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Thread: Hydraulic steering lines

  1. #1
    Join Date
    Mar 2019
    Location
    Fouintain Valley, CA
    Posts
    1
    My Cars
    1989 E32

    Hydraulic steering lines

    A long time ago, I gutted everything from the engine bay, motor, steering, brakes..etc..
    I am now putting everything back.
    Here’s my problem!
    Steering sector box (servotronic), power steering /lad pump, DS Regulator, hydro-braking assist and fluid reservoir hose connections (all my hoses are mixed up.
    When I looked at the parts drawing, I see one where the pressure hose is on the larger forward bango bolt on the steering sector and the other diagram is just opposite of that on the smaller bango fitting.

    The vin number is ...WBAGC831XK3056387.. if you want to look it up yourself

    How to- simple layout...I'm lost

    Thanks

  2. #2
    Join Date
    Jan 2005
    Location
    Japan
    Posts
    54,613
    My Cars
    11/88 E32 750iL+98 E36M3
    12/1988 750iL
    click here on the single drawing, there you see how it goes from Pentosin container to the power steering pump and the outlet for steering and for LAD http://www.realoem.com/bmw/enUS/part...MW-750iL&mg=32
    see here http://www.realoem.com/bmw/enUS/show...diagId=32_0271
    and for LAD scroll down here, there in the last pic you see the outlet line from power steering pump to the rear http://www.realoem.com/bmw/enUS/part...MW-750iL&mg=33
    so the closest connection towards the pully of the pump is the LAD feed line to rear, it goes around the lower oil pan in circle and then towards the rear. and here you see all likes/pipes for the brake bomb http://www.realoem.com/bmw/enUS/part...MW-750iL&mg=34

    This is a schematic drawing made 15 years ago by someone for an E32 750iL 1991 model http://www.bimmerboard.com/members/s...mSchematic.jpg
    shows pressure and return lines , some items your car does not have like the ASC filter and ASC, but that can help you

    The use the workshop manual, https://www.bmwtechinfo.com/repair/main/
    for example under steering there is the pump shown with
    1 connection to steering
    2 to tank
    3 to car ride level height control
    section 32 41

    for the hoses for brake system H31 see section 34

    then you can check here https://www.bmwtechinfo.com/repair/main/
    wiring diagrams are here http://shark.armchair.mb.ca/~dave/BMW/e32/
    and if that is not enough, get a Bentley Repair manual for the E32, good investment
    Last edited by shogun; 04-17-2019 at 07:09 AM.
    Shogun tricks and tips for the E32 series are HERE!

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