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DIY : Serpentine Belt "hope this helps"

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Old Apr 7, 2008 | 01:20 AM
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Default DIY : Serpentine Belt "hope this helps"

hey fellow CL Members, I've been tryna work this out help by taking pictures of replacing the serentine belt on a 2001 Lexus GS430, here it goes...
Attached Thumbnails DIY : Serpentine Belt "hope this helps"-1-dirty-engine-10mm-socket.jpg  
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Old Apr 7, 2008 | 01:23 AM
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Airducts Removal using 10MM Socket and simply slide out the plastic to get some space
Attached Thumbnails DIY : Serpentine Belt "hope this helps"-2-airduct-removed.jpg  
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Old Apr 7, 2008 | 01:25 AM
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try to find that bolt on the belt tensioner
Attached Thumbnails DIY : Serpentine Belt "hope this helps"-3-old-belt-still-on.jpg  

Last edited by G430; Apr 7, 2008 at 02:17 AM.
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Old Apr 7, 2008 | 01:31 AM
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use the 14MM wrench heavily "belt tensioner" turn the drive socket haha i call it the "wrench" right to tighten up the bolt than the pulley should lower down for the belt to be removed
Attached Thumbnails DIY : Serpentine Belt "hope this helps"-4-14mm-socket-to-loosen-the-belt.jpg  

Last edited by G430; Apr 7, 2008 at 02:17 AM.
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Old Apr 7, 2008 | 01:37 AM
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after the removal of the belt, if its greasey and dirty clean it up =]
Attached Thumbnails DIY : Serpentine Belt "hope this helps"-5-no-more-belt.jpg  
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Old Apr 7, 2008 | 01:38 AM
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i got this @ a local auto part store it works for 4.0 and 4.3 etc...
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Old Apr 7, 2008 | 01:40 AM
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This diagram should have it in the engine bay.. my camera phone is blurry
Attached Thumbnails DIY : Serpentine Belt "hope this helps"-7-blurrie-belt-routing.jpg  
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Old Apr 7, 2008 | 01:43 AM
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follow the diagram starting from top sides then to the bottom and where the last bottom pulley cant be tuck in, you would have to use that 14MM Drive socket wrench, where the bolt was to loosen it up than tuck it in
Attached Thumbnails DIY : Serpentine Belt "hope this helps"-9-putting-on-the-new-belt.jpg  
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Old Apr 7, 2008 | 01:45 AM
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dont worry near the end .. but yeah .. now its inspection time after the new belt is in. MAKE SURE DO NOT START THE ENGINE RIGHT AWAY!! inspect make sure all the pulleys and belts in correct order inside the walls of the pulley
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Old Apr 7, 2008 | 01:48 AM
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and at last after making sure the belt is in place, and re install the air duct plastic and all good =] it litallerilly took me about 15 mins for the whole job.. and yes i was doing it in the COLD weather it was about 20 something chills blowing around haha

hope it helps out

-Trung
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Old Apr 7, 2008 | 05:49 AM
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You are a brave soul.. I hate the cold.
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Old Apr 7, 2008 | 08:24 AM
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Nice write up, the pictures help out alot
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Old Apr 7, 2008 | 08:43 AM
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nice good work on the diy!!
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Old Apr 16, 2008 | 10:59 AM
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It's very nice to see the pictures step by step.
I need to do this this week.
I haven't not any work on the car except for filter changes, but this looks simple enough or is it that I'm underestimating this job?

How about putting the new belt on? How much to I tighten up the bolt?
I have seen a post about over tightening the belt or something like that.
Thanks.

Update: https://www.clublexus.com/forums/sho...d.php?t=121862 says to turn the bolt counterclockwise to loosen the belt. I think your description says to turn clockwise.
Which way is correct?

Last edited by gs4rocks; Apr 16, 2008 at 11:41 AM.
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Old Apr 16, 2008 | 12:15 PM
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Originally Posted by gs4rocks
It's very nice to see the pictures step by step.
I need to do this this week.
I haven't not any work on the car except for filter changes, but this looks simple enough or is it that I'm underestimating this job?

How about putting the new belt on? How much to I tighten up the bolt?
I have seen a post about over tightening the belt or something like that.
Thanks.

Update: https://www.clublexus.com/forums/sho...d.php?t=121862 says to turn the bolt counterclockwise to loosen the belt. I think your description says to turn clockwise.
Which way is correct?
Updated my post:

From what I can see the 300 is Clockwise and the 430/400 is Counter Clockwise.

Last edited by Debonair; Apr 16, 2008 at 12:26 PM.
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