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#1
03-28-2008, 08:50 AM
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Alternator belt replacement DIY?
I am assuming the splash shield from the under the truck needs to come off to be able to access the pulley tensioner. Any pointers? PS: My truck was in for an oil change and the indie mentioned that it needs a new alternator belt. at 55K miles, isn't that a bit early?
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Another lame attempt to get to 2000 posts M i C k E Y 2017 Tesla Model X 2014 Porsche Panamera-S e-Hybrid (sold) 2012 Porsche Cayenne 2001 X5 3.0 (sold) 2003 Carrera 911 Cabrio (sold) 
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#2
03-28-2008, 09:30 AM
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Check the belt for cracks or fraying.
You can do it without removing the splash shield/fan/shroud. Otherwise remove fan/shroud to make it muchhhhh easier. Taking off the splash shield will let you check out for minor oil leaks like from the front crankshaft seal.
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#3
03-28-2008, 09:56 AM
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Remove cooling fan. Use the special tool if you have access to one(I use a punch to knock it lose).
Cooling fan is 32mm and has left hand threads(knock clockwise) To remove A/C compressor belt. Use Torx socket to rotate tensioner clockwise and slip off old belt. Inspect this belt also for cracks. To remove alternator/accessory belt. Remove the cap on the tensioner with a thin screwdriver. Rotate the tensioner clockwise to release belt.
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#4
03-28-2008, 09:59 AM
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It seems that replacing the belt from the top is next to impossible unless the fan is is removed. Is that correct?
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Another lame attempt to get to 2000 posts M i C k E Y 2017 Tesla Model X 2014 Porsche Panamera-S e-Hybrid (sold) 2012 Porsche Cayenne 2001 X5 3.0 (sold) 2003 Carrera 911 Cabrio (sold)
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#5
03-28-2008, 10:23 AM
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Can be done.
If you attempting for the first time, whole lot easier if you removed air intake hood(clips may break if brittle), cooling fan, the shroud(lift out of engine fan & shroud together) and splash guard. If done this way easier to install belts from the bottom to save your back.
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#6
03-28-2008, 10:34 AM
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Quote:
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#8
03-30-2008, 07:18 AM
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Hi, Unless you've got arms like a stick insect forget it, changing from above becuase you need to take so much off (if its a 4.4i anyway ) remove undertray then draw a picture of pulleys and direction YOU WOULD'NT BELIEVE THE DIFFERENT WAYS IT CAN NEARLY FIT !!!
if you are still struggling then remove the fiscus fan blade aswell as the housing but you should be able to do it all from underneath apart from making shure belt is neat and tiddy from above.... GOODLUCK (change the other belt while your there!)
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#9
03-30-2008, 11:37 PM
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I cant even figure out how to adjust the tensioner on the alternator belt. My battery light just came on too. I'm thinking I just need a new alternator. My x5 has 61k on the odometer and has lately developed a nasty chirping/whirring sound around the belt area.
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#10
03-31-2008, 03:39 PM
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I did this yesterday, but I did it at the same time I had the fan and shroud off to pull my water pump and tstat...so that was easier than having everything in place.
If you are pulling the alternator belt and not the AC belt, you will have to pull the fan, and probably do it from the top. You can leave the shroud, just let the fan slide gently into the shroud against the radiator. Then you do what 01 BMW said. The AC belt you can actualy get to from the bottom without touching anything else beyond the splash shield.
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