4.3 Liter engine question
12-24-2006, 01:49 PM
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4.3 Liter engine question
Does the 4.3l have a intake problem like the 3.8l? or would it just be a bad head gasket if my friend just found antifreeze in his oil? I'm not a mechanic but I did try to look at it with him last night. It doesn't look anything like the intake on the 3.8l to me. btw this is in his S10.
12-24-2006, 02:00 PM
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no they do not have the same problem a the 3800 with the UIM. this would be just a bad gasket someware, the 4.3'* rarely get broblems like these, i know my old one never did, and still hasnt had any problems and its pushing 1/2milliom miles 
get it fixed up, she wil be good to go for a long time to come if you treat it well
get it fixed up, she wil be good to go for a long time to come if you treat it well
12-24-2006, 02:01 PM
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What year is the 4.3? Therew were changes... Also which engine is it? TBI or CPI?
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12-24-2006, 02:10 PM
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Originally Posted by jr's3800
What year is the 4.3? Therew were changes... Also which engine is it? TBI or CPI?
12-24-2006, 02:37 PM
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Originally Posted by Peterg22000
Originally Posted by jr's3800
What year is the 4.3? Therew were changes... Also which engine is it? TBI or CPI?
Also wondering has a compression test been done? If it was ran hot enough its possible to cookk the head gasket or crack a head...
But if it has the alluminum intake with plastic gaskets anything is possible... I'd have to research it, but I'm not sure what gaskets it used..
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12-24-2006, 03:09 PM
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I've owned 3 of these engines. Do a compression check first. If it'* good, and nothing obvious shows up, start tearing off the top end until you find the problem gasket.