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Old 24th October 2020, 09:07   #17
SD1too
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Rover 75 2.5 Connoisseur Auto (1999) Dealer launch model.

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Quote:
Originally Posted by vitesse View Post
... and next day solved what was a very stubborn airlock .... trying to highlight, what was in my case, the garage's incorrect assumption that the problem was headgasket related.

Thanks for this Mike.
Quote:
Originally Posted by TramPower4000 View Post
Anyway, the fuel filter was replaced, and with a new clip.
OK. Did the garage open the housing to fit a new filter element, then closed it again and secured with the clip or was the complete filter assembly renewed?
Quote:
Originally Posted by TramPower4000 View Post
But that the pressurized water (and water loss) is enough to indicate that.
Please tell us more about this pressurised water Lewis. Is it being ejected out of the expansion tank cap?
Quote:
Originally Posted by TramPower4000 View Post
I suppose both have to be replaced, even if only one is blown. Would that be correct?
No, that's incorrect.
Quote:
Originally Posted by TramPower4000 View Post
... the carbon monoxide test was negative. But again, they said that doesn't necessarily mean all is OK with the gasket.
So your garage is claiming that combustion gases are pressurising the cooling system and injecting coolant into a cylinder (or cylinders) yet there is no carbon monoxide in the coolant?

I'm sorry to say this Lewis but your garage appears to have guessed at a diagnosis (head gasket failure) then is desperately trying to find reasons to confirm it. The problem is that those reasons are eluding them.

I fear that you are about to waste another chunk of money after the fuel pump and sparking plugs which I suspect were perfectly ok.

Simon
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