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    91 Civic Sporadic Overheat Issue

    Car was due a timing belt so I went ahead and tore apart the top end. Head gasket was not blown, water pump looked fine. Took the head in and had it cleaned up and surfaced. Machine shop said it was 3 thousands off but everything else was solid. I'll put it all back together, flush the cooling...


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    91 Civic Sporadic Overheat Issue

    Thanks for the reply. Yes the thermostat has been replaced and it it will run for weeks without any issues. The fan is working. I did several block tests with a negative test result. Also there is no smoke, no antifreeze smell to the exhaust, no excessive water at the tailpipe, no antifreeze in...
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    91 Civic Sporadic Overheat Issue

    Hi Everyone. New to the site and hoping for some solid advice. Here is the story, I'm working on a 91 Civic and am having a heck of a time chasing down the cause of a very sporadic overheating issue. The car belongs to my sons room mate so I have never been there when it overheats but have ran...
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