When they rebuilt the engine I'm sure that:
1- They bored it out, that will Make the engine run a little bit hotter,
in
most cases negligible.
2- The factory gauge is not a good indicator of engine temperature.
3- Just because your original gauge sensor, I'm not sure if that works off
a
sender, or the CTS, does not mean a new sender will read exactly the same.
Go to a Dollar store, and get a cheap roasting thermometer, and check the
actual temperature.
I hope this helps.
RK
"hungry 103" <hungry103@[EMAIL PROTECTED]
> wrote in message
news:28524-47550AF7-511@[EMAIL PROTECTED]
>I have a 95 Monte Carlo with a 3.1 engne.It blew a head gasket then had
> a rod knocking.I had the engine rebuilt.Before,the heat gauge worked
> perfect staying at just under the half mark.After I got my car back,the
> gauge reads 3/4 before the fan comes on.I took it back to the mechanic
> and he checked everything out.The engine is NOT getting hot and all the
> grounds in the wiring are good.He replaced the sending unit AND the temp
> senser...which doesn't have anything to do with the gauge,and it still
> reads wrong.I replaced the whole gauge cluster with a known good one and
> it still reads hot.I unplugged the sending unit and grounded the wire
> and the gauge pegged hot,so I know the gauge is good.What made the
> original sending unit go bad? And could the new one be bad too?
>
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