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  1. #1

    Default Power steering pump fluid

    After running a 15 minute track session, I have excessive fluid spraying out of the vent on the power steering pump cap. It's quite a bit, enough that it's dripping off the hood, on the valve cover and firewall. My guesses are it's either heating up to much(boiling) or from high rpm. Is there a remedy for this issue? Should I run less fluid for the track? I'm guessing it's not a good idea to plug the vent.?

  2. #2


    Is the loop cooler installed? If you do maybe change it to a fin style cooler.
    85 GT - owned since 87

  3. #3
    FEP Power Member Mikestang's Avatar
    Join Date
    Aug 2013
    Firestone, CO


    Don't plug the vent. Run the fuild a little lower and use a good fluid. I use the BG stuff. A better cooler is a good upgrade.
    1986 Ford Mustang GT-

    Not much stock stuff left
    347 NA power, CNC ported heads, Extrude honed Trick Flow Intake, Custom Cam
    Suspension, custom k- member, TQ arm/pan hard rod... Much more
    Restored and ready to race, made to go fast while cornering

    1981 Mustang GT-

    Old SCCA A-Sedan National Champ car
    In the middle of rebuild

    1986 LX Sedan-

    Plans to be determined...

    "Every day I learn how much I don't know"

  4. #4


    Yes , the loop cooler is there. What about a larger diameter pulley to slow it down? Is it venting from excess heat or high rpm, or both?

  5. #5


    I had the same problem.

    I regularly shift at 6100-6250 as I run an aftermarket intake and headers..... I now run a fin style cooler and synthetic PS fluid and an underdrive pulley set-- crank, waterpump, alternator. I have had some cooling problems with the underdrive because the water pump needed more R's. Summit sells a clone to the 93 cobra pulley that solves that problem. The UPR underdrive pulley set and the summit pulley-- should solve your problem. Uses a 1993 cobra belt.

  6. #6


    3.8 serpentine belts use the same larger "overdrive" pulley.

    I use atf on all my cars.
    2 1986 cougars (both 4 eyed and 5.0)
    1 1987 cougar

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