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Originally Posted by Old Mechanic
It may pass a compression test but fail after it is hot, it might not even fail until it is subjected to the highest sustained load like climbing a 2 mile 7% grade.
It might show up on a leak downtest but it could (as I said already) not be totally proveable until you have the head gasket in your hand and if its not the head gasket (which i think is 90% sure head gasket) its something cracked in the block or head.
I would just see if I could find another engine before I spent your quoted price on a gasket replacement only to find out then something is cracked with a lot more cash down the toilet.
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Old Mech: he already said he wants a fix that will cure the problem. He's does not want to throw any more money at it, regardless of the "correct" way of curing it.
Quote:
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Now you understand why xyz advised you to run the cooling fans constantly. Cooling fans are not designed for a 100% duty cycle and draw a huge amount of current which cost you mileage.
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NO! I never said that, nor did I advise running the fans "constantly"!
What I DID say (and actually what I did as a cure) was to wire the second fan into the primary fan circuit so it would ALSO RUN, WHEN THE FIRST FAN CAME ON, AND RUN IN TANDEM WITH IT. The problem was not with the fans. My problem
may have been with the circuit controlling the primary cooling fan.
It was never established or proven whether my primary fan was coming on at the correct temp. I had no way of knowing the correct or actual temp of activation, as the dashboard gauge had no digits on it, other than a relative analog display of approaching toward the red zone. Personally I think it was either a fan sensor problem or maybe a head gasket problem. By the time the primary fan kicked in, it seemed to be too little, too late to be able to cool things down. It did it only infrequently, only under severe conditions. Not worth tearing the engine down over that.
P.S. I respect you for your experience as a seasoned mechanic and doing things 'by the book'. Do try to be more careful in reading my posts and quoting me, to avoid misunderstandings.
