Question about 2001 Chevrolet Silverado 2500HD

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I have a 2005 6.6 duramax leaking antifreeze out around an injector is there a replaceable injector sleeve on the 2005's or is it part of the cylinder head?

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  • kirkboldrick Jan 04, 2011

    this is a diesel engine and in the older models there is a replaceable sleeve and o-ring that presses in to the head, is it the same on the 2004's and 2005' s or did they change head designs?

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That my friend sounds like a head gasket leak, unless head is cracked. Check your local area for a machine shop that does head & engine work. To verify if it's a head gasket, pull spark plug from suspect injector cylinder see if plug has coolant traces on it.

Posted on Jan 04, 2011

  • uponall4 Aug 16, 2011

    6.6 Duramax do not have spark plugs

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Bulletin No.: 03-06-02-005B
Date: November 18, 2004
TECHNICAL
Subject:
Engine Coolant Loss with No Visible Leaks (Reseal Injector Sleeve)

Some owners may comment on engine coolant loss with no visible leaks. Excessive white smoke or a coolant type odor coming from the exhaust pipe, along with low coolant levels, may indicate coolant in the combustion chamber.
Cause
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