2008 Mercury Mariner Repair and Maintenance

A guide to problems, costs, maintenance and repair for your 2008 Mercury Mariner

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2008 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.

Knock Noise from Steering When Turning, Going Over Bumps

A defective power steering return line can cause a knocking noise when turning or going over bumps, especially when the engine has reached normal operating temperature. The power steering return line should be replaced.

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2008 Mercury Mariner Recalls

Shift Lever Disengages From Transmission

For a vehicle that has had a remanufactured Ford automatic transmission installed, the shift lever bolt may be loose, allowing disengagement of the shift lever from the transmission. Dealers will inspect the transmission and either tighten the shift lever bolt or replace the shift lever assembly free of charge to resolve the concern.

Hybrid System May Overheat And Cause Stalling

The coolant pump for the hybrid system may fail, resulting in the hybrid system shutting down, and the vehicle losing power. Dealers will inspect and replace the original motor electronics coolant pump free of charge to correct the concern.

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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2008 Mercury Mariner Reviews

2008 Mercury Mariner - I have had my car for 6 years, over 108,000 miles and have never had a single problem with it. It still rides great. I have never had to have the breaks replaced, not even the battery. Nothing leaks and the Sewell Ford dealership in Odessa, TX has the best service of any dealership I have ever used. They are the very best.
We bought this car new & purchased the premium care warantee @ the same time. Good thing we did. @ ~16K we had to have the tie rod ends & the heater core replaced. Now @ ~40K we have to replace the brake rotors because of excessive corrosion. The electrical system goes bright/dim regularly & has ever sinse we bought it. If you need to rely on your car & do not want your wife or kids starnd...
I bought my 2008 Mariner new off the showroom floor and have 118,000 miles on it. My transmission started slipping at 48,000 miles. It turned out there was a clip that needed to be replaced (covered under warranty). I started getting a lot of road noise in the car around 80K miles. Some of the rubber seal pieces are coming off causing me to hear air sounds when driving. The paint started p...

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