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

Bulletins, newest first
73162000-04-04. Service bulletin. POWER TRAIN:AXLE ASSEMBLY:AXLE SHAFT:SEAL. SOME VEHICLES MAY EXHIBIT AN OIL LEAK FROM THE FRONT AXLE PINION SEAL. *TT
72412000-03-30. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. 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
131762000-03-21. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. INFORMATION REGARDING REAR AXLE WHINE AT HIGHWAY SPEEDS. *MJS
69922000-03-14. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SOME VEHICLES MAY EXHIBIT A WHINE NOISE FROM THE REAR AXLE DURING VARIOUS DRIVE MODES AT HIGHWAY SPEEDS. *TT
9918132000-03-06. Service bulletin. POWER TRAIN. EXPERIENCING AN INOPERATIVE OR INACCURATE ODOMETER / SPEEDOMETER READINGS. *TT
9968871999-12-06. Service bulletin. POWER TRAIN:MANUAL TRANSMISSION; SUSPENSION. SOME 4.0L VEHICLES WITH A4WD MAY EXHIBIT A VIBRATION / PULSATION AT 0-45 MPH ON DRY PAVEMENT UNDER LIGHT TO MODERATE ACCELERATION. *TT
991471999-11-24. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:CONTROL MODULE (TCM/PCM/TECM). INFORMATION ON USING THE SERVICE BAY TECHNICAL SYSTEM (SBTS) AND NEW GENERATION STAR (NGS) TESTER, AND TO UPDATE THE POWERTRAIN CONTROL MODULE (PCM) INFORMATION CHARTS. *TT
9916101999-10-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CONCERNS WITH SLIPPING TRANSMISSION SHIFTS AND / OR DELAYED OR NO TRANSMISSION ENGAGEMENTS MAY OCCUR ON SOME VEHICLES. *TT
129051999-09-08. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SOME VEHICLES MAY EXPERIENCE AXLE WIND UP AND / OR CLUNKING, POPPING, RATCHETING TYPE NOISES WHEN MAKING CORNERING MANEUVERS ON VEHICLES EQUIPPED WITH A FOUR WHEEL DRIVE HI OR LOW RANGE MODE. *TT
64581999-09-03. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SOME VEHICLES WITH 4R44E / 5R55E TRANSMISSIONS MAY EXHIBIT SLIPPING SHIFTS, DELAYED OR NO ENGAGEMENTS. *TT
99461999-09-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION:COOLING UNIT AND LINES. CONCERNS WITH TRANSMISSION FLUID LEAKING AT THE RADIATOR. *TT
58451999-06-04. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. SOME VEHICLES EQUIPPED WITH LIMITED SLIP / TRACTION-LOCK REAR AXLES MAY EXHIBIT A CHATTER NOISE WHILE TURNING. *TT
58141999-06-04. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. SERVICE TIPS FOR CHECKING TRANSMISSION FLUID LEVEL. *TT
55061999-06-03. Service bulletin. POWER TRAIN:AXLE ASSEMBLY. VEHICLE MAY EXHIBIT A HIGH PITCHED SQUEAL / WHISTLE TYPE NOISE FROM THE FRONT END AT SPEEDS FROM 10 MPH TO 40 MPH. *TT
99461999-06-01. Service bulletin. POWER TRAIN:AUTOMATIC TRANSMISSION. CONCERNS WITH TRANSMISSION FLUID LEAKING AT RADIATOR. *TT
99431999-05-11. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE; POWER TRAIN. INFORMATION REGARDING REPROGRAMMING POWERTRAIN CONTROL MODULES (PCMS). *TT

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