Quote:
Originally Posted by V40IRL
Yea the engine should be cold, so do you mean go out and take off the coolant cap? Not really like it looks shiney compared to everything that's covered in oil and the oil lines look new and not destroy ed in oil
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Yeah, lift the bonnet and in the top left, towards the windscreen, there's the expansion header. Just unscrew it slowly when everything is stone cold and see if you have any pressure built up.
That'll tell you if it's the head gasket that's gone - The build up will be exhaust gasses getting into the system. It'll explain the brown (oil) in the coolant and the smell.