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2003 gmc envoy_slt
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:tiphat Welcome :tiphat .You will need the shorter of the two sizes of belt. I believe the last two numbers are "05". There is a belt routing schematic molded into the fan shroud.
 

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2002 gmc envoy_slt
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:tiphat Welcome :tiphat .You will need the shorter of the two sizes of belt. I believe the last two numbers are "05". There is a belt routing schematic molded into the fan shroud.
What do you mean shorter of the 2? there are 2 belts on the i6?
I need to buy some backups, I always have emergency belts in the cars I own.
makes no sense to pay a tow truck $200+ to tow a car because a $30belt broke ;)

thanks
 

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2005 chevy trailblazer_ls_ext
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What do you mean shorter of the 2? there are 2 belts on the i6?
I need to buy some backups, I always have emergency belts in the cars I own.
makes no sense to pay a tow truck $200+ to tow a car because a $30belt broke ;)

thanks
This has been discussed NUMEROUS times on this forum. The search function works really well!

Short version - the I6 engine has one belt. The vehicles with the long wheel base (EXT) takes a SHORTER belt (90.5") and the SWB base vehicle takes a 91.5" belt, even though both have the same I6 engine. It has NOTHING to do with the alternator output - though most of the auto parts stores will tell you that it does.

http://forums.trailvoy.com/showthread.php?t=49922&highlight=fan+belt

http://forums.trailvoy.com/showthread.php?t=53341&highlight=fan+belt

This link is for Dayco belts.
http://www.mvreader.com/multiview/d...R&year=2005&year_from=&year_to=&engine=B2A&l=

All you need to change it is a 3/8" ratchet and some recommend a cheater bar or a long breaker bar.
 
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