To me the sounds of your skyrocketing high then dropping low sounds like a
thermostat to me, and a wet water pump, could be a sign of a replacement
water pump maybe needed..
Bill
"StarMan" <NOSPAM@[EMAIL PROTECTED]
> wrote in message
news:0z%Qi.4168$E7.3896@[EMAIL PROTECTED]
> My Z28 has a bit of a leak in the coolant system.
>
> However before this particular leak began, I've had problems with my
heat.
> Namely, I don't HAVE much. Being from a warm climate, I haven't worried
> much about that alone.
>
> Now, however, I find my temp will suddenly skyrocket to 260, but then
fall
> to 200 suddenly.
>
> When I replaced my belt, I saw what looked like a "wet" water pump down
> below.
>
> I have yet to get under to see just where the current leak is.
>
>
> Anyway - any ideas if this sound s like just a HOSE? Or is my water
pump
> suspect? I wonder about the pump, since the temp shoots up then in a
few
> seconds goes down 50 deg or more. Maybe a pump failing? Also there's
the
> lack of HEAT inside the car.
>
> I know I need to replace a hose, since when I put in water to the
> radiator,
> it poured out once I filled it. The question is - is there enough
> evidence
> to go ahead and replace the water pump?
>
>
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