S), TWEETER SPEAKER FALLS OUT OF POSITION.

SOME CUSTOMERS MAY COMMENT ON THE SERVICE 4WD INDICATOR ILLUMINATING WITH DIAGNOSTIC TROUBLE CODE B2725 SET.

SNOW PLOW PREP PACKAGE INFORMATION - SERVICE VME.