Overheated-head knocking: need opinions on what to do.

[Jim Green]

--- Brett Goetz <brett.goetz at rtp.ppdi.com> wrote:
> My 1988 5KCST overheated do to the small hose that
> comes out of the 
> thermostat housing.  Now the head is knocking.  The
> car has 177,000 
> miles on it and has no other problems.  Here are my
> questions:
> -What is the most logical source of the knock:
> lifters, valve?
> -What about the turbo, main bearings, water pump,
> etc.  Are those likely 
> damaged as well?

If it sounds like someone is hitting the head with a
hammer, it's probably a bad rod bearing.  You might
pull your oil filter and take it apart to see if you
have little metal flakes in there.  So I take it you
drove a while with no coolant?  

=====
Jim Green
'89 80q ... slow
'89 90tq .................fast
http://www.mswanson.com/~jgreen/car_home.html

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