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Thread: can someone identify this fiero part?

  1. #1
    Senior Member
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    can someone identify this fiero part?

    At the top left of this picture, right under the number 1 there is a large round component in the engine compartment with a hose coming out of it's center , looks like some kind of rubber diaphragm or vacciuum unit

    What is this part and what Is it supposed to do? The one on my car is not there


  2. #2
    Senior Member dwheeler's Avatar
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    I'm not certain, but it looks like a cruise control module.

  3. #3
    Senior Member Don's Avatar
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    It is a cruise control run off vacuum. There is also a container that looks like some took the wrapper off an old Juice can that is also part of the system. It never worked that well from the start. The canister seemed to rust out fairly quickly as well.

    There is a thread over on Pennock's Fiero forum that explains how to replace all that with an electronic cruise control system from a later model chev. I haven't seen the thread for a while but do a search on electronic cruise control and you should find it. Much better system to use than the vacuum one.

    Cheers
    Don
    308 Ferrari replica
    Prova Countach 5000QV

  4. #4
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    Thanks guys you are awesome !!

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