2009 Mercury Mariner Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2009 Mercury Mariner

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2009 Mercury Mariner Problems

Knock/Pop Noise from the Steering Column when Turning

Looseness in the steering shaft and steering shaft coupling U-joint can cause a knocking / popping noise from the steering column when turning. The steering shaft and coupling U-joint will need to be replaced.

Transmission Oil Leaks from Left Side Half Shaft Area

If the transmission oil leaks out of left side half shaft area, it may be from a worn axle shaft seal. The seal can be damaged by a poor surface finish on the axle shaft. The axle shaft and seal should be replaced to correct the problem.

Check Engine Light Illumination

The check engine light may come on due to failure of the Variable Camshaft Timing (VCT) solenoids. The VCT solenoids will need to be replaced if they are the reason the check engine light came on.

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2009 Mercury Mariner Questions

What is the Electronic Throttle Body Extended Coverage Recall? (1 answer)

Field Service Action #13N03

Why would my steering wheel shake when ideling? Also lost power steering. (3 answers)

The shaking is slight and started a week ago. Power steering issue only happened twice and corrected once I turned my car off and back on.

Fuel Pressure Sensor again?!? (2 answers)

A few months back (July) I had to replace my Fuel Pressure Sensor and now my Check Engine light is back on and giving me the SAME CODE! Why does this part keep going out? Is there something else wrong I should be fixing?

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2009 Mercury Mariner Recalls

Power Steering Assist Loss

Due to a software issue that affects operation of the torque sensor, the electric power steering may stop functioning. This would make it difficult to steer the vehicle. Dealers will reprogram the power steering control module and instrument cluster module free of charge to resolve the concern. Dealers will also replace affected electric steering components as necessary upon inspection free of charge.

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2009 Mercury Mariner Reviews

Had the mariner for 7 months now and I am really pleased with it. The V6 has plenty of pep for me and I really like the 30+ miles per gallon. I like the visibility and the head room. Tried a chevy equanaux and could not get in without bumping my head. I had a 03 mariner and it was about the same but not as good gas mileage. I think I will stick with mariners.

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