i have a similar problem i think its the water pump though the thermo works
sum times doesnt others but i think this is to do more with wiring than
anything else i wll chek it soon but at idle the car over heats after a
while but as soon as i get driving again it stops climing in temperature any
ideas im thinking water pump is shagged what can i do to test my whole
system?
>From: Chris I Dobbins <[EMAIL PROTECTED]>
>Reply-To: [EMAIL PROTECTED]
>To: [EMAIL PROTECTED]
>Subject: Re: cooling system trouble
>Date: Sun, 23 Apr 2000 10:47:04 -0400
>
>The problem happens regardless of the speed I drive. The car has a four
>core radiater now, and it shows no external signs of damage. I can try to
>flush it and I will try to get a 165 degree thermostat. Currently the
>temp climbs past the P when there is a thermostat in. What temperature
>thermostat would be good?
>
>On Sun, 23 Apr 2000 16:19:58 +1200 malcolm cooper <[EMAIL PROTECTED]>
>writes:
> >Just thinking?
> >If the rad was half blocked ,and,if you have the thermostat in thats
> >even less water flow through the engine so it might heat up.
> >
> >Half blocked rad no thermostat = more water flow thru engine,hence
> >runs
> >colder.
> >Does the engine over heat with out the thermostat at speed?e.g
> >80Mhp.Or
> >does it run even colder??..
> >
> >What type of water pump and fan do you use?
> >I found the visc's(what ever) fan ,the engine runs hotter at high
> >speed
> >than it would if it had a 510 fan on it.
> >
> >Malcolm
> >
> >Chris I Dobbins wrote:
> >>
> >> Has anyone expereinced a problem like this:
> >> Without a thermostat, my 510 runs cold even after an hour in
> >traffic.
> >> With a thermostat, it overheats in about 10 minutes. I have tested
> >the
> >> thermostat in a pot of water on the stove with a thermometer and it
> >> works. The water pump is brand new. If I take off the radiater cap
> >> without the thermostat in place I can see water flowing through
> >well, but
> >> with the thermostat in the water doesn't move at all. The lower
> >radiater
> >> hose is not collapsing and neither are kinked. I just seem to never
> >get
> >> the thermostat to open in the car. The car had 190 degree Farenheit
> >> thermostat when the trouble started. I replace it with a 180 and it
> >is
> >> still there. So right now I am driving it without a thermostat. The
> >car
> >> doesn't have any major modifications and everything else seems to be
> >in
> >> excellent shape. How do I fix it?
> >> Thanks,
> >> 1969 Datsun 510 wagon
> >> Chris
> >> ________________________________________________________________
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> >
> >
>
>________________________________________________________________
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