2006 Mercury Mountaineer Service and Repair Manual
The 2006 Mercury Mountaineer Service and Repair Manual is a practical, workshop-ready reference for maintenance, diagnostics, and repairs. Use it to troubleshoot symptoms, follow step-by-step procedures, verify specifications, and confirm wiring and connector locations before replacing parts.
Ideal for technicians and DIY owners, it supports everything from routine service to deeper mechanical and electrical work—including drivability, no-start, warning lights, overheating, brake and suspension issues, HVAC faults, and circuit testing.
Trims covered
- Convenience Sport Utility 4-Door
- Luxury Sport Utility 4-Door
- Premier Sport Utility 4-Door
Engines covered
- 4.0L 245Cu. In. V6 GAS SOHC Naturally Aspirated
- 4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated
What’s inside
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
Why this manual matters
- Faster diagnostics with system-based troubleshooting and wiring diagrams
- Clear procedures and reference sections to reduce guesswork and rework
- Helpful for maintenance planning and verifying parts/specs before repairs
ON CERTAIN TRUCKS, PASSENGER CARS AND SPORT UTILITY VEHICLES, THE WINDSHIELD WIPER MOTOR MAY HAVE BEEN PRODUCED WITHOUT GREASE BEING APPLIED TO THE OUTPUT SHAFT GEAR.
AFTER A PERIOD OF CONTINUOUS USE ON THE HIGH SPEED SETTING, LACK OF GREASE ON THE OUTPUT SHAFT GEAR
DEALERS WILL INSPECT THE WIPER MOTOR FOR THE PRESENCE OF GREASE AND GREASE THE WIPER MOTOR GEARS IF
When performing any transmission fluid changes or topoffs involving MERCON SP, MERCON LV has replaced all versions of MERCON SP and can be used going forward. Mixing MERCON LV and MERCON SP in the same transmission is acceptable. After 30-J
The Powertrain Control/Emissions Diagnosis (PC/ED) manual has been revised for diagnosing electronic throttle bodies (ETBs). The ETC_ACT and ETC_DSD PIDs should not used to diagnose possible ETB concerns. The IDS has a limited refresh rate
FORD/MERCURY: TO PREVENT HARNESS DAMAGE, ON SOME VEHICLES, RESULTING IN CONTACT WITH TIRE OR SUSPENSION COMPONENTS, PROPER ROUTING OF WIRING HARNESS FOR WHEEL SPEED SENSOR IS KEY. 2006-2010 EXPLORER, MOUNTAINEER, EXPLORER SPORT TRAC. *PE
FORD/LINCOLN/MERCURY: IF BATTERY WAS DISCONNECTED OR DEAD, VEHICLES/TRUCKS MAY EXPERIENCE HARD STARTS AND ENGINE IDLE RPM FLUCTUATION AND EXHIBIT DIAGNOSTIC TROUBLE CODES (DTCS) P0505, P0506, P2111 AND P2112. *PE
FORD/MERCURY: SOME VEHICLES EQUIPPED WITH 6R60 TRANSMISSIONS MAY EXHIBIT VARIOUS TRANSMISSION PERFORMANCE ISSUES. WHEN COMPARED TO OTHER TRANSMISSIONS, SOME OF THE SHIFT CHARACTERISTICS ARE DIFFERENT THAN PREVIOUS MODELS DUE TO THE 100% SYN
FORD/MERCURY/LINCOLN: VEHICLES MAY EXHIBIT ONE OR MORE OF THE FOLLOWING SYMPTOMS: DRIVE AWAY HESITATION, LOSS OF RPM ON DECELERATION, DIFFICULTY STARTING, AND/OR IDLE RPM LESS THAN DESIRED. THE F53 MOTORHOME CHASSIS IS INCLUDED. *PE
FORD: SOME VEHICLES MAY EXHIBIT OIL SEPARATION FROM THE INTERNAL LUBE FOUND IN THE UNITIZED CARTRIDGE SEAL. OIL SEPARATION APPEARS TO BE AND IS OFTEN MISDIAGNOSED, AS AN AXLE LUBE LEAK. *PE
FORD/MERCURY: 4.0L/4.6L HARD START/ROUGH RUNNING; AFTER LONG HOT SOAK/DIP IN RPM WHEN COMING TO A STOP; BUILT ON OR BEFORE 4/2/08. MAY EXHIBIT A DIP IN RPM BELOW NORMAL IDLE LEVEL OF 600 RPM ON DECELERATION. *PE
Showing the 8 most recent of 33 technical service bulletins on file with NHTSA.
2006 MERCURY MOUNTAINEER, BLEW A TIRE, THEN WENT OFF THE RIGHT SIDE OF THE ROAD STRUCK 3 BRIDGE PILLARS AND THEN JACK KNIFED, COMING TO REST IN THE MEDIAN. *BF (OHIO TRAFFIC CRASH REPORT # 10-0245
TL* THE CONTACT OWNS A 2006 MERCURY MOUNTAINEER. WHILE DRIVING AT 10 MPH, ANOTHER VEHICLE CRASHED INTO THE FRONT DRIVER SIDE OF THE CONTACT'S VEHICLE. THE CONTACT'S VEHICLE WAS PUSHED INTO A TELEPHONE
MY CAR HAS HAD A CONTINUING PROBLEM WITH THE TRANSMISSION. IT SHIFTS ROUGHLY AND LURCHES WHEN BEGINNING TO MOVE. FOR EXAMPLE, WHEN STOPPED AT A STOPLIGHT, AND THEN BEGINNING TO DRIVE, IT WILL LURCH,
TL*THE CONTACT RENTED A 2006 MERCURY MOUNTAINEER. WHILE MAKING A LEFT TURN AT APPROXIMATELY 5-10 MPH, THE CONTACT APPLIED TOO MUCH PRESSURE TO THE ACCELERATOR PEDAL AND THE VEHICLE SPED FORWARD. THE
TL*THE CONTACT RENTED A 2006 MERCURY MOUNTAINEER. WHILE MAKING A LEFT TURN AT APPROXIMATELY 5-10 MPH, THE CONTACT APPLIED TOO MUCH PRESSURE TO THE ACCELERATOR PEDAL AND THE VEHICLE SPED FORWARD. THE
Showing the 5 most serious of 153 complaints filed with NHTSA.
