1998 Ford Grand Marquis Service and Repair Manual
This factory service and repair manual for the 1998 Ford Grand Marquis applies to the four-door sedan in Base and Equipado trims, each fitted with the naturally aspirated 4.6L V8 (281 cu in) and its single overhead cams. With one engine across two trims, the manual's procedures, specifications and torque values are written once for the V8 and sedan, and the wiring diagrams and diagnostics describe the shared platform. That leaves a technician with a single set of engine, chassis and body figures to apply to either version of this year's car.
Engines covered
- 4.6L V8 (281 cu in) — SOHC, naturally aspirated, gasoline
Body styles covered
- 4-door sedan
Trims covered
- Base
- Equipado
Known issues on the 1998 Grand Marquis. NHTSA shows no recalls for the 1998 Grand Marquis. Owners have filed three complaints, one each on exterior lighting, steering and the air bags, which spreads the record thin across three unrelated systems. The manual's wiring diagrams and diagnostics cover the lighting and air bag circuits, and its steering procedures, specifications and torque values address the third area on this 4.6L V8 sedan.
SOME VEHICLES MAY EXHIBIT A HARD START/LONG CRANK, COLD START STALL, COLD ROUGH IDLE CONCERN. *MJS
INFORMATION REGARDING TSB 98-5A-12 (TRANSAXLE/TRANSMISSION/TRANSFER CASE-VEHICLES TOWED BEHIND RECREATIONAL VEHICLES-RECOMMENDED GUIDELINES) DOES NOT LIST TOWING INFORMATION FOR CERTAIN MODEL VEHICLES. *MJS
SOME VEHICLES WITH 4R70W TRANSMISSIONS BUILT FROM 4/16/98 THROUGH 10/30/98 MAY EXHIBIT A LEAK FROM THE VENT AREA OF THE TRANSMISSION. *MJS
SOME VEHICLES MAY EXHIBIT A HESITATION ON HARD ACCELERATION OR LACKS POWER ON ACCELERATION. *MJS
SOME VEHICLES EQUIPPED WITH PATS (SECURILOCK) EXCEPT CERTAIN MODELS NOW HAVE AVAILABILITY OF FLEET KEYS THROUGH ROTUNDA. *MJS
SOME 4.6L VEHICLES EQUIPPED WITH A 4R70W TRANSMISSION, MAY EXPERIENCE A HARSH REVERSE ENGAGEMENT. *MJS
SOME VEHICES MAY EXHIBIT A POPPING/TICKING NOISE WHEN THE CAR IS SHIFTED FROM REVERSE TO FORWARD GEAR. *MJS
SOME VEHICLES EQUIPPED WITH A KEYLESS ENTRY SYSTEM, MAY EXHIBIT A CONDITION WHERE ALL THE KEYLESS ENTRY FUNCTIONS ARE INOPERATIVE, INCLUDES REMOTE KEY FOB'S , POWER DOOR LOCKS, EXPRESS DOWN WINDOW AND REMOTE TRUNK RELEASE, VEHICLES BUILT BE
Showing the 8 most recent of 12 technical service bulletins on file with NHTSA.
HEADLIGHT LENSES ARE FADING/DISCOLORATION, CAUSING POOR VISIBILITY WHEN HEADLIGHTS ARE USED DURING NIGHT DRIVING. FEEL FREE TO PROVIDE ANY FURTHER INFORMATION ON THIS MATTER.*AK
WHEN MAKING HARD TURNS AT LOW SPEEDS, CONSUMER HEARS A LOUD METAL ON METAL POPPING SOUND THAT COMES FROM THE FRONT WHEEL WELL AREA, DEALER INFORMED CONSUMER THAT THE STEERING GEAR
Showing the 2 most serious of 3 complaints filed with NHTSA.
