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Old 1st November 2019, 21:25   #58
SD1too
Doesn't do things by halves
 
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Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model.

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Quote:
Originally Posted by racing green rover View Post
There is 2 minor leaks from 2 hose clamps could they have anything to do with it.
That's the sort of thing that prevents the system pressurising properly. I've had similar on my SD1 when a defective brazed joint on the metal expansion tank caused problems. Why don't you fix the minor leaks from the clamps?
Quote:
Originally Posted by racing green rover View Post
... when i was in traffic the temperature gradually rose to 100 the fan kicked in and stayed at 100 it didn't rise and didn't fall until i started moving or revved the engine then it dropped back down.
The temperature should fall as soon as the fan starts running. If you remain stationary it should reach 96 degrees in a minute or two. Yours doesn't because your cooling system isn't sealed (the two minor leaks) plus you have an ongoing K-Seal problem.

One important point about the MGR bleeding method is that the starting point is a fully drained system including the cylinder block plug. I wonder whether those people who distrust this method have done this. Somehow I doubt it.

Simon
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