Question about 2005 Mercury Mountaineer AWD
The mechanic shop said the engine code came back to IAC needed to be replaced. Another mechanic told me you can't replace just an IAC on the 2005 .... so what is the real deal? Is it really more than just replacing an IAC module??
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Posted on Jan 02, 2017
the sensor is on the rear of your engine next to the firewall on the 5.0 looking at the egr valve just to the right of it, has two small bolts holding it on and holding the stamped steel bracket for its up against
Posted on Jun 04, 2009
this is a very very simple procedure. you do not need pics. there is a sensor located at the end of the engine on the far side from the belts. at the top. it has a plug with two wires in it. just remove the two 10mm bolts un hook the plug and reverse the process to reinstall. if you have a factory intake you may have to remove it to access this sensor. just the intake tube.
Posted on Aug 08, 2009
Before you do this you might want to try fresh gear lube. On Ford products they use a synthetic additive in the rear and not in the front 4x4 axle.
The next thing would be to determine if it is a wheel bearing or a pinion bearing. You have to pull the axles and eliminate them as the problem. You might get lucky and not need to do the pinion.
The technical part of shimming the pinion gears with replacing the pinion bearing is about the worst part of the job. You won't know about the gears until you see them. You will need extra shims on hand.
It is a moderate job for two people. If you have all the parts it can be done in a day.
Posted on Aug 23, 2009
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