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2000 Mercury Mountaineer Problems

Vacuum leak from intake manifold O-ring gaskets

for the Mercury Mountaineer

The intake manifold O-ring gaskets commonly leak, causing stalling and poor idle quality; the Check Engine Light will illuminate.

12 Reports

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Dry Excluder Seals May Cause Squealing in Front Wheels Under 30 MPH

for the Mercury Mountaineer

4wd vehicles may develop a squealing noise coming from the front wheels when driving below 30 mph. This is generally caused by dry excluder seals, lubricating the seals will commonly correct this concern.

10 Reports

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Rough idle when cold due to upper intake manifold gasket leak

for the Mercury Mountaineer

The Check Engine Light will illuminate and the engine will idle roughly when cold. There are updated upper intake manifold gaskets to resolve the problem.

6 Reports

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Heater Stuck on Hottest Setting Due to Broken Heater Blend Door

for the Mercury Mountaineer

A failed heater blend door or actuator can cause the temperature control for the HVAC system to stop working. A clicking sound from the dash area would commonly indicate an actuator fault. If the heater gets stuck on the hottest setting, the heater blend door may be broken requiring replacement of the heater box to repair the issue.

44 Reports

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Rear Wiper Not Working

for the Mercury Mountaineer

The rear wiper may stop working. This could be due to a rear wiper motor that has failed requiring replacement.

15 Reports

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Worn Timing Chain Cassettes May Cause Rattling Noise From Engine

for the Mercury Mountaineer

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.

9 Reports

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