I am changing my exspansion tank ,and just need to no if you can do it without draining the hole system.
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Yes. Get some cardboard or a cloth and a pair of mole grips. Wrap the card or cloth around the pipe that comes from the bottom of the tank and clamp the mole grips on.
Remove the clip and pull off that hose, but be quick or the tank will drain into the engine bay. Using a second person as another set of hands is usefull. You will also need to remove overflow hose, but it shouldn't have lots of water in it. Have the mounting screws udone before hand, so you can whip it out quick sharpish.
Swap in the new tank, refit the hoses, remove molegrips and refill tank with appropriate antifreeze (if using VAG antifreeze, use G12+ (plus) as you don't know if it has G11 or G12 in it, they don't mix well)
Jas..2001 Avus Silver B5 RS4.
2004 A4 Avant 1.8T quattro Sport-LE.
1995 S2 Coupe - sold (sniff) -
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