On 1 May 2008 10:11:24 -0400, kludge@[EMAIL PROTECTED]
(Scott Dorsey) wrote:
> <p5388@[EMAIL PROTECTED]
> wrote:
>>
>>The radiator has been flushed with an acid flush, also I have not been
>>able to detect any cold spots in the radiator. The last water pump I
>>put on, I did a test flow while the radiator was off, and volume
>>output seemed more than adequate. I also washed out the fins of the
>>radiator, but they really weren't that dirty.
>
>I'm still thinking gunked-up radiator. If the radiator is partially
clogged
>already the acid flush won't do it much good.
>
I agree, especially at that mileage. Even if the tubes are clear the
fins can get corroded and loose their ability to efficiently remove
heat.
>>I have thought about the fan clutch, although it seems to be "stiff"
>>when cold and "free" when heated up
>
>This is bad. It should be the other way around... the thing is supposed
to
>become stiff when it gets hot in order to make the fan go faster when the
>engine is hot.
>
It should be stiff if the engine was very hot but it won't be very
stiff at normal operating temperature. It will also be stiff when it
is cold... that's why you hear the fan "roar" for a couple of seconds
on cold start.
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