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  1. #1

    Join Date
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    vacuum hose routing

    can anyone show me apic or something of how the vacuum hoses are routed? the ones that are right by the battery is what i need. also is the brake boster different from 90 to 93? the hose that hooks to my brake booster doesn't quite seem to reach.
    Dan

    1990 Turbo Grand Prix - 5 speed, yellow tops - ~100,000 miles
    1982 Oldsmobile Cutlass Supreme - posi - 103,000 miles
    1997 Grand Prix GTP - stock - 110,000 miles
    1996 Suzuki GSX-R1100WT - 1300 big bore - ~30,000 miles

  2. #2

    Join Date
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    vacuum hose routing

    What car?

    I can help you with the Cutlass Supreme, 1992. Let me know and i will draw you some diagrams from info i gleaned when i was up to the task of fixing my autothrottle.
    1992 Cutlass Supreme S 4-Door 3.1L V6, 218k km, Raybestos Quietstops/ACDelco Platinum plugs/DIS/KYB Rear Struts/Moog K6544 monoleaf pads

  3. #3

    Join Date
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    vacuum hose routing

    90 gp 3.1. should be the same, unless you have a3.4...
    Dan

    1990 Turbo Grand Prix - 5 speed, yellow tops - ~100,000 miles
    1982 Oldsmobile Cutlass Supreme - posi - 103,000 miles
    1997 Grand Prix GTP - stock - 110,000 miles
    1996 Suzuki GSX-R1100WT - 1300 big bore - ~30,000 miles

  4. #4

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    vacuum hose routing

    Okay, well, from the engine, there is a line coming off the throttle body, which gets routed towards the battery. This fits into a little doohickey that is cylindrical in shape and has a T splitter on the end.

    From the T splitter, one part goes a short distance to the autothrottle vacuum actuator, while the other is routed around the battery and down into a spherical vacuum reservoir that is located just aft of the front bumper. You will probably have to unscrew an access panel to reach the vacuum reservoir.

    The little doohickey near the battery, with the T splitter has a tendency to crack and leak, but they are available abundantly in the junkyard, so no need to fear -- just pocket one at your next visit.
    1992 Cutlass Supreme S 4-Door 3.1L V6, 218k km, Raybestos Quietstops/ACDelco Platinum plugs/DIS/KYB Rear Struts/Moog K6544 monoleaf pads

  5. #5

    Join Date
    Sep 2002
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    steubenville, oh
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    vacuum hose routing

    ok thnkas. i'll give it a look in the morning
    Dan

    1990 Turbo Grand Prix - 5 speed, yellow tops - ~100,000 miles
    1982 Oldsmobile Cutlass Supreme - posi - 103,000 miles
    1997 Grand Prix GTP - stock - 110,000 miles
    1996 Suzuki GSX-R1100WT - 1300 big bore - ~30,000 miles

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