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#1
06-03-2014, 12:51 AM
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Help diagnosing engine noise 87 300D Turbo
I have a 1987 300D. Car has about 215K miles and it runs great. Last weekend it started making a loud noise that I can't tell what the source of it is.
I made a small clip of it in the hopes that someone has heard this before and can help me diagnose the problem. Clip is here: 87 300d turbo noisy - YouTube Thanks 
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#2
06-03-2014, 10:56 AM
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I'd pull the belt, and check by hand ALL the spinning accessories.
could be the alternator, the belt tensioner pulley, the water pump, the fan clutch, the a/c compressor... etc...
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!!  1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#3
06-03-2014, 10:29 PM
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I was wondering about the vacuum pump. Not sure of anything though.
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#4
06-04-2014, 09:33 AM
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on the car that failed the VP I never heard anything...
not saying your noise COULDN"T be the VP, just that my failed one was silent...
__________________
John HAUL AWAY, OR CRUSHED CARS!!! HELP ME keep the cars out of the crusher! A/C Thread "as I ride with my a/c on... I have fond memories of sweaty oily saturdays and spewing R12 into the air. THANKS for all you do! My drivers: 1987 190D 2.5Turbo 1987 190D 2.5Turbo 1987 190D 2.5-5SPEED!!! 1987 300TD 1987 300TD 1994GMC 2500 6.5Turbo truck... I had to put the ladder somewhere!
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#6
06-11-2014, 10:39 AM
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With the belt off you'd also be able to determine if it was the vp.
__________________
http://superturbodiesel.com/images/sig.04.10.jpg 1995 E420 Schwarz 1995 E300 Weiss #1987 300D Sturmmachine #1991 300D Nearly Perfect #1994 E320 Cabriolet #1995 E320 Touring #1985 300D Sedan OBK #42
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