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Old 5th December 2017, 16:29   #7
macafee2
This is my second home
 
Rover 75 Saloon & Tourer

Join Date: Sep 2012
Location: Lincoln
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Quote:
Originally Posted by marinabrian View Post
Ian, it is much more likely the O ring that seals the upper coolant rail to the thermostat housing has failed.

I've changed quite a few of these....... my opinion on the failure chemical attack.

Strangely enough, the compound of the o ring was altered a couple of years ago coincidence??????

Brian
Brian, can this o ring be changed without removing the water pump or thermostat from the car?

macafee2
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