1998 Chevrolet Lumina TSBs

SOME OWNERS MAY COMMENT ON A REPEAT ENGINE OIL PAN LEAK.

SUBJECT REGARDING REVISED LOWER INTAKE MANIFOLD INSTALLATION.

SOME OWNERS MAY COMMENT ON A TRANSMISSION OIL LEAK.

EXPERIENCING EXCESSIVE ENGINE COOLANT CONSUMPTION, OR AN ENGINE COOLANT LEAK NEAR OR UNDER THE THROTTLE BODY AREA OF THE UPPER INTAKE MANIFOLD.

SUBJECT REGARDING POLYMER SERVICE PISTONS.

OWNERS OF SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60, 4T60-E OR 4T65-E TRANSAXLES MAY COMMENT ON A GRINDING AND...

SOME OWNERS MAY COMMENT ON DRIVEABILITY SYMPTONS OF LONG OR HARD STARTS, CHUGGLE, ROUGH IDLE AND LIGHT OR INTERMITTENT...

SOME OWNERS MAY COMMENT ON A REPEAT ENGINE OIL PAN LEAK.

ENGINE COOLANT CONSUMPTION OR COOLANT LEAK (INSPECT FOR MATERIAL DEGRADATION/REPLACE INTAKE MANIFOLDS) ...

SOME V6 ENGINES MAY, ON A VERY INFREQUENT BASIS, HAVE AN OIL ODOR CONDITION THAT IS GENERALLY ENCOUNTERED AFTER THE...

WIRE HARNESS MAY BE STRETCHED, OR THE PCS MAY NOT BE ORIENTED IN THE SAME POSITION, AFTER INSTALLING A SERVICE REPLACEMENT VALVE BODY ASSEMBLY.

ENGINE INTAKE MANIFOLD COOLANT LEAK.

NEW UPPER INTAKE MANIFOLD AND GASKET KITS.

REVISED PISTON PIN REMOVAL / INSTALLATION PROCEDURE.

A CONDITION MAY EXIST IN WHICH THE FUEL GAUGE READS INCORRECTLY / FLUCTUATES, LOW FUEL CHIME SOUNDS PREMATURELY.

SOME OPERATORS OF VEHICLES EQUIPPED WITH LAND MOBILE COMMUNCATION SYSTEMS, SUCH AS THOSE UTILIZED BY LAW ENFORCEMENT...

SOME CUSTOMERS MAY COMMENT ON THE FOLLOWING CONDITIONS: 1) THE FUEL GAUGE READING INCORRECTLY.

CONDITIONS WITH INACCURATE FUEL GAUGE / FLUCTUATES, PREMATURE LOW FUEL CHIME.

SUBJECT ON 98067-PRODUCT EMISSION CAMPAIGN EMISSION LABEL ERROR.

SOME CUSTOMERS MAY COMMENT THAT THE FUEL GAUGE READS INCORRECTLY / FLUCTUATES, AND THE LOW FUEL CHIME SOUNDS PREMATURELY.

PRODUCT EMISSION CAMPAIGN REGARDING EMISSION LABEL ERROR.

PRODUCT EMISSION CAMPAIGN INFORMATION REGARDING EMISSION LABEL ERROR.

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...

INFORMATION ON SERVICING 4T65-E TRANSAXLE SPACER PLATE AND GASKETS FOR VARIOUS MODELS FROM 1997 THROUGH 2002.

INFORMATION ON SERVICING 4T65E TRANSAXLE SPACER PLATE AND GASKETS.

CONCERNS WITH SLIPS, HARSH UPSHIFT OR GARAGE SHIFTS, LAUNCH SHUDDERS, FLARES, ERRATIC SHIFTS AND INTERMITTENT CONCERNS,...

INFORMATION REGARDING EXTRA CLIPS IN THE 4T65E TRANSMISSION.

This preliminary bulletin provides a way to aid the technician in diagnosing transmission fluid leaking from the trans...

POWER STEERING GEAR LOWER PINION BEARING, SAFETY RECALL 03062.

This informational bulletin provides information for dealers/technicians on Procedures to Unlock Delco Radio with...

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.

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 information regarding the field action courtesy transportation policy.

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

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

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

REVISED FRONT WHEEL SPEED SENSOR REPLACEMENT PROCEDURE.

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

NEW REAR MAIN SEAL AND SPECIAL TOOL FOR INSTALLATION.

SOME VEHICLES EQUIPPED WITH HYDRA-MATIC 3T40, 4T60 OR 4T60-E TRANSXALES MAY COMMENT ON A GRINDING AND / OR GROWLING...

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

INTERMITTENT CHUGGLE OR FISHBITE ON LIGHT ACCELERATION OR A HIGHWAY SPEEDS WITH NO DIAGNOSTIC TROUBLE CODES (DTCS).

NO TCC APPLY, MALFUNCTION INDICATOR LAMP (MIL) ON, TCC SURGE, POSSIBLE P0740, P1870, OR 39 AFTER INSTALLATION OF A REMAN (SRTA) 4T60/4T60E.

SOME VEHICLES MAY EXHIBIT FRONT SUSPENSION SCRUNCH / POPPING TYPE NOISE COMING FROM THE FRONT OF VEHICLE THAT IS...

SOME CUSTOMERS MAY COMMENT THAT THE AIR BAG WARNING LIGHT COMES ON INTERMITTENTLY OR STAYS ON.

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

ABS PUMP RUNNING WHEN NOT NEEDED.