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Service bulletins for the 1991 Mercury Topaz

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.

38 on file from NHTSA, as of 2026-10-19.

By type

By component

Bulletins, newest first
962461997-06-17. Service bulletin. ELECTRICAL SYSTEM:WIRING. WIRING - ELECTRICAL DIODE IDENTIFICATION AND SERVICE REPLACEMENTS. *TW
952121996-04-25. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP. THE USE OF PETROLEUM-BASED GREASE AS A LUBRICANT IN SERVICING DISC BRAKES IS NO LONGER ACCEPTABLE BECAUSE IT MAY BE INCOMPATIBLE WITH THE RUBBER MATERIAL USED IN THE DISC BRAKE SYSTEM. IF PETROLEUM-BASED GREASE IS USED TO LUBRICATE ANY PART OF THE DISC BRAKE SYSTEM, IT COULD CAUSE RUBBER PARTS TO SWELL IF LUBRICANT CONTACTS THE RUBBER MATERIAL.
ONP95B771996-04-25. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL:GAS RECIRCULATION VALVE (EGR VALVE). CERTAIN 1989 MODEL TEMPO & TOPAZ CARS EQUIPPED W/ 2.3L HSC ENGINES BUILT FROM 5/31/89 AT KANSAS CITY & 6/22/89 AT OAKVILLE THROUGH THE END OF THE 1989 MODEL YEAR AND ALL 1990 THROUGH 1994 TEMPO & TOPAZ CARS EQUIPPED WITH 2.3L HSC ENGINES THAT ARE CURRENTLY REGISTERED IN THE FOLLOWING STATES: AK, MT, ND, MN, WI, MI (UPPER PENINSULA), NY, ME, VT, NH. THE POSITIVE CRANKCASE VENTILATION (PCV) SYSTEM MAY FREEZE CAUSING THE CRANKCASE TO PRESSURIZE WHICH COULD FORCE OIL OUT OF THE CRANKCASE THROUGH THE DIPSTICK TUBE OR PAST SOME OTHER GASKET OR SEAL OF THE ENGINE.
951531996-04-25. Service bulletin. ENGINE AND ENGINE COOLING:COOLING SYSTEM:RADIATOR ASSEMBLY. TEMPERATURE GAUGE - FLUCTUATING AND /OR INACCURATE HIGH READINGS. *SD
95621995-11-01. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC. UNKNOWN
95821995-11-01. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR; ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. A REVISED SERVICE WINDSHIELD WIPER MOTOR IS NOW AVAILABLE. *TW
BC24719505031995-11-01. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM:FAN/MOTOR. BLOWER MOTOR CHIRP OR SQUEAK FROM BLOWER MOTOR AT LOW SPEEDS. *TW
95621995-11-01. Service bulletin. SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC. ROUGHNESS CONCERN DURING BRAKE APPLICATION. *TW
95461995-11-01. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER:MOTOR. WIPER MOTOR REPLACEMENT - UPGRADED SERVICE KITS. *TW
95151995-03-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. DELAYED AND/OR INTERMITTENT NO UPSHIFT OF 1-2 GEAR. *TW
BC87749412011995-01-10. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. NEW REVISED CLUTCH SEALS TO CORRECT A NO REVERSE IN EXTREME COLD WEATHER CONDITIONS. *TW
BC03919412011995-01-10. Service bulletin. VEHICLE SPEED CONTROL. THE TV PLUNGER VALVE POSITION MAY BE INCORRECT CAUSING VEHICLES TO HAVE AN INTERMITTENT NO 1-2 UPSHIFT PROBLEM OR COLD/HARD ACCELERATOR PEDAL EFFORT. *TW
942481995-01-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. VEHICLES MAY EXHIBIT THE LACK OF REVERSE IN EXTREME COLD CONDITIONS. *TW

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