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itcaptainslow · 27th June 2022, 14:14

The coolant pump would also be a shout-the leak may not be visible as it is running down the side of the block inside the timing covers.

Worth getting the system pressure tested after completing a fast run somewhere so as to "open up" the leak and maximise the chances of finding it. If it's losing 500ml in 100 miles, that's a fairly significant loss so should be leaving a trace somewhere.

27th June 2022, 14:14	#9
itcaptainslow Avid contributor 200Vi & 214 SEi Join Date: Jul 2015 Location: Letchworth Posts: 196 Thanks: 36 Thanked 63 Times in 40 Posts	The coolant pump would also be a shout-the leak may not be visible as it is running down the side of the block inside the timing covers. Worth getting the system pressure tested after completing a fast run somewhere so as to "open up" the leak and maximise the chances of finding it. If it's losing 500ml in 100 miles, that's a fairly significant loss so should be leaving a trace somewhere.