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Thread: Soooo... how hard IS it to replace the alternator, anyways?

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    Senior Member Getting Dirty The_War_Wagon's Avatar
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    Question Soooo... how hard IS it to replace the alternator, anyways?

    Commander got a dead one.

    Thought the battery was old (it was - right at 5 years), so I replaced that yesterday. Truck ran great for about 5 minutes... 'til the battery light came on AGAIN. No charge from the alt (damn I wish these things HAD an amp meter on the dash, instead of an idiot light - it's been running odd of late anyways - now I know why).

    Found the good ol' boy's serpentine belt-changing Youtube... but he'd already pulled the core support and radiator, which made it a LOT easier than mine's gonna be. Figure I'll change my belt (5 years old) and tensioner while I'm at it (I already have the tensioner as a leftover from my Grand Marquis. Weird Fact #7,853,463,125: 4.6 FoMoCo tensioners, work on 4.7 Mopar applications! ).

    Any advice, pics, videos, prayers, etc., are welcome!
    '07 Jeep Commander, Rocky Mountain Edition - 287 V-8 - Superchipped - aFe Stage II R-5A CAI - Flowmaster Super 44 - 2" Daystar lift - Spidertrax spacers - 32x10.5x17 Cooper A/T's - Fastman throttlebody - Skyjacker 8000 shocks

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    Senior Member Getting Dirty The_War_Wagon's Avatar
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    Got the alternator out today. The belt was cracked, so it was time for it to go too. ANNNNNND... the tensioner has seen better days (you oughta see what the years of winter salt spray have done to my engine ), so I'm gonna replace it too. Another day, another $270...
    '07 Jeep Commander, Rocky Mountain Edition - 287 V-8 - Superchipped - aFe Stage II R-5A CAI - Flowmaster Super 44 - 2" Daystar lift - Spidertrax spacers - 32x10.5x17 Cooper A/T's - Fastman throttlebody - Skyjacker 8000 shocks

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    Administrator Looking for Dirt LeadFoot's Avatar
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    Quote Originally Posted by The_War_Wagon View Post
    Got the alternator out today. The belt was cracked, so it was time for it to go too. ANNNNNND... the tensioner has seen better days (you oughta see what the years of winter salt spray have done to my engine ), so I'm gonna replace it too. Another day, another $270...
    Is that $270 for just a belt and a tensioner? That's some crazy money.

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    Senior Member Getting Dirty The_War_Wagon's Avatar
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    Quote Originally Posted by LeadFoot View Post
    Is that $270 for just a belt and a tensioner? That's some crazy money.

    AND new alternator. Got $55 back on the core exchange, though.
    '07 Jeep Commander, Rocky Mountain Edition - 287 V-8 - Superchipped - aFe Stage II R-5A CAI - Flowmaster Super 44 - 2" Daystar lift - Spidertrax spacers - 32x10.5x17 Cooper A/T's - Fastman throttlebody - Skyjacker 8000 shocks

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    Administrator Looking for Dirt LeadFoot's Avatar
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    OK. That's still a good chunk of change though.

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    Senior Member Getting Dirty The_War_Wagon's Avatar
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    Quote Originally Posted by LeadFoot View Post
    OK. That's still a good chunk of change though.
    I'm just glad it all works!!!
    '07 Jeep Commander, Rocky Mountain Edition - 287 V-8 - Superchipped - aFe Stage II R-5A CAI - Flowmaster Super 44 - 2" Daystar lift - Spidertrax spacers - 32x10.5x17 Cooper A/T's - Fastman throttlebody - Skyjacker 8000 shocks

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