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

Vacuum pump problems?

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Old 02-23-2011 | 09:46 AM
wpg6.5's Avatar
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Diesel Wrench
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Default Vacuum pump problems?

So im not sure if im right but im probably gonna remove it anyways today, this morning i started my truck and when i came out i noticed it was making a very light knocking sound coming from the turbo side of the engine, it sounds like its coming from the accessory section and im wondering if when a vacuum pumo goes if it sounds like that. sound cant really be heard from the cab so i doubt its engine, oil pressure and all is fine. only other thought is exhuast leak. any insite would be appretiated.
 
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Old 02-23-2011 | 05:15 PM
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From: Reddick,Fl.
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one way fine out if it coming from the accessory to remove belt start the engine see if gone away
 
  #3  
Old 02-23-2011 | 06:32 PM
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ya i pulled the pump and its all good dont need that anyways
 
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