Sounds like you have either a blocked radiator, stuffed thermostat,
loose fan belt or failing water pump.
At highway speeds, the car should have enough cooling unless you are not
circulating the water well enough.
I have access to a 1.5 inch supply of the town water supply. A large
diameter hose from this to the radiator hose certainly flushes the
radiator core out well. Following this, the cars run a lot cooler. If
you can find someone with a similar high capacity hose, try flushing the
radiator. also check the other items out.
Not sure about the N9TE water pump, but I had another 505 shred the pump
Onimpeller so most of it was missing...
The thermostat is designed to get the engine up to operating temp
quicker, so that wear and fuel use are minimised. Check around, you may
be able to get a thermostat that has the same opening temp, but a larger
orifice to allow a better flow. Don't be tempted to run the car without
the thermostat long term.
Kevin
the505inme wrote:
>During the hot hot days of summer ( 25c+), my N9TE will boil over the
>coolant in the expansion bottle, but only at highway speeds.
> However, this never happens when the ambiant temp is below 10c. I
>can drive all day at 140kph without trouble in the fall, winter and
>spring.
>
>Several good mechanics have advised me to try running the car without
>the thermostat, to open the flow of coolant during the hottest summer
>days. But Iv'e heard from others that I am risking head damage this
>way.
>
>Can some cooling experts please advise? Is there a 'summer'
>and 'winter' thermostat for the N9TE?
>
>
>
>
>
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Received on Wed Jul 27 05:33:09 2005
