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Old 06-20-2002, 11:25 PM
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Join Date: Aug 2000
Location: Shelton, WA
Posts: 107
Question Weird sound from drive train

Lately I have noticed a somewhat medium pitched moan that seems to be originating at the left rear corner of the car. It seems to do it while accelerating from either a stop or near stop, and only seems to happen while turning right or sometimes driving straight ahead.

I only get to drive the car about once a week. My 17 year old son is the main driver. I have asked him to pay attention to the sound, but you know how some teenagers can be. I will try to take the car for a spin this weekend.

Any ideas? Thanks,

Doug Vazquez

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1980 Mercedes 300 SD, 215,000miles
2001 F-350 Powerstroke turbodiesel, Crewcab, 4x4, 81,000 miles
1993 Chevy Suburban, 185,000 miles
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  #2  
Old 06-21-2002, 07:42 PM
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Join Date: Aug 2001
Location: Evansville, Indiana
Posts: 8,150
Doug:

Possibly a stuck piston on the rear brakes allowing the pad to rattle, or a loose parking brake shoe, but most likely a bad rear axle half. When the constant velocity joints go, they moan and vibrate.

Get it checked out -- most teenagers will have the radio up so loud the won't hear anything until the axle separates and the car stops.

Peter

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1972 220D ?? miles
1988 300E 200,012
1987 300D Turbo killed 9/25/07, 275,000 miles
1985 Volvo 740 GLE Turobodiesel 218,000
1972 280 SE 4.5 165, 000 - It runs!
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