decks had my head gasket done at the start of the year, now i see some mayo in the header tank plus a smell of petrol comeing from it, could it be gone again or would anything else cause this.
decks i replaced the old tank with a different one and put new coolant in, the mayo just seems to be around the sides, but i have a smell of petrol as well in the coolant tank.
Jamee no they dont, perhaps your seals have gone, mayo is caused bt water getting in, so check all the gaskets, seals, pipes.
blue_se2 I believe the Vx220 have oil coolers but astra's and vectra's no. sorry mate does sound very much like the gasket again?
blue_se2 Should do basicly its a liquid that changes colour when it detects exhaust gases in the cooling system