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Old 27th March 2024, 12:29   #5
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
No mayo in expansion tank or on dipstick.
In fact when I removed the rocker covers there was no mayo below the rocker gaskets, only above the gaskets.
As the V6 cam cover gasket is sheet metal are you saying that there is no contamination of the camshafts and valve gear, only the underside of the cam cover and top of the gasket?

If so, I was going to suggest checking that the coolant is reaching a proper temperature but you've said that you've renewed the thermostat. Did you follow the official bleeding procedure (raising the expansion tank etc.)?

How much coolant are you adding after 2-3 days? Can you see the 'MAX' marker when looking into the tank through the filler neck?

Simon
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