2003 Mercury Mountaineer Repair and Maintenance
A guide to problems, costs, maintenance and repair for your 2003 Mercury Mountaineer
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2003 Mercury Mountaineer ProblemsVacuum leak from intake manifold O-ring gaskets
The intake manifold O-ring gaskets commonly leak, causing stalling and poor idle quality; the Check Engine Light will illuminate.
A rattling noise from the engine may indicate that the timing chain cassette is worn. Our technicians tell us that installing an updated cassette and timing chain tensioner should correct this concern.
I keep having to replace my front wheel bearings, both sides. I'm luck if I get 6-8 mos, new or used do not matter.
Well because I can't get out from under the warranty, meaning I can't get the part to last as long as its supposed to, I'm basically guaranteed lifetime of the vehicle, replacement bearings and the dealership hates me cuz of it...
I have 2 other friends same make n model...same problem. Why isn't this recalled yet?
2003 Mercury Mountaineer Questionshow do I reset my oil change req. light if it wont display the oil % life left (1 answer)
Every time I try to reset it, it won't display the oil % life left. I press and hold reset and it just goes on to the next step of the system check.
2003 Mercury Mountaineer RecallsFord Recalls 2002-2003 Ford Explorer and Mercury Mountaineer Vehicles for Liftgate Glass
Ford has recalled certain 2002-2003 model year Explorer and Mercury Mountaineer vehicles for possible issues with the liftgate glass strut brackets and glass hinges. On certain vehicles, the liftgate glass strut may come off or the hinge may fracture. This can cause the glass to fall from the liftgate, which may lead to personal injury. Dealers will replace the liftgate glass strut brackets and glass hinges.