1998 Oldsmobile Bravada TSBs

SOME CUSTOMERS MAY COMMENT ON A HARSH 1-2 UPSHIFT AND THE CHECK ENGINE LIGHT OR SERVICE ENGINE SOON INDICATOR IS...

SUBJECT REGARDING RUST IN COOLING SYSTEM, HEATER INOPERATIVE, BLOWS COLD AIR, ENGINE OVERHEATS (FLUSH COOLING SYSTEM).

INFORMATION USED WHEN DIAGNOSING NOISE CONDITIONS SUCH AS ENGINE RATTLE NOISE, SPARK KNOCK AT 2000 - 2500 RPM RANGE,...

SOME CUSTOMERS MAY COMMENT ON ROUGH IDLE AFTER START UP, ESPECIALLY AFTER SETTING OVERNIGHT.

INFORMATION REGARDING HARSH 1-2 UPSHIFT, SERVICE ENGINE SOON, MALFUNCTION INDICATOR LAMP, OR CEL ILLUMINATED, DIAGNOSTIC TROUBLE CODE P1870 SET.

SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR...

SOME CUSTOMERS MAY COMMENT THAT THE SECURITY LAMP ILLUMINATES WHILE DRIVING; ENGINE CRANKS BUT WILL NOT START; AND / OR...

SOME OWNERS WITH VEHICLES BUILT BEFORE JANUARY 15,1999 MAY COMMENT ON A HARSH 1-2 UPSHIFT AND MAY ALSO HAVE A CHECK ENGINE LIGHT.

INFORMATION PERTAINING TO THE NEW CONTROL VALVE BODY, SPACER PLATE AND GASKETS FOR THE 4L60-E AUTOMATIC TRANSMISSION.

SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR...

SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR...

SOME CUSTOMERS MAY COMMENT ON ROUGH IDLE AFTER START UP, AND / OR A SERVICE ENGINE SOON (SES) LIGHT ILLUMINATED.

ROUGH IDLE AFTER START, WHEN VEHICLE HAS SAT OVERNIGHT AND POPPETS STICKING.

SOME CUSTOMERS MAY COMMENT ABOUT THE SERVICE ENGINE SOON LIGHT ILLUMINATING.

SUBJECT ON STEERING LINKAGE IDLER ARM ATTACHING NUT UNDERTORQUED.

CONDITION WITH STEERING LINKAGE IDLER ARM ATTACHING NUT UNDERTORQUED.

FALSE HVAC HISTORY DTC B0408 AND/OR HEATER & A/C TEMPERATURE CONTROL DOOR MOTOR BECOMES INOPERATIVE WHILE USING SCAN TOOL.

ENGINE COOLANT LEAK AT INTAKE GASKET.

RATTLE NOISE IN ENGINE.

RATTLE NOISE IN ENGINE.

ROUGH IDLE AFTER START, AND/OR A SERVICE ENGINE SOON (SES) LIGHT.

SUBJECT REGARDING GENERAL WATERLEAK GUIDE.

CUSTOMERS MAY COMMENT THAT THE SEAT RECLINER HANDLE IS STRIPPED.

INFORMATION REGARDING IMPROVED BUS SEAT DECLINER ASSEMBLIES, THE HANDLE ON THE RECLINER ASSEMBLY IS ATTACHED WITH A...

THIS MESSAGE DISCUSSES DIAGNOSIS AND REPAIR OF TRANSFER CASE SHUTTER.

SUBJECT REGARDING THE NEW RECLINCER ASSEMBLY.

SOME VEHICLES MAY SET A FALSE OBD II WITH DIAGNOSTIC TROUBLE CODE P1404.

PARK/NEUTRAL POSITION SWITCH CONNECTOR CANNOT BE REMOVED.

SOME CUSTOMERS MAY COMMENT ON HARD, NO, OR SLOW START, BACKFIRE OR KICKBACK DURING CRANK / START, GRINDING OR UNUSUAL...

CONCERNS THAT THE DRIVER OR PASSENGER FRONT POWER SEAT FORWARD AND REARWARD FUNCTION IS INOPERATIVE.

SUBJECT ON ON-BOARD DIAGNOSTIC (OBD) SYSTEM IMPROVEMENTS.

TRANSFER CASE VIBRATION (SHUDDER) DURING TIGHT TURNING MANEUVERS AT VEHICLE SPEEDS OF UP TO 5 KM/H (5 MPH) ON DRY PAVEMENT.

CONCERNS WITH DRIVER / PASSENGER SEAT ADJUSTER SWITCH BEZEL AT SEAT WILL NOT STAY FASTENED.

COMMENTS ABOUT A MOAN TYPE NOISE WHEN THE VEHICLE IS OPERATED IN THE AUTO 4WD POSITION AND IS DRIVEN IN DEEP SAND, DEEP SNOW, OR DEEP MUD.

CLUNK NOISE FELT THROUGH THE FLOOR PAN.

NO START WITH DIAGNOSTIC TROUBLE CODE (DTC) P1626 OR P1631.

CLUNK NOISE FELT THROUGH FLOOR PAN.

DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE.

THIS TECHNICAL SERVICE BULLETIN STATES THAT TECHNICIANS MAY EXPERIENCE DIFFICULTY IN REMOVING THE CONNECTORS FROM THE...

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

MALFUNCTION INDICATOR LAMP (MIL) ON, TRANSMISSION STUCK IN THIRD GEAR, INSTRUMENT CLUSTER INOPERATIVE.

A NO REVERSE, NO SECOND GEAR, OR NO FOURTH GEAR CONDITION.

INFORMATION PERTAINING TO NEW TRANSMISSION CALIBRATIONS.

BRIEF INFORMATION REGARDING RUSTY TRANSMISSION FLUID LEVEL INDICATOR.

A CONDITION WITH A RUSTY TRANSMISSION FLUID LEVEL INDICATOR / TRANSMISSION OIL FILLER TUBE.

TECHNICIANS MAY EXPERIENCE DIFFICULTY IN REMOVING THE CONNECTORS FROM THE PARK/NEUTRAL POSITION SWITCH, USUALLY WHEN...

This Preliminary Information communication provides information to the technician about vehicles that have an inaccurate fuel gauge.

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

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

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

TECHNICAL INFORMATION - SOME CUSTOMERS MAY COMMENT THAT THE REAR PORTION OF THE ROOF HAS SOME RUST FORMING.

SOME CUSTOMERS MAY COMMENT THAT THE REAR PORTION OF THE ROOF HAS SOME RUST FORMING.

SUBJECT REGARDING REAR ROOF PERFORATION.

SUBJECT REGARDING REAR ROOF PERFORATION (INSTALL NEW REAR ROOF SECTION) INCLUDING 1995-1997 GMC BLAZER.*JG

INFORMATION REGARDING REAR ROOF PERFORATION.

SUBJECT ON HOOD HINGE RATTLE COMING FROM EITHER OR BOTH FRONT CORNERS OF THE INSTRUMENT PANEL NEAR THE HOOD HINGE AREAS...

CUSTOMER MAY COMMENT THAT THE REARVIEW MIRRORS, POWER DOOR LOCKS AND REAR HATCH DO NOT OPERATE.

SOME CUSTOMERS MAY COMMENT THAT THE BLACK PLASTIC HOUSING AROUND THE OUTSIDE REAR VIEW MIRROR TURNS CHALKY OR IS DULL IN COLOR.

VEHICLES EQUIPPED WITH A SUNROOF BUILT WITHIN CERTAIN VIN BREAKPOINTS MAY HAVE INSUFFICIENT REAR SEAT LIGHTING.

WATER LEAK IN FRONT FLOOR CARPET AREA.

PARTS AVAILABILITY FOR SUNROOF REPAIRS.

SOME CUSTOMERS MAY COMMENT ON AN EXHAUST BOOM / GROAN NOISE IN THE PASSENGER COMPARTMENT.

SUBJECT REGARDING EXHAUST SYSTEM RUMBLE / RATTLE NOISE.

SOME VEHICLES MAY EXHIBIT AN EXHAUST NOISE, RATTLE NOISE AT 550 RPM.

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for...

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for...

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for...

This informational bulletin provides the technician with information on what E85 fuel may due to a non E85 vehicle.

This Preliminary Information communicates to the dealer the process for downloading or updating operating software for...

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

FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL.

INFORMATION ON REPLACING CORRODED TRAILER PRE-WIRE HARNESS AT THE REAR BUMPER.

THE SCREW THAT SECURES THE LEFT AND CENTER INSULATOR PANELS TOGETHER, UNDERNEATH THE I/P ON THE DRIVER'S SIDE MAY PULL...

SOME CUSTOMERS MAY COMMENT ABOUT THE HORN SOUNDING AND A NO START CONDITION DUE TO WATER INTRUSION INTO THE ACCESSORY WIRING JUNCTION BLOCK.

CUSTOMER MAY COMPLAIN ABOUT HORN SOUNDING, NO START DUE TO WATER INTRUSION INTO ACCESSORY WIRING JUNCTION BLOCK.

COMMENTS THAT THE HVAC BLOWER FAN RUNS CONTINUOUSLY WITH IGNITION OFF.

Expanded Availability for Remanufacture and Return (R&R) Electronic Control Modules

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

DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY.

INSTRUMENT CLUSTER PRNDL INOPERATIVE AND OR BATTERY LIGHT ON.

REVISED HEATER / VENT MODULE REPLACEMENT.

CONCERNS WITH INSUFFICIENT REAR SEAT LIGHTING.

SOME CUSTOMERS MAY COMPLAIN THAT THE DAYTIME RUNNING LIGHTS ARE INOPERATIVE.

BRIEF INFORMATION REGARDING INSUFFICIENT REAR SEAT LIGHTING.

CONDITION WITH HEADLAMP BOOT LOOSE.

HIGH INTENSITY DISCHARGE (HID) HEADLAMPS - DISPOSAL INSTRUCTIONS.

DRIVER INFORMATION CENTER (DIC) STAYS IN BULB CHECK.

DAYTIME RUNNING LAMPS (DRLS) TURN OFF TEMPORARILY WHILE THE TURN SIGNALS ARE ACTIVATED.

This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock.

This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock.

This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco Theft Lock.

This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock.

This Preliminary Information communication provides information to the technician on how to unlock radios that are Delco TheftLock.

INFORMATION ON ERROR CODES ON RADIO DISPLAY THEIR CAUSE AND CORRECTIVE ACTION.

SUBJECT REGARDING NECESSARY RESURFACING OF THE PARK BRAKE DRUM.

POP SNAP NOISE IN THE FRONT SUSPENSION WHEN BRAKING.

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

ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS ON VARIOUS MODELS INCLUDING THE 1995 AND 1996 ENVOY.

ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS.

Vehicle Recalls

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

This warranty administration bulletin provides information regarding the field action courtesy transportation policy.

This warranty administration bulletin provides policy information with the field action courtesy transportation policy.

SUBJECT REGARDING OBD II DIAGNOSTIC TROUBLE CODE (DTC) P1404 (REFLASH VCM).

THIS TECHNICAL BULLETIN PROVIDES A PROCEDURE TO REPROGRAM THE MEDIA DISC PLAYER WITH THE LATEST CALIBRATIONS TO CORRECT...

HEAT COMING FROM VENTS WITH HVAC OFF.

REPEAT HVAC ACTUATOR REPLACEMENT.

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

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

SUBJECT ON ACCESSORY DRIVE BELT NOISE DUE TO POWER STEERING PUMP PULLEY MISALIGNMENT.