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Old 28th December 2019, 10:03   #10
SD1too
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Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model.

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Quote:
Originally Posted by ashy90 View Post
I ... ran the diagnostic test through the dash ... Temp read approx 23, started it ... and within 20 seconds coolant raised right to the top of the tank ... By the time it was reading approx 55 the gauge was over half way.
Hi Ashley,

This is very odd. The temperature gauge and instrument pack diagnostics are fed by the same coolant temperature sensor.
How long have you owned this car?
Quote:
Originally Posted by ashy90 View Post
The rad fan is not working.
This is not going to help diagnosis. In fact, it's going to make overheating likely. You should repair this before going any further. Do you have a 2 speed fan with a resistor or the 3 speed type?

Simon
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