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4.3L cooling system

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  #11  
Old 03-02-2008, 11:45 PM
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Default RE: 4.3L cooling system

I think you may be right about the head gasket. So on a whim I went to Autozone and bought a bottle of this stuff called "Blue Devil" it was $60 it says that no mater what type of coolant leak you have it will fix it guaranteed or your money back. A last resort before tearing the hole motor down. I will right back to let you guys know if it works.
 
  #12  
Old 03-03-2008, 05:15 AM
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Default RE: 4.3L cooling system

Whats your oil pressure at?? Is it higher then normal?? If your losing coolant that badly I would check the oil dipstick tube to see if its a milky brown!! If so it could be your intake manifold gaskets that went out its one of the more common problems with our engines!!
 
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Old 03-09-2008, 10:41 AM
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Default RE: 4.3L cooling system

The oil pressure is about 40 psi at idle. I put that "Blue Devil" in about a week ago and have not lost a drop of coolant since then. I will keep my fingers crossed. So far it is a damn good product.
 
  #14  
Old 03-09-2008, 11:34 AM
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Default RE: 4.3L cooling system

Hope it works out for you!
 
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