WenmarOpen by Wenmar Pro

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

Only bulletins with component: Transmission and driveline are shown. Show all

Bulletins, newest first
135052000-11-29. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:LEVER AND LINKAGE:COLUMN SHIFT. ALL 4X4 VEHICLES WITH ELECTRONIC SHIFT ONTHE FLY TRANSFER CASES WILL DISPLAY CONTACT PLATE PIDS OPPOSITE OF THE 1999 OR EARLIER WORKSHOP MANUAL INDICATES WHEN USING NGS WITH 15.0 LEVEL OR LATER SOFTWARE. *TT
134042000-11-27. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL. SOME 4X4 VEHICLES MAY EXHIBIT AN OIL LEAK FROM THE FRONT AXLE PINION SEAL. *TT
133152000-11-27. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SOME VEHICLES EQUIPPED WITH 5.0L ENGINES AND 3.73:1 RATIO / 8.8 INCH RING GEAR REAR AXLES MAY EXHIBIT A WHINE NOISE DURING VARIOUS DRIVE MODES AT SPEEDS BETWEEN 45 TO 65 MPH. *TT
128672000-11-17. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES EQUIPPED WITH 4R44E OR 5R55E TRANSMISSION MAY EXHIBIT SLIPPING SHIFTS, DELAYED OR NO ENGAGEMENTS. *TT
131122000-11-16. Service bulletin. POWER TRAIN:TRANSFER CASE (4-WHEEL DRIVE). VIBRATION ON LIGHT TO MODERATE ACCELERATION AT 0 - 45 MPH ON A4WD VEHICLES. *TT
130912000-11-16. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SOME VEHICLES WITH AUTOMATIC 4 WHEEL DRIVE (A4WD) MAY EXHIBIT MULTIPLE GENERIC ELECTRONIC MODULE (GEM) FUNCTIONAL CONCERNS (I.E., INOPERATIVE ONE TOUCH DOWN, CHIME, 4X4 SHIFT MOTOR, ETC.). *TT
125212000-11-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. VEHICLES WITH LIMITED SLIP / TRACTION-LOK REAR AXLES MAY EXHIBIT A CHATTER NOISE WHILE TURNING. *TT
125122000-11-14. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION. BRIEF INFORMATION ON CHECKING TRANSMISSION FLUID LEVEL. *T
60322000-11-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SOME VEHICLES MAY EXHIBIT A HIGH PITCHED SQUEAL OR WHISTLE TYPE NOISE FROM THE FRONT END AT SPEEDS FROM 10 MPH TO 40 MPH. *TT
127042000-11-09. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SUBJECT REGARDING ALL VEHICLES REQUIRES A PARAMETER RESET TO BE PERFORMED ON THE PASSIVE ANTI-THEFT SYSTEM MODULE (PATS / VIC / HEC) WHEN THE POWERTRAIN CONTROL MODULE (PCM) IS REPLACED. *TT
68442000-11-08. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). SOME VEHICLES WITH AUTOMATIC 4 WHEEL DRIVE (A4WD) MAY EXHIBIT MULTIPLE GENERIC ELECTRONIC MODULE (GEM) FUNCTION CONCERNS SUCH AS INOPERATIVE ON TOUCH DOWN, CHIME, 4X4 SHIFT MOTOR, ETC. *TT
128432000-11-08. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SOME 4X4 VEHICLES MAY EXHIBIT A HIGH PITCHED SQUEAL OR WHISTLE TYPE NOISE FROM THE FRONT END AT SPEEDS FROM 10 MPH TO 40 MPH. *TT
99-61842000-11-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES MAY EXHIBIT SLIPPING SHIFTS, DELAYED OR NO ENGGEMENTS. *TT
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
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
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
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
00152000-06-06. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. INFORMATION REGARDING THE NEW TRANSMISSION COOLER FLUSHER- SERVICE TIP. *MJS
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
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
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
74682000-05-15. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES MAY EXHIBIT A VIBRATION / GROAN ON ACCELERATION OR TAKE OFF.
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
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
134122000-04-06. 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 (DTC) DIAGNOSTIC TROUBLE CODE STORED IN THE GEM. *TT

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