Chevy/GMC 6.2L and 6.5L Discussion of Chevy and GMC Trucks with 6.2L and 6.5L Diesel Engines

turbo?

Old Jul 15, 2010 | 11:07 AM
  #11  
DieselSlug's Avatar
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Dont think that will cause those issues.
 
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Old Jul 15, 2010 | 12:26 PM
  #12  
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It depends how bad the leak is. If it's a pin hole, not much difference would be noticed, but if it is leaking badly, no pressure can be built. The turbo would spool like normal, yet the compression would not build in the intake manifold. It's like trying to blow up a baloon with a hole in it. Then the fuel/air ratio would be very rich causing the black smoke. No boost from the turbo-no power. Just a theory. Could very easily be the problem.
 
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Old Jul 15, 2010 | 01:14 PM
  #13  
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hopefully it was the problem before alot of smoke now still some smoke but not nearly as much and it doesnt fell like its fall down as much, maybe ailttle on the top end (3000- 3300) rpms, before almost as soon as it boosted it would fall down.
 
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Old Jul 15, 2010 | 01:27 PM
  #14  
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I had a rot hole the size of a dime in my pass side manifold and could still easily build 10PSI.
 
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Old Jul 16, 2010 | 06:41 AM
  #15  
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I think im good, have been driving around for a day or so and it seems to be good. Im keeping a eye on it for now, thanks for the help if i have more problems this will be my first stop.
Thank u...
 
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Old Jul 18, 2010 | 04:16 PM
  #16  
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glad we could help
 
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