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Thread: Help,,, please, with front discs!!

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    Default Help,,, please, with front discs!!

    Hi folk, i gotta swap my front discs, on my 1.8 Ls, 2003 plate Veccy. I was wondering, if there is anything i need extra to do them from Older type, ie: "b" I heard some folk say about a re-wind tool???
    Do the callipers come open in the same way as a "B"?
    Also, is there anything i have to watch out for?

    All advice, is gratefully received!

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    Vehicle : Vauxhall Astra-J

    Trim : Elite

    Engine : 2.0 CDTi

    Year : 2013

    Default

    Rewind tool not needed for front calipers - only the rears.

    The following how2 *should* help you:-

    http://forum.vectra-c.com/showthread.php?t=42093

    If it was me, then I would slacken off the bleed nipple before retracting the pistons back into the calipers, then bleed the brakes when all re-assembled. Some people say this isn't necessary, but there is a small risk of flipping the rubber seals in the master cylinder if you try and force brake fluid back up into it too quickly. You also run the risk of forcing dirty brake fluid back through the ABS pump.

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    Thanks for that, i hall have a look at this one now!!

    The "e20 tx socket,,, is this the external type, ie: female socket?? I may have to get one,, along with some loctite!!
    Last edited by mitch1965; 9th September 2008 at 01:31.

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    Regular Member poves's Avatar
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    As big dave said , utilise the bleed nipple - the master cylinder has a seal which can go haywire if you push fluid back through it.

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    Regular Member nikroc's Avatar
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    If your gonna undo the bleed nipple(i didnt wih no problems at all btw) then id suggest that you spray some wd40,or suchlike carefully around the base of the nipple and let it work in. Use rags etc to protect the areas you want to remain 'clean',although you may well be changing your pads at the same time(hint hint)
    Last thing you want is a sheared off nipple and the hassel of trying to remove it or replacing a caliper and the ensuing changinf/flushing/bleeding of the system..
    Been there done that,never again.

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    Quote Originally Posted by nikroc View Post
    If your gonna undo the bleed nipple(i didnt wih no problems at all btw) then id suggest that you spray some wd40,or suchlike carefully around the base of the nipple and let it work in. Use rags etc to protect the areas you want to remain 'clean',although you may well be changing your pads at the same time(hint hint)
    Last thing you want is a sheared off nipple and the hassel of trying to remove it or replacing a caliper and the ensuing changinf/flushing/bleeding of the system..
    Been there done that,never again.

    Good points here mate,, i have the pads here alos to swap,,, looks like i shall have to put it off till the next dry day,,,,,,,,,,, that'll be bout April next year then???

    Lmao!!

    Many thanks for all the tips folk!!

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    Vehicle : Vauxhall Astra-J

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    Quote Originally Posted by mitch1965 View Post
    The "e20 tx socket,,, is this the external type,

    http://www.plumbersurplus.com/images...725-136647.jpg

    (but with T20 on the side, and not T15)

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    Quote Originally Posted by Big Dave View Post
    http://www.plumbersurplus.com/images...725-136647.jpg

    (but with T20 on the side, and not T15)

    Thats cool, i should have one of them.

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    Regular Member david.aka.judas's Avatar
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    Quote Originally Posted by Big Dave View Post
    Rewind tool not needed for front calipers - only the rears.

    The following how2 *should* help you:-

    http://forum.vectra-c.com/showthread.php?t=42093

    If it was me, then I would slacken off the bleed nipple before retracting the pistons back into the calipers, then bleed the brakes when all re-assembled. Some people say this isn't necessary, but there is a small risk of flipping the rubber seals in the master cylinder if you try and force brake fluid back up into it too quickly. You also run the risk of forcing dirty brake fluid back through the ABS pump.
    defo agree with that, its so much easier........

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    All done now. Many thanks for all the info,, the discs themselves, were a nightmare to remove from the hub itself!!! solid,,, was an understatement!!
    Even persuasion with a hammer, on the back of disc, making sure i didn't hit anything but,,, & with plenty of WD40 squirted in places i could get to, to try & break the corrosion, still took me 20 mins each side, just to get the disc off!!

    Think these were long overdue???





    The pads themselves weren't to bad for wear,
    so rekon, whoever fitted these,,
    skimped on putting discs on @ same time??




    I had a slight "creaking" on drivers side,,
    thought it was the sliders but,
    when i removed pads off this side, i found this!!!






    It literally fell apart as i took it out!

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