Cracked Heads????
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Senior User
Joined: Oct 2001
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From: Osage County
Cracked Heads????
How do I test, or tell for sure I have cracked head(s)? I have a 89 2.9L that loses coolent, about a galoon+- over 200 miles or so. I thought it was a head gasket so I replaced them but still have the problem. After replacing the water pump and heater core. Now I'm guessing a head but I don't know how to tell when I tear it back apart. The Heads look fine to me the first time I dug in.
Post Fiend
Joined: Feb 2003
Posts: 6,940
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From: Eastern WA
You can take the heads to a shop and have them magnafluxed. Some shops may also elect to use dye penetrant inspection in areas known to crack. But first, is it displaying the usual sign of a cracked head (steamy exhaust)?
Last edited by CowboyBilly9Mile; Dec 29, 2004 at 10:43 AM.
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Senior User
Joined: Oct 2001
Posts: 125
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From: Osage County
Are 1 and 6 trouble spots in this engine? I did a compretion test on the truck before I did the head gaskets and the middle cylinder on the pass. side (thinks thats 3) was at 99psi the rest were at the normal 121
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