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Service bulletins for the 1999 Mercury Mountaineer

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.

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

By type

By component

By trouble code

By topic

Bulletins, newest first
81642000-06-07. Service bulletin. EQUIPMENT. INFORMATION ON 5R55E - 4R55E - 4R44E PUMP ALIGNMENT TOOLS. *TT
81492000-06-07. Service bulletin. EQUIPMENT:MECHANICAL:WRECKER AND WHEEL LIFT DEVICES. SUBJECT REGARDING NEUTRAL TOW INOPERATIVE AFTER GEM REPLACEMENT. *TT
81192000-06-07. Service bulletin. INTERIOR LIGHTING. SOME VEHICLES EQUIPPED WITH 5.0L ENGINE AND ALL WHEEL DRIVE (AWD) TRANSFER CASE MAY EXHIBIT A CONDITION OF 4X4 INDICATORS FLASHING AND MULTIPLE GEM DIAGNOSTIC TROUBLE CODES. *TT
80902000-06-07. Service bulletin. SUSPENSION. FOR VEHICLES EXHIBITING A VIBRATION AT HIGHWAY SPEEDS, ENGINEERING IS CURRENTLY INVESTIGATING THIS ISSUE AND IS LOOKING FOR VEHICLES THAT HAVE BEEN INTO THE DEALERSHIP MORE THAN ONCE FOR THE CONCERN. *TT
80372000-06-07. Service bulletin. SUSPENSION. SOME VEHICLES MAY EXHIBIT A VIBRATION AT HIGHWAY SPEEDS. ENGINEERING IS CURRENTLY INVESTIGATING THIS ISSUE AND IS LOOKING FOR VEHICLES THAT HAVE BEEN INTO DEALERSHIPS MORE THAN ONCE FOR THE CONCERN. *TT
00152000-06-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP. *MJS
135632000-05-18. Service bulletin. AIR BAGS. SOME VEHICLES MAY EXHIBIT AN AIR BAG LAMP ON WITH SIDE AIR BAG DIAGNOSTIC TROUBLE CODES B1994 AND B1998 IN SELF TEST. ENGINEERING HAS RELEASED A ROBUST OVERLAY HARNESS TO INSTALL ON VEHICLES THAT COME IN FOR THIS ISSUE. *TT
135452000-05-18. Service bulletin. VEHICLE SPEED CONTROL:LINKAGES. SOME VEHICLES EQUIPPED WITH 4.0L OHV OR 4.0L SOHC ENGINES MAY EXHIBIT VARIOUS DRIVEABILITY SYMPTOMS DUE TO INJECTOR(S) CONTAMINATION. *TT
135272000-05-18. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES EQUIPPED WITH 4.0L SOHC ENGINES MAY EXHIBIT AN OVERHEAT CONDITION THAT MAY BE ATTRIBUTED TO THE THERMOSTAT. ENGINEERING IS CURRENTLY INVESTIGATING THIS ISSUE AND IS LOOKING FOR THERMOSTATS AND COOLANTS SAMPLES FROM THESE VEHICLES. *TT
135042000-05-18. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL. CONCERNS WITH VEHICLES EXHIBITING AN OIL LEAK FROM THE FRONT AXLE PINION SEAL. ENGINEERING IS CURRENTLY ADDRESSING THIS ISSUE THROUGH THE HIGH MILAGE / TIME-IN-SERVICE CONCERN RESOLUTION PROCESS. *TT
134832000-05-18. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. SOME VEHICLES EQUIPPED WITH REAR LOAD LEVELING SYSTEM MAY EXHIBIT AN AIR SUSPENSION LIGHT ON WITH DIAGNOSTIC TROUBLE CODE C1726 IN SELF TEST. *TT
134822000-05-18. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES MAY EXHIBIT A VIBRATION / GROAN ON ACCELERATION OR TAKE-OFF DUE TO THE REAR TRANSMISSION MOUNT BEING TWISTED AND ALLOWING A GROUND OUT CONDITION TO OCCUR. *TT
134402000-05-16. Service bulletin. STEERING:HYDRAULIC POWER ASSIST SYSTEM. EXPERIENCING VERY LIGHT STEERING VIBRATION / SHIMMY / NIBBLE AT ENGINE IDLE OR LOW SPEEDS (PARKING LOT TYPE MANEUVERS). *TT
134352000-05-16. Service bulletin. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS. EXPERIENCING A POPPING, SNAPPING OR TICKING NOISE FROM THE RIGHT A-PILLAR / UPPER DOOR HINGE AREA WHLE DRIVING. *TT
75362000-05-16. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. SOME VEHICLES MAY EXHIBIT THE LEFT FRONT POWER WINDOW INOPERATIVE. *TT
74942000-05-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). ALL VEHICLES WITH ELECTRONIC SHIFT ON THE FLY TRANSFER CASES WILL DISPLAY CONTACT PLATE PIDS OPPOSITE OF WHAT THE 1999 OR EARLIER WORKSHOP MANUAL INDICATES WHEN USING NGS WITH 15.0 LEVEL OR LATER SOFTWARE. *TT
74702000-05-15. Service bulletin. SUSPENSION:FRONT:SPRINGS:AIR SUSPENSION SYSTEM. SOME VEHICLES EQUIPPED WITH REAR LOAD LEVELING SYSTEM MAY EXHIBIT AN AIR SUSPENSION LIGHT ON WITH DIAGNOSTIC TROUBLE CODE C1726 IN SELF TEST. *TT
74682000-05-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES MAY EXHIBIT A VIBRATION / GROAN ON ACCELERATION OR TAKE OFF.
74402000-05-15. Service bulletin. VEHICLE SPEED CONTROL. THIS BULLETIN STATES THAT WHENEVER THE CLEAN AIR TUBE RETAINING CLAMPS ARE REMOVED FOR ANY REPAIR, PROCEDURES MUST BE FOLLOWED TO INSURE PROPER CLEARANCE BETWEEN THE THROTTLE CAM AND THE CLEAN AIR TUBE RETAINING CLAMP BOLT. *TT
74182000-05-15. Service bulletin. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS. SOME VEHICLES MAY EXHIBIT A POPPING, SNAPPING OR TICKING NOISE FROM THE RIGHT A PILLAR / UPPER DOOR HINGE AREA WHILE DRIVING. *TT
73602000-05-15. Service bulletin. SUSPENSION:FRONT:STABILIZER BAR. SOME VEHICLES MAY EXHIBIT A SQUEAK NOISE FROM THE REAR WHILE DRIVING, ESPECIALLY WHEN GOING BUMPS. *TT
73532000-05-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES MAY EXHIBIT A CONDITION OF NO 4X4 LOW RANGE ENGAGEMENT OR A STUCK IN 4X4 LOW RANGE, WITH NO DIAGNOSTIC TROUBLE CODES STORED IN THE GEM MODULE. *TT
73222000-05-12. Service bulletin. VISIBILITY:DEFROSTER/DEFOGGER/HVAC SYSTEM. SOME VEHICLES BUILT BETWEEN 12/1/1998 AND 8/31/1999 EQUIPPED WITH 5.0L ENGINE MAY EXHIBIT A LACK OF HEAT, EXHAUST SULPHUR SMELL AND / OR MALFUNCTION INDICATOR LAMP ON WITH DIAGNOSTIC TROUBLE CODE P0125. *TT
130262000-05-12. Service bulletin. VEHICLE SPEED CONTROL:LINKAGES. SOME VEHICLES MAY EXHIBIT A HARD START CONDITION DUE TO FUEL SYSTEM PRESSURE BLEED DOWN. *TT
130042000-05-12. Service bulletin. POWER TRAIN:DRIVELINE; SUSPENSION; POWER TRAIN:DRIVELINE:DIFFERENTIAL UNIT. SOME 4.0L VEHICLES WITH A4WD MAY EXHIBIT A VIBRATION / PULSATION FELT FROM THE DRIVELINE IN THE STEERING WHEEL AND FLOORPAN ON ACCELERATION / LIGHT TIP-IN AT 25-35 MPH WHEN IN 4 AUTO MODE. *TT

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