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Mr Toad · 13th May 2019, 20:03

Plugs seem to be fine. No external leaks apart from a small leak into the V from the coolant sensor but not anything like the 150ml a week. So it looks like either the oil cooler or the inlet manifold gaskets. So far as the oil cooler is concerned there is no leak and the car has only covered about 60,000 miles so I doubt that is the culprit. So that leaves the inlet manifold gaskets which were replaced about six months ago when the thermostat was leaking again. I know I torqued down the manifold nuts correctly, is it likely that one or both could be leaking?

Martin

13th May 2019, 20:03	#10
Mr Toad Avid contributor Rover 75 V8 tourer & MG ZTT & MG RV8 Join Date: Apr 2007 Location: London Posts: 138 Thanks: 41 Thanked 24 Times in 14 Posts	Hgf kv6 Plugs seem to be fine. No external leaks apart from a small leak into the V from the coolant sensor but not anything like the 150ml a week. So it looks like either the oil cooler or the inlet manifold gaskets. So far as the oil cooler is concerned there is no leak and the car has only covered about 60,000 miles so I doubt that is the culprit. So that leaves the inlet manifold gaskets which were replaced about six months ago when the thermostat was leaking again. I know I torqued down the manifold nuts correctly, is it likely that one or both could be leaking? Martin