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Re: Serpintine belt on replacement on 2002 chevy...
You should not have to take off your fan or your shroud to replace the belt. Its all under a tensioner pulley you have to put a 18 mm wrench on and pull towards the inside and you should see the belt loosen up enough to take belt off.
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CJ, this is very common for the I6 engines in TB's and Envoys. You need a new fan clutch. Triple check the wire connectors first, located on the top of the radiator on the drivers side, make sure those are in tact first. Then replace the fan clutch. Might as well do your water pump and serpentine belt while you're in there.
There should be a square hole in the tensioner. Stick a 3\8 drive rachet in the hole or rent tne tenioner tool from advanced auto parts. Push down on the tool and take the old belt off.BE CAREFULL NOT TO LET THE TENSIONER SNAP BACK ON YOU EASE IT BACK. Installing the new belt is just the reverse operation. There should be a diagram of the belt placement on the shroud. If not the diagram will come with the new belt
Your belt routing should be on a diagram on either the fan shroud, or the core support. However, this routing depends on whether or not your truck is equipped with a/c. Either way a belt routing diagram should not be difficult to locate.
The new chevys are a pain. There should be alot of little nuts on the top of the shroud possibly under a small piece of weather stripping. There should also be 2 or 4 small bolts halfway down the shroud on both sides. Then there are 2 or 4 bolts on the bottom of the shroud. It should end up in two pieces with one piece coming out the top and one out the bottom. Removing the shroud most of the time is not necessary but it helps.