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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.

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By component

By trouble code

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Bulletins, newest first
62022000-11-03. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. ADDRESSING CUSTOMERS CONCERN OF INOPERATIVE POWER WINDOWS. *TT
99-61932000-11-03. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. INFORMATION ON RESETTING THE PASSIVE ANTI-THEFT SYSTEM (PATS). *TT
99-61842000-11-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES MAY EXHIBIT SLIPPING SHIFTS, DELAYED OR NO ENGGEMENTS. *TT
141982000-09-20. Service bulletin. STRUCTURE:BODY:DOOR:HINGE AND ATTACHMENTS. SOME VEHICLES MAY EXHIBIT A SQUEAK NOISE FROM THE FRONT LOWER DOOR HINGE(S) WHEN OPENING OR CLOSING THE DOORS. *TT
140902000-08-07. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. SOME VEHICLES MAY EXHIBIT A HARD START / NO START CONDITION WHEN ATTEMPTING TO START THE VEHICLE. *TT
140612000-07-27. Service bulletin. UNKNOWN OR OTHER. SOME VEHICLES MAY COME IN FOR A MALFUNCTION INDICATOR LAMP (MIL) ON WITH DIAGNOSTIC TROUBLE CODE P0171 AND/OR P0174 IN SELF TEST. **MR
140562000-07-27. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL. SOME VEHICLES MAY EXHIBIT AN OIL LEAK FROM THE FRONT AXLE PINION OIL SEAL AREA. **MR
140482000-07-27. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME VEHICLES MAY EXPERIENCE AN OIL LEAK AT THE REAR CRANKSHAFT AREA AFTER SERVICE. **MR
85122000-07-26. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL. SOME VEHICLES MAY EXHIBIT AN OIL LEAK FROM THE FRONT AXLE PINION OIL SEAL AREA. **MR
84932000-07-26. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME VEHICLES MAY EXPERIENCE AN OIL LEAK AT THE REAR CRANKSHAFT AREA AFTER SERVICE. **MR
81642000-07-26. Service bulletin. UNKNOWN OR OTHER. INFORMATION REGARDING PUMP ALIGNMENT TOOLS. **MR
00832000-07-21. Service bulletin. POWER TRAIN:AXLE ASSEMBLY; SUSPENSION:REAR. SOME VEHICLES EQUIPPED WITH A 5.0L ENGINE MAY EXHIBIT A RUBBING NOISE DURING RIGHT HAND TURNS FROM THE REAR OF THE VEHICLE. **MR
51902000-06-21. Service bulletin. EQUIPMENT. ON SOME VEHICLES BUILT BETWEEN 9/14/98 AND 10/28/98, THE REAR LIFTGATE APPLIQUE LETTERING MAY BE DIFFICULT TO READ. NEW APPLIQUES HAVE NOW BEEN RELEASED WHICH INCORPORATE CHROME LETTERING TO ENHANCE THE VISIBILITY OF THE BRAND NAME. *TT
9851572000-06-20. Service bulletin. TIRES. INFORMATION ON SETTING THE TIRE INFLATION PRESSURE FOR 1991 THROUGH 1999 MODEL YEAR VEHICLES IN THE PRE-DELIVERY PROCESS AND DURING MAINTENANCE INTERVALS. *TT
9851482000-06-20. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SOME VEHICLES EQUIPPED WITH 5.0L ENGINES MAY EXHIBIT AN UPPER ENGINE TAPPING NOISE ON COLD START. *TT
9851332000-06-20. Service bulletin. EQUIPMENT:ELECTRICAL:RADIO/TAPE DECK/CD ETC.. SOME VEHICLES EQUIPPED WITH A DUAL MEDIA (AM/FM/CASS/CD) RADIO MAY EXHIBIT AN AUDIO CONCERN OF NO DISPLAY OR GRAPHICS. *TT
9850882000-06-19. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. RIGHT REAR AIR CONDITIONER COMPRESSOR MOUNTNG BOLT WAS DELETED FROM PRODUCTION FOR THE 1999 3.OL EF1/4 RANGER & 4.0L EXPLORER/MOUNTAINEER VEHICLES. *TT OHV
121542000-06-19. Service bulletin. ELECTRICAL SYSTEM:IGNITION:ANTI-THEFT:CONTROL MODULE. SOME VEHICLES EQUIPPED WITH PATS (SECURILOCK) EXCEPT CERTAIN MODELS NOW HAVE AVAILABILITY OF FLEET KEYS THROUGH ROTUNDA. *MJS
120802000-06-16. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. INFORMATION REGARDING THE RIGHT REAR A/C COMPRESSOR MOUNTING BOLT THAT WAS DELETED FROM PRODUCTION FOR SOME MODELS *MJS
140102000-06-14. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SOME VEHICLES BUILT THROUGH 11/22/99 AND EQUIPPED WITH 4.0L SOHC ENGINE MAY EXHIBIT VARIOUS DRIVEABILITY CONDITIONS THAT LEAD TO IDLE AIR CONTROL (IAC) VALVE REPLACEMENT. *TT
84202000-06-13. Service bulletin. ENGINE AND ENGINE COOLING:EXHAUST SYSTEM. SOME VEHICLES BUILT THROUGH 11/22/99 AND EQUIPPED WITH 4.0L SOHC ENGINE MAY EXHIBIT VARIOUS DRIVEABILITY CONDITIONS THAT LEAD TO IDLE AIR CONTROL (IAC) VALVE REPLACEMENT. *TT
137232000-06-12. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). SOME ALL WHEEL DRIVE VEHICLES MAY EXPERIENCE A LOW SPEED WHINING NOISE FROM THE TRANSFER CASE. *MJS
138572000-06-08. Service bulletin. UNKNOWN OR OTHER. SOME VEHICLES EQUIPPED WITH 5.0L ENGINES AND ALL WHEEL DRIVE (AWD) TRANSFER CASE MAY EXHIBIT A CONDITION OF 4X4 INDICATORS FLASHING AND MULTIPLE GEM DIAGNOSTIC TROUBLE CODES. *TT
138432000-06-08. Service bulletin. SUSPENSION. ENGINEERING IS CURRENTLY INVESTIGATING CONCERNS WITH VEHICLES EXHIBITING A VIBRATION AT HIGHWAY SPEEDS. *TT
82002000-06-08. Service bulletin. VEHICLE SPEED CONTROL:ACCELERATOR PEDAL. SOME VEHICLES WITH 4.0L SOHC ENGINE AND BUILT PRIOR TO 9/21/99 MAY EXHIBIT A VIBRATION OR BUZZ FELT THROUGH THE ACCELERATOR PEDAL WHICH IS MOST NOTICEABLE DURING ACCELERATION UNDER 2000 RPMS. *TT

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