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expansion tank

  1. [Astra Mk5/H] [04-09] 1.9 cdti astra sri 150 16v coolant rail from intake missing/plugged up?

    Astra, Corsa, Zafira, Meriva, Adam, Agila, Combo
    hello there is supposed to be a coolant rail coming from the inlet manifold running across to the expansion tank, some have referred to it as a degassing pipe. on my car it is missing and has been plugged up on the inlet side, the pipe from the expansion tank still runs to the thermostat and I...