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1998 Chevrolet Blazer

Technical Service Bulletins

There are also 3 Chevrolet recalls » 7 defect investigations » 56 TSBs » for the Chevrolet Blazer.

Please note: The TSB information displayed below are summaries. Unfortunately we do not have access to the full versions. To get full information about a particular TSB, write down the TSB number & contact your local dealer.

ALSO: The TSB numbers are the NHTSA numbers, which are different from the TSB numbers the manufacturers use. The manufacturers don't give out their TSB numbers to us, so if you ask your dealer for more information about a TSB, have them look it up by the issue date or the TSB title.

STEERING:LINKAGES:ARM:IDLER AND ATTACHMENT

• TSB #98005 -- SUBJECT ON STEERING LINKAGE IDLER ARM ATTACHING NUT UNDERTORQUED. *YC (NHTSA ID #600192, FEBRUARY 01 1998)
• TSB #9800598 -- CONDITION WITH STEERING LINKAGE IDLER ARM ATTACHING NUT UNDERTORQUED. *YC (NHTSA ID #600078, FEBRUARY 01 1998)

SUSPENSION:FRONT

• TSB #02015 -- POP SNAP NOISE IN THE FRONT SUSPENSION WHEN BRAKING. *MR (NHTSA ID #10006961, JANUARY 01 2004)
• TSB #3183 -- FRONT AXLE GRIND WHINE NOISE IN 2WD GONE IN 4WD. *EH (NHTSA ID #10010877, no date provided)

SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DRUM

• TSB #270901 -- SUBJECT REGARDING NECESSARY RESURFACING OF THE PARK BRAKE DRUM. *JG (NHTSA ID #626507, SEPTEMBER 27 2001)

SERVICE BRAKES, HYDRAULIC:ANTILOCK

• TSB #020525006 -- ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS. *TT (NHTSA ID #10000062, JANUARY 01 2006)

SERVICE BRAKES, AIR:ANTILOCK

• TSB #020525006A -- ANTILOCK BRAKE (ABS) ACTIVATION AT LOW SPEEDS ON VARIOUS MODELS INCLUDING THE 1995 AND 1996 ENVOY. *TT (NHTSA ID #10000749, DECEMBER 01 2002)

PARKING BRAKE

• TSB #020526001B -- REAR PARKING BRAKE SHOE RETAINING SPRING CLIP SERVICE KIT FOR DRUM-IN-HAT (DIH) EQUIPPED VEHICLES. *TT UPDATE. *TT (NHTSA ID #10006115, JANUARY 01 2005)

ENGINE AND ENGINE COOLING

• TSB #040603002 -- DIAGNOSTIC INFORMATION FOR INTERMITTENT VEHICLE NO CRANK DEAD BATTERY. *EH (NHTSA ID #10012703, FEBRUARY 01 2004)
• TSB #990602012D -- SUBJECT REGARDING RUST IN COOLING SYSTEM, HEATER INOPERATIVE, BLOWS COLD AIR, ENGINE OVERHEATS (FLUSH COOLING SYSTEM). NLM (NHTSA ID #634218, APRIL 01 2002)
• TSB #990602012C -- SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR THE COOLANT RESERVOIR HAS RUST IN IT. *TT (NHTSA ID #623086, JUNE 01 2001)
• TSB #990602012B -- SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR THE COOLANT RESERVOIR HAS RUST IN IT. *TT (NHTSA ID #611277, FEBRUARY 01 2000)
• TSB #990602012A -- SOME CUSTOMERS MAY COMMENT THAT THE HEATER IS INOPERATIVE, BLOWS COLD AIR, ENGINE MAY EXHIBIT AN OVERHEAT CONDITION OR THE COOLANT RESERVOIR HAS RUST IN IT. *TT (NHTSA ID #609717, JANUARY 01 2000)

ENGINE AND ENGINE COOLING:ENGINE

• TSB #030601024A -- RATTLE NOISE IN ENGINE. *TT (NHTSA ID #10004301, MARCH 01 2004)
• TSB #01727 -- 4.3 L35 LU3 RATTLE OR BUZZ NOISE FROM ENGINE. SIT BULLETIN 1457619. *TT (NHTSA ID #10006363, JANUARY 01 2004)
• TSB #030601024 -- RATTLE NOISE IN ENGINE. *TT (NHTSA ID #10004371, AUGUST 01 2003)

ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

• TSB #020605002 -- SOME CUSTOMERS MAY COMMENT ON AN EXHAUST BOOM / GROAN NOISE IN THE PASSENGER COMPARTMENT. *TT (NHTSA ID #634729, MAY 01 2002)
• TSB #311001 -- SOME VEHICLES MAY EXHIBIT AN EXHAUST NOISE, RATTLE NOISE AT 550 RPM. *TT (NHTSA ID #628070, OCTOBER 31 2001)

FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM

• TSB #3046A -- FUEL GAUGE FLUCTUATION IN PARK OR NEUTRAL. *TT (NHTSA ID #10009382, no date provided)

POWER TRAIN

• TSB #01599 -- 4L60E, 4L65E FORWARD AND LOW REVERSE WAVED STEEL CLUTCH PLATE APPEARANCE CHANGE. *TT (NHTSA ID #10007237, JANUARY 01 2004)
• TSB #020421005A -- SLIPS IN 4-WHEEL DRIVE, NOISE, VIBRATION, LEAKS, HOT ODOR. *TT (NHTSA ID #10001110, FEBRUARY 01 2003)
• TSB #990730016A -- DIAGNOSTIC INFORMATION FOR INTERMITTENT TRANSMISSION DOWNSHIFT, SLIP, BUSY/CYCLING TCC OR NOISY COOLING FAN. *TT (NHTSA ID #10007838, OCTOBER 01 2002)
• TSB #020421005 -- SOME VEHICLES WILL NOT MOVE WHEN 4-WHEEL DRIVE IS REQUESTED, NOISE, SHUDDER, POOR PERFORMANCE, TRANSMISSION / TRANSFER CASE SLIPS, TRANSMISSION WILL NOT UPSHIFT, SLIPS IN 4-WHEEL DRIVE. *TT (NHTSA ID #634905, JUNE 01 2002)

POWER TRAIN:AUTOMATIC TRANSMISSION

• TSB #030730056 -- 4L60-E AUTOMATIC TRANSMISSION OIL PUMP FIRST AND SECOND DESIGN IDENTIFICATION. *TT (NHTSA ID #10005566, NOVEMBER 01 2003)

POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT

• TSB #020730024A -- DIAGNOSIS OF CRACKED OR BROKEN TRANSMISSION CASE. *TT 2006 AND PRIOR CARS AND LIGHT DUTY TRUCKS. *TT (NHTSA ID #634999, AUGUST 01 2005)

POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE)

• TSB #3349 -- 4WD INOPERATIVE AND DIAGNOSTIC TROUBLE CODE (DTC) U1026 ATC FUSE OPEN. *TT (NHTSA ID #10014809, no date provided)

POWER TRAIN:DRIVELINE

• TSB #3300 -- 4WD MODELS WITH NOISE, VIBRATION ON DRY PAVEMENT. *EH (NHTSA ID #10013572, no date provided)

ELECTRICAL SYSTEM

• TSB #3031A -- DRIVER INFORMATION CENTER (DIC) STAYS IN BULB CHECK. *TT (NHTSA ID #10009647, JANUARY 01 2004)
• TSB #3130 -- INSTRUMENT CLUSTER PRNDL INOPERATIVE AND OR BATTERY LIGHT ON. *SC (NHTSA ID #10010053, JANUARY 01 2004)
• TSB #010856001A -- SOME CUSTOMERS MAY COMMENT THAT THE SECURITY LAMP ILLUMINATES WHILE DRIVING; ENGINE CRANKS BUT WILL NOT START; AND / OR THE ENGINE STARTS THEN STALLS AND THE SECURITY LAMP IS FLASHING. *TT (NHTSA ID #623034, JUNE 01 2001)
• TSB #3777 -- FUEL AND TEMPERATURE GAUGE INOPERATIVE, LOW FUEL AND BATTERY LIGHT ON, PRNDL INOPERATIVE. *TT (NHTSA ID #10018585, no date provided)

ELECTRICAL SYSTEM:WIRING: REAR COMPARTMENT/TRUNK

• TSB #250202 -- INFORMATION ON REPLACING CORRODED TRAILER PRE-WIRE HARNESS AT THE REAR BUMPER. *TT (NHTSA ID #629824, FEBRUARY 25 2002)

EXTERIOR LIGHTING:HEADLIGHTS

• TSB #990842004 -- CUSTOMERS MAY COMMENT ON INOPERATIVE DAYTIME RUNNNG LAMPS (DRL) ON SOME MODELS BUILT BETWEEN VIN BREAKPOINTS WK247020 - WK258202. *TT (NHTSA ID #606520, JUNE 01 1999)

VISIBILITY:POWER WINDOW DEVICES AND CONTROLS

• TSB #151200 -- CUSTOMER MAY COMMENT THAT THE REARVIEW MIRRORS, POWER DOOR LOCKS AND REAR HATCH DO NOT OPERATE. *TT (NHTSA ID #617784, DECEMBER 15 2000)

VISIBILITY:SUN ROOF ASSEMBLY

• TSB #030867004 -- PARTS AVAILABILITY FOR SUNROOF REPAIRS. *TT (NHTSA ID #10002878, JUNE 01 2003)

STRUCTURE

• TSB #300800 -- SUBJECT REGARDING THE NEW RECLINCER ASSEMBLY. *TT (NHTSA ID #619027, AUGUST 30 2000)

STRUCTURE: FRAME AND MEMBERS:UNDERBODY SHIELDS

• TSB #01136C -- CLUNK NOISE FELT THROUGH FLOOR PAN. *TT (NHTSA ID #10004206, NOVEMBER 18 2003)

STRUCTURE:BODY

• TSB #57 -- WATER LEAK IN FRONT FLOOR CARPET AREA. GM TECH LINK. *TT (NHTSA ID #10016473, JULY 01 2003)
• TSB #010866011C -- TECHNICAL INFORMATION - SOME CUSTOMERS MAY COMMENT THAT THE REAR PORTION OF THE ROOF HAS SOME RUST FORMING. *TT (NHTSA ID #634823, JULY 01 2002)
• TSB #020857004 -- SUBJECT REGARDING GENERAL WATERLEAK GUIDE. *TT (NHTSA ID #634506, JUNE 01 2002)
• TSB #010866011B -- SOME CUSTOMERS MAY COMMENT THAT THE REAR PORTION OF THE ROOF HAS SOME RUST FORMING. *TT (NHTSA ID #629470, FEBRUARY 01 2002)
• TSB #010866016 -- CONCERNS THAT THE REAR PORTION OF THE ROOF HAS SOME RUST FORMING. *TT (NHTSA ID #628852, DECEMBER 01 2001)
• TSB #010866011A -- SUBJECT REGARDING REAR ROOF PERFORATION. *TT (NHTSA ID #628854, DECEMBER 01 2001)
• TSB #010866011 -- INFORMATION REGARDING REAR ROOF PERFORATION. *YH (NHTSA ID #627489, NOVEMBER 01 2001)
• TSB #010866011 -- SUBJECT REGARDING REAR ROOF PERFORATION (INSTALL NEW REAR ROOF SECTION) INCLUDING 1995-1997 GMC BLAZER.*JG (NHTSA ID #628512, NOVEMBER 01 2001)
• TSB #4114 -- CLUNK NOISE FELT THROUGH THE FLOOR PAN. *KB (NHTSA ID #10020462, no date provided)

SEATS

• TSB #220801 -- CUSTOMERS MAY COMMENT THAT THE SEAT RECLINER HANDLE IS STRIPPED. *JG (NHTSA ID #625141, AUGUST 22 2001)

SEATS:FRONT ASSEMBLY:POWER ADJUST

• TSB #040850017 -- POWER SEAT INOPERATIVE FORE/AFT AFTER BEING MOVED ALL THE WAY REARWARD. *TT (NHTSA ID #10011080, SEPTEMBER 01 2004)

INTERIOR LIGHTING

• TSB #98137 -- BRIEF INFORMATION REGARDING INSUFFICIENT REAR SEAT LIGHTING. *TT (NHTSA ID #604216, NOVEMBER 20 1998)
• TSB #98051 -- CONCERNS WITH INSUFFICIENT REAR SEAT LIGHTING. *TT (NHTSA ID #6088752, NOVEMBER 18 1998)
• TSB #98051 -- VEHICLES EQUIPPED WITH A SUNROOF BUILT WITHIN CERTAIN VIN BREAKPOINTS MAY HAVE INSUFFICIENT REAR SEAT LIGHTING. *TT (NHTSA ID #603166, NOVEMBER 01 1998)

EQUIPMENT:ELECTRICAL

• TSB #020138005 -- REVISED HEATER / VENT MODULE REPLACEMENT. *TT (NHTSA ID #10000734, DECEMBER 01 2002)

EQUIPMENT:ELECTRICAL:AIR CONDITIONER

• TSB #3176A -- HEAT COMING FROM VENTS WITH HVAC OFF. *TT (NHTSA ID #10010270, JANUARY 01 2004)

UNKNOWN OR OTHER

• TSB #060601 -- INFORMATION REGARDING IMPROVED BUS SEAT DECLINER ASSEMBLIES, THE HANDLE ON THE RECLINER ASSEMBLY IS ATTACHED WITH A NUMBER 20 TORQUE WITH A SHANK LENGTH OF 20 MILLIMETERS. *SLC (NHTSA ID #623792, JUNE 06 2001)
• TSB #010856001 -- SOME CUSTOMERS MAY COMMENT THAT THE SECURITY LAMP ILLUMINATES WHILE DRIVING; THE SECURITY LAMP MAY BE ON OR OFF; THE SECURITY LAMP IS ILLUMINATED; THE ENGINE CRANKS BUT WILL NOT START AND THE SECURITY LAMP IS FLASHING; AND / OR THE ENGINE S (NHTSA ID #619740, MAY 01 2001)
• TSB #868307 -- THE SCREW THAT SECURES THE LEFT AND CENTER INSULATOR PANELS TOGETHER, UNDERNEATH THE I/P ON THE DRIVER'S SIDE MAY PULL THE ONE PUSH/INSERT NUT OUT OF THE CENTER INSULATOR PANEL CAUSING, THE INSTRUMENT PANEL(I/P) INSULATOR PANEL TO RATTLE. Y (NHTSA ID #609578, JULY 01 1998)