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CATEGORY LISTINGS > GM DIESEL > 6.5 getting diesel fuel in the engine oil [ REFRESH ]
Thread Title:

6.5 getting diesel fuel in the engine oil


Created On Wednesday August 17, 2005 09:40 Diesel Talk
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tommy6824
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Posts: 1
Joined: Aug 2005

Note Wednesday August 17, 2005 09:40 View thread in raw text format
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I have a 1994 6.5, k3500. I get about a quart of diesel fuel in the crankcase oil for about every 15 minutes of run time, either at idle or higher rpm. I replaced the injector pump, but it didn't help. I pulled the pump off and had it bench tested by local stanadyne shop. No leakage on test bench. No fuel ever, at any time, leaked out the "weep" hole in the injector pump. The electric fuel lift pump is mounted on the frame and works correctly (7 psi, cycles on and off with demand). All return fuel lines are clear back to the tank. The motor has high miles, but has no other major problems. Injectors seem to be okay also as the motor does not "smoke" in excess. Motor has good power for what it is, and will redline with no problem. Last couple of mechanics to look at it suggested trying another injector pump. Any other ideas? thanks.
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badges65
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Joined: Jul 2002

Note Wednesday September 07, 2005 17:32 View thread in raw text format
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Hi,
has it still got the mechanical fuel pump in the fuel line??????
don

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owner19946point5turbodiesel3500silverado
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Joined: Jan 2006

Note Saturday January 28, 2006 22:33 View thread in raw text format
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fuel filter cansiter leaking and goes straight into the engine block ?? fuel injectors leaking fuel when shut off ? never heard anything like this ....
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