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Thread: How to access the clutch bleed screw

  
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    How to access the clutch bleed screw


    [Edit] The answer in my post lower down...


    I know how to do the bleed, but how do you get to the bleed screw please? from underneath? if anyone has a picture of the clutch showing the screw that would be great

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    astra sxi 2003's Avatar
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    Ahhhh just the question I was going to ask. Picked my wifes Astra up from the Body shop today and Thought the clutch was not as good as my SRI. thought maybe it needs bleeding. Would like to know where to find it etc so I can try and sort it over the weekend. This too is a 1.6 SXI
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    i think this may be it at the top of this picture pointing downwards, this is apparently the f17 gearbox but its not my upload so im not 100%... anyone?



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    Are you talking about that hose in the picture?
    For all things Electronic, Electrical and Automotive
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    Here's some info off TIS

    Hydraulic Clutch Actuation, Bleed (F13/F13+/F17/F17+/F18/F23/F35)

    Install

    Important: Use only DOT 4 brake fluid.
    The hydraulic clutch actuation must now only be bled from "below", i.e. from the bleeder valve. A brake bleeder must be used for this purpose – see "Opel/Vauxhall Workshop Equipment" catalogue.
    Manual bleeding is no longer permissible.
    Observe manufacturer's instructions before using brake bleeder. The brake bleeder must be set to an operating pressure of approx. 2 bar.

    1. Attach brake bleeder
    • Screw adapter (1) for corresponding brake bleeder onto brake fluid reservoir.

    • Connect MKM-6174-2 (2) to adapter
    Note: Insert hose end in suitable brake fluid collecting basin

    • Disconnect valve cap from bleeder valve

    • Connect MKM-6174-1 (3) to bleeder valve (4)

    • Connect brake bleeder to MKM-6174-1


    2. Bleed clutch actuation
    • Switch on brake bleeder

    • Open bleeder valve 2-3 turns

    • Bleed until brake fluid escapes without bubbles at MKM-6174-2

    • Close bleeder valve (finger-tight)





    Remove

    3. Detach brake bleeder
    • Detach adapter of corresponding brake bleeder


    Important: The following operations are also to be carried out to fill the transmission housing pressure line for the central release
    When bleeding, make sure that the brake fluid reservoir is always sufficiently filled and is not running dry.

    4. Bleed transmission housing pressure line to central release
    • Place KM-6174-2 on KM-6174-1 on bleeder valve, free end in suitable collecting basin

    • Depress and hold clutch pedal

    • Open bleeder valve until air and/or an air/brake fluid mixture emerges

    • Close bleeder valve (finger-tight)

    • Pull clutch pedal back to stop at normal speed
    Note: Do not yank!

    • wait approx. 5 seconds

    • repeat this process four times

    • Tighten bleeder valve firmly 5 Nm

    • KM-617–1 remove valve cap from bleeder valve, place on bleeder valve



    Inspect

    5. Charge brake fluid reservoir
    • Topping up brake fluid reservoir to "MAX"

    • Seal off brake fluid reservoir


    6. Check actuation pressure of clutch pedal

    7. Check shifting for ease of movement
    • shift through all gears with engine running and clutch disengaged


    Warning: A test drive must be carried out to ensure perfect function of the braking and clutch system

    8. Carry out test drive
    • Carry out test drive with various speed ranges and frequent gear changes to bring vehicle to operating temperature. Note perfect function of braking and clutch system
    For all things Electronic, Electrical and Automotive
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    x2 Astra mk4 1.6 16v & a Mokka 1.7

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    Im just trying to add a picture they show of the system
    For all things Electronic, Electrical and Automotive
    Check out my web site www.daycall.co.uk
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    Quote Originally Posted by astra sxi 2003 View Post
    Are you talking about that hose in the picture?
    I added an arrow to where i think it is

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    ill get under the bonnet in a while then and have a look.
    Must get this done though, The clutch bite is terrible
    For all things Electronic, Electrical and Automotive
    Check out my web site www.daycall.co.uk
    x2 Astra mk4 1.6 16v & a Mokka 1.7

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    Just done it mate, that is the bleed screw as shown in the pic!

    You can do it without jacking up on standard sxi by reaching underneath & also from the top of the engine, but may have been easier jacked up.


    Quite fiddly to reach round but did it with a 9mm spanner, grips to hold the little assembly so i didnt break it, the bleeding tube and a bottle of brake fluid.

    Biting point is now sharper and lower down


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    Sweet, did you use a brake bleeding kit to do it?
    For all things Electronic, Electrical and Automotive
    Check out my web site www.daycall.co.uk
    x2 Astra mk4 1.6 16v & a Mokka 1.7

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