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Go Back   Hummer Forums by Elcova > Hummer H2 Discussion Forums > Technical Discussion and Customizing your H2

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  #1  
Old 02-10-2011, 03:08 PM
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PaHumBug PaHumBug is offline
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Default Re: Alternator, tension pulley, belt replacement

Please clarify "right materials". Any special tools?
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Old 02-10-2011, 03:22 PM
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Default Re: Alternator, tension pulley, belt replacement

a socket wrench
a socket that will fit the bolt

should be about all you will need
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Old 02-15-2011, 07:51 PM
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Default Re: Alternator, tension pulley, belt replacement

Very very easy!!! Replaced mine with a 200amp and it too about 45 minutes at the most. Good luck!
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Old 03-21-2011, 08:22 PM
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Default Re: Alternator, tension pulley, belt replacement

Finally getting around to this. Is there a difference between a tension pulley and an idler pulley? Dealer said tension pulley but I can't find them, just idler pulleys. Is GM parts direct the best place to go or should I just check local auto zone?

thanks
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Old 03-21-2011, 08:55 PM
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Default Re: Alternator, tension pulley, belt replacement

When looking at the front of the motor its on the upper most left pully. Put a socket on the long nut and turn it to loosen the tension.
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Old 03-23-2011, 01:07 AM
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Default Re: Alternator, tension pulley, belt replacement

change the AC pulley while you at it it's smaller one below the one you working on.
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