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2005 Mercury Mariner Problems

Knock Noise from Steering When Turning, Going Over Bumps

for the Mercury Mariner

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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Whining From Front While Driving – 20-45 mph

for the Mercury Mariner

A whining from the front while driving may be caused by the front axle shafts. This would be felt between 20 and 45 MPH, and the half shafts can be replaced with revised dampened axles.

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