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Needing Diagrams!

This is a discussion on Needing Diagrams! within the Firebird / WS6 forums, part of the Vehicle Specific category; I need a vacuum line diagram.. and a coolant line one if possible. I wont to check over all my ...

  1. #1
    Junior Member
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    Red
    2002 Trans am

    Needing Diagrams!

    I need a vacuum line diagram.. and a coolant line one if possible. I wont to check over all my lines etc before I start the car back up after h/c/i swap. I got some vacuum lines im not positive where they go.

  2. #2
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    pajeff02's Avatar
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    Black & Blue
    '02 WS.6 / '07 Suburban

    Coolant lines are as follows:

    1. Upper radiator hose from top driver side of radiator to inlet below throttle body. May be a two piece hose if you have a power steering cooler between the hose sections.

    2. Lower radiator hose from passenger side of radiator to thermostat housing.

    3. Overflow hose from radiator filler neck to overflow bottle.

    4. Air bleed is two hoses: 1) from front of intake manifold (tube running between banks) to throttle body; and 2) from throttle body to passenger side of radiator. This is often bypassed to keep the hot coolant out of the throttle body.

    5. Heater hoses are an assembly that run from behind the thermostat housing, bolt to the midrail, and then to the heater core located on the upper rear passenger side firewall.

  3. #3
    Moderator Cutlass's Avatar
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    1999 Formula WS6 M6-sold
    2001 Silverado Z71


    (1) To HVAC
    (2) To Power Brake Booster
    (3) EVAP System Test Port
    (4) To EVAP Canister
    (5) EVAP Canister Purge Solenoid
    (6) Throttle Body
    (7) Positive Crankcase Ventilation (PCV) Valve
    (8) Exhaust Gas Recirculation (EGR) Valve
    (9) Crankcase Ventilation Hose
    (10) Crankcase Ventilation Hose

  4. #4
    Junior Member
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    Red
    2002 Trans am

    sweet ty guys. Was waiting to put the intake on till I knew I had everything way in the back figured out.

    One that im still not sure on is a line that looks SIMILAR to the one running to the driver side rear valve cover about a half inch soft hose?

  5. #5
    Impounded
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    79 T/A -91 Firebird
    1998 Trans Am -Oynx Black

    Quote Originally Posted by Ls1Bandit02ws6 View Post
    sweet ty guys. Was waiting to put the intake on till I knew I had everything way in the back figured out.

    One that im still not sure on is a line that looks SIMILAR to the one running to the driver side rear valve cover about a half inch soft hose?
    Sounds like the pcv system.

    Line from Drivers side VC leads to a t then goes to the passenger and on to the intake

  6. #6
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    Blue
    1998 TransAM

    That is the PCV it goes behind the intake to a Y then up the passenger side of the engine. Just replaced mine had to pull the intake for a bad knock sensor.

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