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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
99129421999-12-07. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER; EXTERIOR LIGHTING:TURN SIGNAL:SWITCH. CONCERNS WITH UNCOMMANDED FRONT WIPER FUNCTION ACTIVATING WITHOUT COMMAND. *TT
99127031999-12-06. Service bulletin. VISIBILITY:POWER WINDOW DEVICES AND CONTROLS. CUSTOMER MAY COMPLAIN THAT THE POWER WINDOW(S) MAY BECOME INOPERATIVE. *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
9968741999-12-06. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE. SUBJECT PERTAINING TO THE SBDS RELATIVE CAM TIMING TEST WHICH HAS BEEN TEMPORARILY REMOVED FROM USE ON SOME VEHICLES DUE TO NOISE CONCERNS. *TT
9968681999-12-06. Service bulletin. STRUCTURE:BODY:DOOR. INFORMATION ON VEHICLES EXHIBITING A "NO 2-STEP UNLOCK" OR A FALSE DIAGNOSTIC TROUBLE CODE B1834 (DOOR UNLOCK DISARM OUTPUT - CIR) STORED IN MEMORY. *TT
9968431999-12-03. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. INFORMATION PERTAINING TO VEHICLES EQUIPPED WITH MANUAL A/C CONTROLS BUILT BETWEEN 7/26/99 THROUGH 8/5/99 MAY HAVE A/C CONTROL KNOBS THAT HAVE BEEN SCUFFED, SCRATCHED OR DAMAGED ON THE OUTER SURFACES DURING ASSEMBLY. *TT
9968361999-12-03. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. SUBJECT REGARDING VEHICLES EXHIBITING AN ABS LAMP ON WITH DIAGNOSTIC TROUBLE CODE (DTC) B1676 IN SELF TEST. *TT
9968041999-12-03. Service bulletin. VISIBILITY:REARVIEW MIRRORS/DEVICES. CONCERNS WITH OUTSIDE PASSENGER OR DRIVER SIDE MIRROR SLIGHTLY FULTTERING / SHAKING AT HIGHWAY SPEEDS. *TT
9967961999-12-03. Service bulletin. ELECTRICAL SYSTEM:WIRING:FUSES AND CIRCUIT BREAKERS. SOME VEHICLES MAY EXHIBIT A CONDITION WITH FUSE #18 IN THE FUSE JUNCTION PANEL INTERMITTENTLY GOING OPEN. *TT
9967841999-12-02. Service bulletin. SUSPENSION. ENGINEERING IS CURRENTLY INVESTIGATING VEHICLES WITH A4WD EXHIBITING A VIBRATION / MOAN AT HIGHWAY SPEEDS. *TT
9967771999-12-02. Service bulletin. STEERING:HYDRAULIC POWER ASSIST:POWER STEERING FLUID. EXHIBITING A POWER STEERING FLUID LEAK FROM THE STEERING GEAR BOOT(S). *TT
9967691999-12-02. Service bulletin. UNKNOWN OR OTHER. CONCERNS WITH VEHICLES EQUIPPED WITH 4.0L SOHC ENGINE EXHIBITING THE MALFUNCTION INDICATOR LAMP (MIL) 'ON' AND DIAGNOSTIC TROUBLE CODE (DTC) P0161 STORED. *TT
991561999-12-01. Service bulletin. EQUIPMENT:APPLIANCE:AIR CONDITIONER. SOME VEHICLES MAY EXHIBIT A BURNING ODOR OR SMOKE, AND / OR RUSTLING NOISE OCCURING WHEN THE BLOWER MOTOR IS RUNNING IF LEAVES OR FOREIGN MATERIAL ENTERS THE BLOWER CASE. *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
991421999-11-24. Service bulletin. UNKNOWN OR OTHER. VEHICLES WITH A4WD TRANSMISSION AND 4.0L ENGINE MAY HAVE THE 4X4 INDICATOR LAMPS FLASHING. *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
99127851999-09-13. Service bulletin. ELECTRICAL SYSTEM:IGNITION:MODULE. SOME VEHICLES MAY EXHIBIT MULTIPLE GENERIC ELECTRONIC MODULE (GEM) FUNCTIONAL CONCERNS. *TT
9960841999-09-08. Service bulletin. AIR BAGS:FRONTAL:SENSOR/CONTROL MODULE-INACTIVE; AIR BAGS. EXHIBITING AIR BAG LAMP ON WITH DIAGNOSTIC TROUBLE CODE (DTC) B1994 AND / OR B1998. *TT
9951571999-09-08. Service bulletin. TIRES. INFORMATION ON MAINTAINING TIRE PRESSURE. *TT
129091999-09-08. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. CUSTOMERS MAY COMPLAIN OF FRONT WINDSHIELD WIPER ACTIVATION WITHOUT COMMAND. *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
129031999-09-08. Service bulletin. ENGINE AND ENGINE COOLING:ENGINE:GASOLINE. CONCERNS WITH OIL LEAK OF THE ENGINE BLOCK AT THE OIL PRESSURE SWITCH BOSS. TT
129021999-09-08. Service bulletin. SERVICE BRAKES, HYDRAULIC:ANTILOCK/TRACTION CONTROL/ELECTRONIC LIMITED SLIP:ABS WARNING LIGHT. VEHICLES MAY EXHIBIT AN ANTI-LOCK BRAKE SYSTEM (ABS) LIGHT ON WITH DIAGNOSTIC TROUBLE CODE (DTC) B1676. *TT
128261999-09-07. Service bulletin. VISIBILITY:WINDSHIELD WIPER/WASHER. EXPERIENCING FRONT WIPERS ACTIVATION WITHOUT COMMAND. *TT
128241999-09-07. Service bulletin. ELECTRICAL SYSTEM. CONCERNS WITH MULTIPLE GENERIC ELECTRONIC MODULE (GEM) FUNCTIONAL CONCERNS (I.E., INOPERATIVE ONE TOUCH DOWN, CHIME, 4X4 SHIFT MOTOR, ETC.) *TT

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