Quote:
Originally Posted by BlueBugEye
Sounds a bit like mine when I only had the minor HG leak, I'm guessing bubbles in the overflow bottle?
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Yeah, when hot and for a short while after switching engine off. The hose blows a bubble out into the expansion bottle every couple of seconds. It does look like HG, but i thought for the price of a cap it was worth trying first? Sniff test might confirm anyway