Aubrey,
Try testing the thermostat. Hang it and a kitchen thermometer in a
pan of water on the kitchen stove and heat. You should be able to see it
open at 165. If it doesn't begin to open then, toss it and replace. Buy a
new gasket too.
See if water is circulating in the radiator. Loosen cap when engine is
cold (loose cap keeps the pressure from building ) and go driving
around. When temp shows on the gauge, remove the cap with engine running
and take a look to see if coolant is moving around. It should be
obviously moving once thermostat is open and the water pump is pushing
coolant around. Stick the kitchen thermometer in the coolant and see
what it reads. This checks the accuracy (comparative accuracy) of the
gauge.
Bob
On Mon, 03 Jun 2002 20:41:34 -0700 Aubrey Schneider <aschneider@shaw.ca>
writes:
> The gents mentioned above, gave some advice found on the archives.
> Could
> you or anyone weave your magic please?
>
> 1975 B oe rad. Had it cleaned & tested & it performed as to original
> spec. Put it in the car & on a cool day, performs flawlessly. As
> soon as
> the weather warms up (like now) the rad gets quite hot, rising above
> the
> N, something it never does in cool weather.
>
> Idling in cool weather is never a problem but now, she just climbs &
> climbs, 'specially idling in traffic. Even by turning on the heater
> full
> bore, makes no difference.
>
> I am using a 165 thermostat & a 15 lb rad cap.
> What, if anything am I doing wrong, or what can I do to correct this
> annoying problem.
> All answers would be gratefully accepted, please & thank you
> Aubrey 75B
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