Can anyone offer some tips on this? When retorquing a head, is the proper
procedure to back off each nut/bolt then retighten, doing them all in
recommended sequence? And when backing off, how much? A friend was told not
to back off the nuts/bolts first, just to retorque.
Years ago, I had a Toyota Celica that was weeping coolant from between head
and block. I retorqued the head and it solved the problem. I used the
"back-off first" method at that time. It had an aluminum head on a cast iron
block rather than cast iron for both- I don't know if the procedure varies by
application.
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