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The ABS sensor on a 2004 Mercury Mountaineer with AWD is in the front wheel bearing hub assembly. To access this sensor you must remove the wheel and tire, then remove the brake caliper and rotor. The sensor is attached to the hub assembly by a small socket head cap screw. The end is plastic and the wire is routed allong the brake line and attached with various wire looms. Be carefull when removing the sensor. Often the plastic is brittle and will break, making the remaining part quite difficult to remove. Often an ABS light on is an indication of a failing wheel bearing. Basically, if this is the case, replace both bearings and both sensors. If one is failing, the other will go bad within the next few thousand miles. Diagnosing a bad sensor is a 50% chance on getting the right one.
What else can I help you with?
Where is the speedometer sensor on a Mercury Mountaineer?
where is the location of the vehicle speedometer sensor on a 99 Mercury Mountaineer
How do you replace vehicle speed sensor on Mercury Mountaineer?
where is the speed sensor on 2002 mercury mountaineer
How do you change the speedometer cable on a 1997 Mercury Mountaineer?
There is no Cable it is a speed sensor on the transmission
Where is the oxygen sensor on a 1996 mercury mountaineer?
The first model year of the Mercury Mountaineer was 1997
Where is the O2 sensor for bank 1 sensor 1 for a 2000 mercury mountaineer?
The oxygen sensor for bank 1 sensor 1 for a 2000 mercury mountaineer is on the cylinder #1 side.
Where is bank 2 sensor 2 on a mercury mountaineer?
Bank 2 is the drivers side of the engine in your Mercury Mountaineer Sensor 2 is in the exhaust after the catalytic converter
Where is the 1998 Mercury Mountaineer speed sensor?
on the transmission
Where is the oxygen sensor 2 bank 2 on a 2002 Mercury Mountaineer?
Bank 2 is the drivers side of the engine in a 2002 Mercury Mountaineer Sensor 2 is after the catalytic converter ( downstream )
Where are the oxygen sensors bank 1 sensor 1 in a 2002 mercury mountaineer?
Bank 1 is the passenger side of the engine in your Mercury Mountaineer Sensor 1 would be close to the engine before the exhaust enters the catalytic converter ( upstream sensor )
Where is bank 2 sensor 2 located on 1997 mercury mountaineer v8 5.0 all wheel drive?
Bank 2 is the drivers side of the engine in a Mercury Mountaineer Sensor 2 is in the exhaust after the catalytic converter ( downstream )
Where is oxygen sensor bank 1 sensor 2 for mercuery mountaineer 2003?
Bank 1 is the passenger side of the engine in a Mercury Mountaineer ( V6 + V8 ) Sensor 2 is after the catalytic converter ( downstream )
Where is the bank 2 oxygen sensor 1 2004 mercury mountaineer?
Bank 2 is the drivers side of the engine in your Mercury Mountaineer ( V6 + V8 ) Sensor 1 is in the exhaust close to the engine before the exhaust enters the catalytic converter
