Hot or Not ?

Entry posted by toys4x4boys September 30, 2017

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Thought I'd check over the cooling side of the car, as the gauge was always showing it as running hot, even without any physical symptoms.

And I've never heard the electric fan running.

Ordered a few bits, new thermostat, new fan switch, and a gasket or 2

Got round to looking today.

Quick taste of the water, left little lasting impression on my taste buds so probably not much antifreeze present.

Off with the thermostat housing, and the usual bodge reveals itself, no thermostat.

Fitted my new one and new gasket.

On with the ignition and bridged the fan connectors, fan runs fine.

So change out the fan switch on the thermostat housing too.

Drained the coolant and refilled with the correct type and percentage of anti freeze and begin to heat cycle top up and bleed.

check the temp gauge, showing hot.

Retrieve my infrared temp gun ( misspent youth, Ok misspent midlife of playing with RC cars )

Thermo housing showing around 84c, gauge showing 130+c

Let it warm a but further and leccy fan kicks in, and all seems well.

So I'm going with dodgy sender or gauge.

I'll order a cheap 52mm gauge and sender, and see how that gets on.

But if anyone has a spare SW gauge and sender that works and matches this one, I'd be interested to hear.

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