Re: Should I worry about this?

Posted by RAB on July 13, 2004 at 23:36:21 from (195.93.34.11):

In Reply to: Should I worry about this? posted by Steve on July 13, 2004 at 20:26:46:

I agree with the posts below, but ask the following questions:
Has the head been retorqued after initial running? - all part of the rebuild.
Were the head bolt holes cleaned out well before reassembly - could be that the bolt is bottoming and not tightening or could be an hydraulic lock due to liuid in the bolt hole.
Was the head and deck checked for straightness before reassembly?
Was the gasket put on with sealant? - some may need it, some types MUST not have any.
Was it tightened down according to the gasket manufacturer or the original repair manual? - you may have a modern gasket material and an out-of-date procedure.
Did you torque the head bolts in the proper sequence? - were the treads all cleaned up?
Is your torque wrench accurate?
Are these actual bolts or studs, holding down the head? - if bolts, could the gasket have been damaged fitting the head? - I always use dummy studs to maintain alignment if the head only uses cap screws.
I will reiterate that any leak is potentially bad on a rebuild - even if it is only going to slowly corrode that bolt and threads.
If you don't already know the answers to at least all these questions, you should be worrying by now!
Hope it turns out alright.
Regards, RAB

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