205 GTI Alternator Diode Bridge/Rectifier part number
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Thread: 205 GTI Alternator Diode Bridge/Rectifier part number

  1. #1
    Member jech's Avatar
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    Default 205 GTI Alternator Diode Bridge/Rectifier part number

    Does anyone have the part number for an S1 205 GTI Alternator Diode Bridge/Rectifier?
    Neither the alternator itself nor the rectifier have any part numbers on them, but the plastic rear cover is Valeo & the alternator itself looks identical to pictures Iíve seen, so I assume itís a generic Valeo copy. One of the diodes has disconnected from the heat sink (see pic) and the alternator is behaving erratically. It was professionally reconditioned by the previous owner a couple of years ago with new bearings/regulator etc so ideally Iíd like to fix it with the correct new part.
    Cheers,
    James.
    IMG_1555371111.888048.jpg
    IMG_1555371135.856201.jpg
    IMG_1555371149.013117.jpg

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  2. #2
    1000+ Posts CEyssens's Avatar
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    Default 205 GTI Alternator Diode Bridge/Rectifier part number

    Hi James,
    You may find it on here, just need to identify which alternator you have. Look in menu early 205 under suspension engine electrical. Maybe even later models if itís been replaced at some stage.

    http://www.miamistu.co.uk/pug/

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    1000+ Posts schlitzaugen's Avatar
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    That diode has not disconnected itself, it has the anode broken off. You can just buy a diode and replace that one. Needs some soldering and pressing out the old one/in the new one, but the fix is as cheap as it can possibly be. The diode identifiers will be on the case. RS components have a massive range and ship free to your door. No affiliation, I just use them a lot and have had stellar service. You can also try the other usual suspects, of course.
    Last edited by schlitzaugen; 17th April 2019 at 03:16 PM.
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    Please bring it over and can will fix that!
    Last edited by Matthew; 17th April 2019 at 07:59 PM.
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  5. #5
    Member jech's Avatar
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    Default 205 GTI Alternator Diode Bridge/Rectifier part number

    Excellent info, thank you all. It looks like one of the Paris-Rhone ones from the diagrams but if itís easily fixable thatís worth a try!


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