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Thread: alternator replacement how-to

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    alternator replacement how-to

    as promised, i am moving my alternator how-to thread from 3si to 3sgto!

    so here ya go!


    Tools you will need:
    - Jack
    - Jack Stands
    - A 4-way
    - Some Extensions
    - 10mm Socket
    - 12mm Socket
    - 14mm Socket
    - Anger Management


    Now first thing is a tuffy. jack up the car and take the drivers side wheel off.

    it looks like this...


    once the wheel is up and off, you should then start removing the bolts that secure the a/c line that runs from the compressor to the drivers side of the car and around to the back of the engine. there will be two 12mm bolts towards the front, and on the firewall there will be two 10mm nuts as shown below...

    12mm by the headlight bucket.


    12mm nut by the a/c fuse box.


    two 10mm nuts on the firewall.


    once youve taken those nuts/bolts off, the line should move around pretty easily. you should then tie up the a/c line to the hood. (your hood shocks need to be good for this)

    i used some spare speaker wire.


    now its time to take off the accessory belt off. show below is the tensioner. what you will need to do, is loosen the 14mm bolt that holds the tensioner in place. (just loosen, dont remove the bolt.) once you have the 14mm bolt loosened, theres a 12mm bolt that faces the top of the car. simply turn that bolt counter clockwise to relieve the tension of the belt. once its loose enough, just pull the belt off and mark which side was facing the outside only if you plan on re-using the belt.



    before we go any further, we have to make some... "wiggle" room. all you have to do is simply remove/loosen the radiator support bracket bolts on the drivers side.


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    continued...



    now its time to remove the drivers side radiator fan. there are two plugs that sit close to the top of the fan and four 10mm bolts on each corner of the fan as shown..








    now that the fan is out of the way, you can start working on getting the alternator out.

    there will be two 10mm bolts on the left side of the alt and one plug that will need to be removed as shown.


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    continued AGAIN



    now that everything is unplugged and out of the way, start removing the alternator bracket bolts. there will be two 12mm bolts on top. and two 14mm bolts facing the drivers side.






    once these bolt are removed, the alt will be free. now use the wiggle room and pull it out through the top. be careful not to damage the fins on the radiator while doing so.

    now that its out, to remove the braket from the alt simply remove the two 12mm bolts as shown.





    to re-install, simply read this backwards!

    well i hope this helps everyone out!!

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    ***** Abuser Feedback Score 0 Hannibalzero's Avatar
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    Nice write up. If I can make a suggestion: removing the radiator fan isn't necessary. You can actually lift the radiator out of place, twist it, and rest it on top of the engine and IC pipes. The OEM radiator hoses will allow enough flex so that there is no need to unhook and drain the radiator. If you have hard radiator pipes, this won't be an option.

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    Quote Originally Posted by Hannibalzero View Post
    Nice write up. If I can make a suggestion: removing the radiator fan isn't necessary. You can actually lift the radiator out of place, twist it, and rest it on top of the engine and IC pipes. The OEM radiator hoses will allow enough flex so that there is no need to unhook and drain the radiator. If you have hard radiator pipes, this won't be an option.
    Aren't there two thermo sensors on the bottom of the radiator that would prevent this from being possible? It is in a similar inconvenient location of the two bottom bolts for the a/c condenser fan.

    edit: I tried to lift the radiator out with hoses attached as you described, but it got stuck on its own about 6 inches high. So while supporting/positioning the rad with my left hand, I used my right hand to cradle the alternator out. I removed the alternator bracket before doing this and it was still a ridiculously tight fit.
    Last edited by Nytron; 12-06-2011 at 09:23 PM.
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    Feedback Score 1 (100%) Greg E's Avatar
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    Someone want to video me doing an alternator in 20min w/o taking the wheel off?

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    Forum User Not Verified Feedback Score 0 shmoo's Avatar
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    Quote Originally Posted by Greg E View Post
    Someone want to video me doing an alternator in 20min w/o taking the wheel off?
    that depends on where you're at, and when you want to shoot the video.




    awhh, you did it!//oheay fuck you
    _isiah

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    Quote Originally Posted by Greg E View Post
    Someone want to video me doing an alternator in 20min w/o taking the wheel off?
    Yeah I am with you. couple of specialty tools and yur all set.


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    Forum User Not Verified Feedback Score 0 shmoo's Avatar
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    brilliant, but please do tell me exactly what you've done here.

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    Quote Originally Posted by shmoo View Post
    that depends on where you're at, and when you want to shoot the video.
    I live near Philly.

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