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Thread: Radiator Cooling System Question

  1. #1
    Join Date
    Jan 2006
    Location
    New Milford, Ct
    Posts
    271

    Default Radiator Cooling System Question

    The radiator for my M20 equipped car has a double temperature switch that screws into the radiator on the driver side header. This switch I believe is for the air conditioning system. Well the wires are busted from the switch. I deleted the A/C system last year.
    So was wondering if deleting this switch (so I can avoid a wiring repair) will have any affect on the cooling system?
    Does this switch also serve to kick on the electric fan to cool the radiator, ie hard driving or traffic on hot day?

    TIA
    Support your American Flag Merchant Marine
    No BMW at this time, eyeing a 91 318iS. 00 Saab 9-5, 89 Bronco XLT, 05 Kawi Z1k, 00 Ducati 748S Bip

  2. #2
    Join Date
    Jan 2006
    Location
    New Milford, Ct
    Posts
    271

    Default

    removed aux fan, condenser and all the remaining associated A/C crap that I dont need anymore.
    the dual temp switch is now used as a plug.
    With all the air passing the radiator and having the rad. fan with shroud should be sufficient cooling.
    Thanks for your input!
    Support your American Flag Merchant Marine
    No BMW at this time, eyeing a 91 318iS. 00 Saab 9-5, 89 Bronco XLT, 05 Kawi Z1k, 00 Ducati 748S Bip

  3. #3
    Join Date
    Mar 2006
    Location
    Derbyshire, UK
    Posts
    872

    Default

    Cars without A/C from the factory have no auxiliary cooling fan, but use the same radiator sans the aux fan switch. Therefore, with your A/C deleted you should be fine.

    1997 535i V8
    5spd, OBC, A/C, cruise, BMW phone, factory M-Tech wheel & suspension, 18" Alpinas

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