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Blown head gasket 200 1981

posted by  Cliff Pope on  Thu Mar 6 03:01 CST 2003
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last visit: Thu Feb 3 05:28 CST 2011
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Yes, a satisfying job to do, but try and find out why it happened or you may end up repeating it. Watch for excessive corrosion having reduced the metal between adjacent cylinders, or warping of the head caused by overheating. This really needs checking by engineers unless you simply clean it up and take a chance.If exhaust has been blowing for any time it may have eroded the head surface.
Tighten the bolts in the correct sequence, of course, but it is worth doing it in stages, say 20,40,60 or whatever the torque figures are. Run it for a few miles and recheck the torque. Then recheck again after say 500 miles. Gaskets squash with time and heat and pressure.
Whatever they say I have always used a sealant.

Assumes of course that you can get it off. Sometimes it can be 'welded' on so tight that you are reduced to doing all the things you shouldn't, like driving in a screwdriver!
Try putting the plugs back in and turning it over on the starter.
Make a note of where all the bits go, and put nuts etc in tins.
Good luck.






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