2005 Mercury Mountaineer Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2005 Mercury Mountaineer

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2005 Mercury Mountaineer Problems

Problems With 5-speed Automatic Transmission are Common

Various problems with the 5-speed automatic transmission were common. These problems can be more common on the 2002 models with build dates before March, 2002. There are many service bulletins describing the diagnoses and repairs, which include fluid leak repairs, transmission software updates, or internal failures requiring a costly repair.

Crack on Lift Gate

A cosmetic crack may develop on the plastic liftgate trim panel. Our technicians tell us the Ford has released a service procedure to replace the applique without damage the the liftgate glass.

Plastic Intake Manifold May Crack Causing Coolant Leak

The composite (plastic) intake manifold may crack near the thermostat housing and cause a coolant leak. Ford released an updated manifold that was reinforced to prevent a recurrence. No recall was issued for this problem but Ford did extend the warranty to seven years on some models from the date of purchase.

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2005 Mercury Mountaineer Questions

Is my all wheel system messed up or something else like trans or transfer case (1 answer)

It pulls left and right with a humming sound anywhere I drive it is an r title and the check advance trac is on but im not sure if it has to do with that or is it my transmission slipping and its really bad once ive driven it for about 10 minutes on until it cools down again

The horn and controls on the steering wheel are not working the airbag light on (1 answer)

Checked all the fuses they are all good. What could the problem be

My truck doesn't go in reverse.... all my other gears work fine. (1 answer)

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2005 Mercury Mountaineer Reviews

For no reason my 2005 mountaineer started spraying oil everytime I stop gas...just got an oil change two weeks ago
Very reliable and nice to look at. Comfortable and quiet. The only problem I had with it was one of the back windows stopped going down. Quickly repaired by the dealer. Hasn't had a problem yet I've had it for a year and a half. I recommend it to anyone. Just if ur going to buy it used completely check and test it out before signing anything.

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