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Thread: A/C expansion valve mounting screw thread size

  1. 03-24-2010, 01:05 PM #1
    135sohc
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    A/C expansion valve mounting screw thread size

    I managed to lose the entire bag of nuts and bolts for the A/C system and my thread taps are on loan..
    Does anyone happen to know the thread size for those two cap head screws that hold the expansion block to the evaporator flange ? I thought they were metric M6x1.25 but thats not it apparently.
    I wanted to get it hooked up tonight and start pulling the vacuum on the system.

    Thanks!
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  2. 03-24-2010, 01:28 PM #2
    turbovanmanČ
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    Re: A/C expansion valve mounting screw thread size

    8x1.25.
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

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  3. 03-24-2010, 01:42 PM #3
    turbovanmanČ
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    Re: A/C expansion valve mounting screw thread size

    Too big???????? Weird, then its 6x1.0
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info
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  4. 03-24-2010, 01:42 PM #4
    135sohc
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    Re: A/C expansion valve mounting screw thread size

    Ok, my neighbor just got home and I borrowed his set. They were 1/4-20

    that M8x1.25 is the right one for the hose to expansion valve bolt though.
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  5. 03-24-2010, 01:45 PM #5
    turbovanmanČ
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    Re: A/C expansion valve mounting screw thread size

    1/4x20????????
    1989 FWD Turbo Caravan-2.5 TIII, GT35R, auto, a/c, cruise, pwr windows/locks, fully loaded with interior and ran with full exhaust. RETIRED FOR A FEW YEARS! 12.57@104 :O)
    1984 Chev Getaway van, 6.2 Diesel with a remote mounted turbo setup burning WMO-For sale.
    2003 GSW 2.0L TDI, auto, fully loaded, modified, 360K-wife's.
    2004 GSW TDI, 5 speed, fully loaded, modified.

    Aurora ignition wires for sale. Link to info

    Super60 roller cams or custom/billet cams. Link to info
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  6. 03-24-2010, 01:50 PM #6
    135sohc
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    Re: A/C expansion valve mounting screw thread size

    Yup.. 1/4-20

    I just took a bolt out of the box that was 1/4-20 and it threaded right in there.
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