Vacuum Canister Question on a 740

Discussion in 'Volvo 740' started by Jamie, Jun 23, 2006.

  1. Jamie

    Jamie Guest

    I had my car (1987 740) jacked up yesterday and was finally able to
    take a peek at my vacuum canister tucked up under the front bumper.

    Does it have any kind of one-way valve that allows air to blow through
    it, but not sucked back? I don't want to go through the trouble of
    accessing it, and need to know if I can mount a generic version or just
    make one.

    What is the difference between having the vacuum suck through a
    canister, or me just block the tube that goes to the canister? I don't
    have a turbo if that makes a difference.

    Jamie, Jun 23, 2006
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