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Thread: Need Vacuum Hose diagram

  1. #1
    Join Date
    Sep 2004

    Question Need Vacuum Hose diagram

    I removed the upper and lower intake manifolds to change the wires on the 1998 Catera and now have a vaccum line that I can't find a port for. The line appears to attatch to the lower driver's side of the transmission or engine. I checked it with a small vaccum pump and I think it attaches to a diaphram/actuator of some sort. The local Cadillac Dealership said they couldn't help and I am trying to get out of buying a service manual for this seemly simple problem.
    Any help would be very welcome. Thanks.

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  3. #2
    10secvette Guest

    Re: Need Vacuum Hose diagram


  4. #3
    Join Date
    Oct 2005

    Re: Need Vacuum Hose diagram

    did you ever find where it goes? I have the same problem.

  5. #4
    Marks DTM Calib is offline Cadillac Owners Fanatic
    Automobile(s): Vaux Omega (Caterra)
    Join Date
    Dec 2006
    Nottingham - England

    Re: Need Vacuum Hose diagram

    Have a look here:

    Remember that there is a largeish breather from the auto box that resides at the rear of the engine and vents to atmosphere....


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