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Thread: Vauxhall Astra 1.7 CDTI (07 Reg) - Alternator change guidence

  1. #1
    Join Date
    Nov 2013
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    6

    Default Vauxhall Astra 1.7 CDTI (07 Reg) - Alternator change guidence

    Hi People,

    Would appreciate help..... How do I go about doing an alternator change?

  2. #2
    Join Date
    Oct 2007
    Location
    Middlesex
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    First off determine whether it will be easier to remove the alternator from the top or the bottom of the engine bay. If from the bottom, jack up the car and put it on axle stands, as some bolts may be quite tight and you want the car 'solid' to slacken them off. Disconnect the negative battery lead. (Make sure you have any necessary radio codes first.) Find the wires to the alternator, and disconnect them. (Probably nuts on studs, but could be a multiplug.) Slacken the auxiliary drive belt tensioner and remove the belt. Remove the nuts and bolts holding the alternator to the engine. You may find it makes it easier to remove other bits and pieces to gain access, or just to get leverage on the spanners. You may also have to 'wiggle' the alternator to get it out. Use a pencil and paper to make any notes of where bolts, studs, nuts etc came from. I am sure if I have missed anything, someone will point this out to you.

  3. #3
    Join Date
    Nov 2013
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    That's the advise I need where would be the easiest to tackle it from? Above or underneath? What else do I need to take of to get easier access?......Also where you said, (Make sure you have any necessary radio codes first.) How do I go about getting these?

    Thanks for the reply !!

  4. #4
    Join Date
    Sep 2007
    Location
    Scotland
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    The radio code might be in the hand book or wallet, that came with the car. If it is not there, the only way you can get it is to contact the car manufacturer, and there is normally a charge for that?

    Someone on here said they found it on the back of the radio when they pulled it out, but that's not the norm, good luck.

  5. #5
    Join Date
    Nov 2013
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    Ah I see, but I don't know why I would need this for an alternator change?

  6. #6
    Join Date
    Oct 2007
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    Middlesex
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    If you have a coded radio, and you disconnect the battery, the radio will need the code reentered when the battery is reconnected. If you do not have the code, and radio asks for it, then the radio either becomes a throw-away jobbie, or it costs to have the radio sorted by a specialist. (30 locally for a re-coding.)

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