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Thread: CDTI Banjo Bolt

  1. #1
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    Question CDTI Banjo Bolt

    Howdy all

    Just wanted to ask if anyone cleans the in-line filter in the banjo bolt for the oil hose that feeds the turbo? I have heard this is a design flaw in the engine and you need to make sure the filter doesn't block, otherwise the turbo expires! VX have released guidance to their dealers, but i don't know how that works out in practice...

    Is it an annual service job, or should it be done, say, every 6 months?

    Ta

    James

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    Default Turbo Banjo bolt

    The advice from vauxhall was to replace the bolt (with internal Filter) when the turbo charger is changed. This was because they were getting a lot of replaced Turbos failing due to the bolt being blocked.
    James

  3. #3
    Regular Member Sundance's Avatar
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    As james stoogies said, the fault with the turbo was the banjo bolt, they now have a modified mesh which lets more oil through, to be honest if you are taking them out to clean then you might as well renew it, i think they are only obout £4. Its not in the service schedule at all but i would agree to get it changed yearly especially if its out of warranty!! (its the banjo bolt that goes into the cyl block that has the filter and not the one on top of the turbo.)

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    Thanks for the info guys!
    As i don't know the history of the car, i'll probably get the filter changed for the newer type with the larger mesh.

    Cheers!

    James

  5. #5
    Regular Member wardy's Avatar
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    Had a Jap import years ago which had a Turbo Timer on it. Basically it kept the car running on tickover after switching off for 30 seconds or so (depending on how hard it had been driven). It allows the turbo to "wind down" and receive oil. The mechanic who used to do the work on the car for me thought that they were so good at extending the life of the turbo that he thought all turbo diesels should have them.

    I always try to let mine idle for a while before switching off.

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    Default banjo bolt

    My first piece to the forum since acquiring what everybody calls the odd ball car, a Signum 1.9 cdti - suits me fine, which must make me oddball as well.

    As with any newly acquired car I took it to my mechanic for a service and showed him the reply from Sundance regarding the banjo bolt filter. He looked at it with great interest which is quite amazing as he is strictly a 'hands on lets get the job sorted' type.

    Eventually I twigged it was the logo on the print out he was concentrating on. Nice one Sundance it made his day!

    The local main dealers 'knew nothing of the problem' but did supply a 40 micron banjo which we fitted for piece of mind.

  7. #7
    [Ex]Admin Duncan's Avatar
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    So why does the 1.9CDTi turbo have a filter then? Doesn't have one on the oil lines on the 2.0T turbo.

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