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12 Valve 2nd Gen Dodge Cummins 94-98 Discussion of 12 Valve 5.9 Liter Dodge Cummins Diesels with P7100 Injection Pumps

turbo ???

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Old 02-20-2010, 03:33 PM
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Default turbo ???
I cant hear my turbo whistle anymore at idle or normal driving, just a little when i get on it. Is my turbo worn out?? If so rebuild or replace??
 
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  #2  
Old 02-20-2010, 03:49 PM
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have you checked your air filter?
 
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Old 02-20-2010, 04:07 PM
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cleaned it earlier today, K&N stock replacement (8 yrs. old), still can only hear it when I get on it.
 
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Old 02-20-2010, 04:19 PM
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check your intercooler boots and make sure there not leaking
 
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Old 02-20-2010, 04:35 PM
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Ok thanks Ill give them a look
 
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Old 02-20-2010, 04:40 PM
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if thats not it remove the intake and check the play in the compressor wheel. Some up and down is normal but in and out is not.

Also look and make sure the compressor wheel has not hit the cover.
 
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Old 02-20-2010, 05:05 PM
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intercooler boots looked ok. what is the Compressor wheel?
 
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Old 02-20-2010, 05:27 PM
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How many miles? You really need a set of guages. Have you noticed any blac smoke? How about change of performance? If your turbo all of a sudden stops working - you should be able to notice that right away.
 
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Old 02-20-2010, 05:29 PM
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When you take the pipe off.. its the wheel inside the turbine housing that compresses the intake air.
 
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Old 02-20-2010, 05:29 PM
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Originally Posted by Rexy
intercooler boots looked ok.
You just looked at them? Did you check the clamps with a wrench?
 
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