Vacuum Brake Servo

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  • Rusty
    replied
    Cleaned it all up yesterday and gave it a lick of paint, so it's all looking smart now. Just got to get my old pump out the coupbard and clean it up before sending to Alex for the conversion

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  • Rusty
    replied
    Servo, bracket and assorted gubbins won on ebay for £30. I think that's a result...

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  • Error404
    replied
    Yup, common on Cabrios.
    Thinking about it, to fit an ABY you will also need the bracket for the servo 8A0611945 and the bulkhead seal N 90125101. (These were standard on the B3 era cars but they dropped them on the ABY and changed the servo bolt arrangement to fix directly to the bulkhead).

    HTH

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  • irishs2
    replied
    I got mine from a 2.0 petrol 80 B4

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  • Rusty
    replied
    Sweet, cheers.

    A couple of £ then!

    What car? In case I can find a second hand one...

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  • Error404
    replied
    OEM was Lucas, I bought a new ATE one

    ATE - 03.7750-0302.4
    TRW - PSA402

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  • Rusty
    replied
    Cool, cheers

    What car is that off? I've been trying to find the TRW part number for it

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  • Error404
    replied
    Servo - 8A2 612 105 A
    Try and get the rigid vacuum line with it, will make life easier.


    I plumbing mine into the vacuum nipple on the underside of the inlet manifold that connects to the breather system on the ABY. I used an extra check valve to give double security against boosting the servo.






    PAS pump - you can either do the ghetto mod and remove the pistons from the OE pump, or go custom




    You need to cut out the bracket between the bulkhead and the turret. You also need to cut & weld the POS/plug bracket to clear the servo. Plug the fluid return line from the hydro servo to the rack return line with a bleed valve. Leave the hydro pressure switch plugs loose. I think that's it

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  • Rusty
    replied

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  • Rusty
    replied
    Is there a parts list for this conversion? Couldn't see one... Part numbers etc. would be great.

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  • sailaz
    replied
    long time ..... And how it went with Astra electric power steering ? Any pics under the bonnet ?

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  • Pirvu Eugen
    replied
    Let us know...
    All the best!

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  • Biturbo
    replied
    Originally posted by Pirvu Eugen
    glad is sorted!
    Please let us know how is running with the vacuum conversion.
    Regards!
    I will test car on Sunday.Is no abs and using opel astra electrik power steering

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  • Pirvu Eugen
    replied
    glad is sorted!
    Please let us know how is running with the vacuum conversion.
    Regards!

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  • Biturbo
    replied
    Originally posted by Pirvu Eugen
    That error is given by that sensor, the brake fluid level sensor or the hydraulic oil level sensor.
    Check those switches too.....maibe one of them is not connected or not in closed contact position.
    Hope this helps!
    All sorted now.My problem was that I conect hydraulic oil sensor switch cables together.Thanks for help

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