Car Problem Reports

Mercury Mountaineer Worn Timing Chain Cassettes May Cause Rattling Noise From Engine

 
Mercury Mountaineer Problem
14 Reports
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Model Years Affected: 1998, 1999, 2000, 2001, 2002, 2005, 2006

Engines Affected: 4.0L V6, 4.0L V6 SOHC, 4.6L V8, 5.0L V8

Average Mileage: 123,777 mi (66,000 mi - 162,000 mi)

Verified

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.

  • Visitor, , 4.6L V8, 115,000 mi

    timing chain issuesrattling ect.

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  • Visitor, , 5.0L V8, 66,000 mi

    loud tapping noise or ticking from engine. louder as I excellerate but does quite down some as the car warms.

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  • Visitor, , 4.6L V8, 109,000 mi

    Vehicle started making a loud ticking noise. The faster I went the worse it got.My mechanic told me it was timing chain slap, meaning I need a new one.Apparently these engines have plastic parts of some sort and if they break it creates this problem. Now for the verdict, to replace approx. $1800.00 and they do not recommend due to possibly doing damage to other parts, so, a rebuilt engine with a 3 year warranty for $2500.00.Still contemplating.

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  • Visitor, , 4.6L V8, 145,000 mi

    My Mountaineer makes a very high pitched annoying sound when I start it and the noise level increases as I push on the gas pedal and accelerate. I have been so curious as to what causes this and how to fix it. I have taken it into a garage, but they have said they didn't know what it is. Sometimes the noise will subside and I won't hear it for a few days, but typically it is very loud.

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  • Visitor, , 4.0L V6, 142,000 mi

    Constant rattling noise as though a chain is being pulled over a piece of tin.

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  • zehrmacht, , 4.0L V6, 138,000 mi
     Rookie

    rattles on startup, metallic like rattle of a heat sheild.

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