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Old 25th November 2020, 16:51   #20
SD1too
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Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model.

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Quote:
Originally Posted by Bullnose75 View Post
... can't see how cooling system isn't fully sealed as no leaks anywhere,expansion tank around cap always bone dry
Hi Paul,

Thanks for your reply. Believe it or not, you won't necessarily see coolant leaking out if your fan is able to limit the temperature reasonably well. What you should be seeing is a temperature of between 92 & 95 degrees on the move (from memory that's what I get) rising slowly to 100 if you're stationary or manoeuvring afterwards.

I'd suggest that you inspect the expansion tank cap O ring seals. Do they look flat? Mine were after about eighteen years!

Simon
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