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how to remove pulley from alternator

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Old 12-03-2011, 02:48 PM
scotter5 scotter5 is offline
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Default how to remove pulley from alternator

06 caravan 3.8
Want to remove pulley to replace new pulley on alternator. Can i put a hex socket or conventional socket (size?) to enter through the entrance of the pulley turn it counter clockwise while holding the shaft of the alternator with a belt to hold the pulley as it turns?

Frankly i don't know what it looks like inside of the entrance to remove it.

I saw a hand made tool but directions are sparse and pics doesn't reveal enough without explanation

I know i can buy 60.00 tool to remove it and then another 50 for the pulley, but budget won't allow both. advance doesn't even have an alternator with the decoupler pulley on it, besides it's a 160 bucks and i don't have a bad alt.

i saw video saying the oad is necessary or other pulleys will get too much tension and shorten their lives.
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Old 12-03-2011, 05:07 PM
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You can remove the alt, take it to your local NAPA store and they can change out the pulleys maybe free of charge. You have to use an impact wrench to get the nut off.
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Old 12-03-2011, 05:16 PM
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It takes a special tool to remove the decoupler, here is r and r information


08 - Electrical/8F - Engine Systems/Charging/DECOUPLER, Generator/Removal

REMOVAL






8433A - Remover/Installer, Decoupler

Originally Shipped In Kit Number(s) 8433, 9090CC.

1.Release hood latch and open hood.2.Disconnect battery negative cable.3.Raise vehicle and support.4.Remove the right front lower splash shield.
5.Remove accessory drive belt, refer to the Cooling System section for proper procedures Figure 1.
Click the image to open in full size. Figure 1 - DRIVE BELT 3.3/3.8L

6.Lower vehicle.7.Remove the Air Box, refer to the Engine section for more information.8.Remove the decoupler pulley cover.
9.Use Special Tool 8433A Figure 3 to loosen the Generator Decoupler Figure 2.
Click the image to open in full size. Figure 2 - DECOUPLER REMOVAL (LITENS)

10.Remove the tool.11.Remove the Generator Decoupler.
Click the image to open in full size. Figure 3 - SPECIAL TOOL 8433 AND DECOUPLER
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Old 12-03-2011, 05:17 PM
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Click the image to open in full size.

this is the special tool
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Old 12-03-2011, 06:18 PM
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Thanks tizzy--i was trying to find out the internal exacts of the pulley so i can manufactured some type of sorts or use allen wrench. would you happen to know if the right side of the tool above in the pic. is allen wrench shape and what size?

I was wonder if the right side of that tool was what goes into the entrance of the pulley?

There is no way i can buy that tool at this time. thanks again.
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Old 12-04-2011, 10:28 AM
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I've never actually done it. I'll look at the tool when I get to work on Monday.
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Old 12-04-2011, 02:44 PM
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Thank you I really look forward to understanding what it looks like and size.
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Old 12-05-2011, 10:24 PM
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when you pop off the cover of the pulley, there is a 17mm allen hole. Inside it is a 10mm bolt head. I think the tool holds the pulley while turning the bolt head. I took some pictures but am still trying to figure out how to post them.
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Old 12-05-2011, 10:48 PM
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appreciate
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Old 12-06-2011, 10:07 PM
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picture of the alternator

http://i1179.photobucket.com/albums/...r/CIMG1114.jpg

the cover off
http://i1179.photobucket.com/albums/...r/CIMG1115.jpg

The special tool

http://i1179.photobucket.com/albums/...r/CIMG1116.jpg

front look at the tool

http://i1179.photobucket.com/albums/...r/CIMG1117.jpg

the install tool

http://i1179.photobucket.com/albums/...r/CIMG1118.jpg
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Old 12-06-2011, 10:07 PM
 
 
 
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