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GS450T head gasket leak... any recommended sealer

P

prichmon

Forum Mentor
Good morning GS team;

I'm working on an GS450T. I've had the block and head decked, new gaskets. After a short time on cylinder started leaking when hot. It seems the head gasket didn't fully seal on 1 cylinder.

I'll be rechecking flatness on both head and block.

Since I'm tearing it back down to replace the head gasket I wanted to get advice on a head gasket sealer to help insure sealing.

Thanks

RR
 
Did you use OEM gaskets? Check torque on the nuts after a few heat cycles. Cheap aftermarket gaskets, particularly the base gasket, can crush down, resulting in torque fall off.

The OEM gasket has sealer on it already.
 
I've used copper coat with good results when using cheap gaskets. However, as mentioned, torque recheck is always needed.
 
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