EGR delete problems - Diesel Bombers

Chevy/GMC Duramax 04.5-05 LLY Discussion of Chevy and GMC Trucks with LLY Duramax Turbo Diesel Engines

EGR delete problems

  #1  
Old 12-20-2018, 12:51 PM
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Default EGR delete problems

I do have a general question. I just bought a 2004 Silverado HD Duramax, I did the EGR delete on it. I noticed the difference immediately, but now I have oil coming out of my tailpipe. turbo seems to be working fine. I am thinking clogged drain or oil seal went out do to the extra pressure. Any thoughts?
 
  #2  
Old 12-24-2018, 12:56 AM
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I donít believe that the two would be related in any way.

Pull the intake off of the turbo and check for endplay, side to side, up/down movement. Spin the shaft by hand. Also look for any signs of the compressor wheel contacting the housing.

After that you have to start digging deeper.

 
  #3  
Old 12-25-2018, 09:02 AM
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Thanks Crawler, sounds like a good idea. I'll post my findings once done.
 

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