Blown head gasket repair with steel seal -
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post #1 of 7 Old 01-06-2010, 06:39 PM Thread Starter
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1975 CJ5 
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Blown head gasket repair with steel seal

Has any one tried the product steal seal to repair a blown head gasket or something similar? Please I am looking for honest opinions

1975 CJ5 Levi Edition, 304 V8 AMC; Blue with denim seats.
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post #2 of 7 Old 01-06-2010, 08:23 PM
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1986 CJ7 
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Location: Devore Ca.
Posts: 483
I have used K$W Block Seal, I had a 87 yj that the block was creaked on the left side between to the 2 freeze plugs. Ran it fore another 2 years! In fact it's been setting for over 2 years and still has coolant in the radiator.

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86 CJ7 2.5 detroits, OBA 4.56, air tank bumpers, w/D rings,9500I warn 31x10.5x15, Trxus
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post #3 of 7 Old 01-06-2010, 11:35 PM
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Some of that stuff works but depending on what the problem is. If the head is warped, the correct repair would be to have the head milled flat again.
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post #4 of 7 Old 01-07-2010, 12:09 AM
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I'd think that depending on where the leak is - into a cylinder or just a coolant leak. If it is leaking into/out of the combustion chamber, then a "tune-up-in-a-can" won't work, too much heat and pressure involved. If it is just a head gasket leaking coolant out into the oil or externally, then possibly, since it'd only have the 16psi or whatever the coolant system cap is rated at pushing against the sealer.


1978 CJ5 5.0HO/T177/D300, '86 D30/D44 WT axles, 'glass body, 31x10.5 BFG A/T, TDK galv'd frame - DD and weekend toy

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post #5 of 7 Old 01-07-2010, 06:34 AM
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1971 CJ5 
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You can try to short shift problems like this all you want, but in the end the offending head gasket will let you down, perhaps with catastrophic consequences. Do yourself a favor and and replace it. It will be cheaper in the long run and may save you a long walk.
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post #6 of 7 Old 01-09-2010, 03:30 PM
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jeedaddy is right i tryed some of this and now i am replacing engine so do the right job the first time itll save money and time in the long run
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post #7 of 7 Old 01-09-2010, 05:48 PM
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1985 CJ7 
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I'd only use it to get my vehicle home. Head gaskets aren't that bad to replace, if you have a garage, time, and tools.
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