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

New to me 95 Tahoe 6.5L, help

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  #11  
Old 11-21-2013, 09:40 PM
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Not yet. It cranks fast now with new starter, almost feels like its gonna catch, but no cigar.

Bled air out of system down to injectors, glow system works, batteries are strong.

almost sounds like wrong timing when cranking.

Lots of blowby out oil filler neck, and crankase valve in front of turbo.

removed intake manifold and am extending PMD harness and moving another PMD out of the engine room

don't know how to take compression check? Or how to check timing

Doesnt look good
 
  #12  
Old 11-22-2013, 08:19 PM
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Compression tester screws into glow plug holes.
 
  #13  
Old 11-23-2013, 10:21 AM
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Will a standard compression tester work? Or will he need a special one cause 6.5s are one of the higher compression engines?
 
  #14  
Old 11-23-2013, 10:43 AM
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harbour freight sells a diesel compression tester with the adapter to put in the glow plug holes fairly reasonable,or perhaps a loan a tool program?

400psi is the minimum compression allowable.
 
  #15  
Old 11-23-2013, 01:51 PM
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Pulled all glow plugs, gonna get new ones and compression tester at HF

thanks for hanging in there guys

intake manifold and all accessories on front of the motor are off so I can sort this out







I am running two massive 900cca marine optimas, and sandblasted cable ends

Tried firing it up like this and no go.
 

Last edited by man-o-war; 11-23-2013 at 01:55 PM.
  #16  
Old 11-23-2013, 02:36 PM
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Intriguing. How good of shape is this Tahoe in?
 
  #17  
Old 11-23-2013, 04:44 PM
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Its not bad, if I can get it started I will clean it up and keep it, if not gonna sell it as a project

Undercarriage is clean and rust free but hard fuel lines are wet and probably leaking so I am gonna bypass with new 3/8 hose
 
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  #18  
Old 11-23-2013, 06:18 PM
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Thats a good looking Tahoe
 
  #19  
Old 11-25-2013, 02:04 PM
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Pretty clean looking truck! Hope you get 'er runnin!
 
  #20  
Old 11-25-2013, 02:07 PM
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Is it four wheel drive? Is there such a thing as a 2wd Tahoe?

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