There is an idler pully next to the PTO clutch. Loosen the nut and slide the pully to loosen or tighten the belt. Hope this helps
Most technicians refer to the idler pully for the timing belt as just idler.
the bolt in the center of the idler pully is just spining how do i get the pully ooff
you dont they are self adjusting with the tentioner pully...
a 92 Silverado 350 uses a single serpentine belt that is tensioned by a spring loaded idler pully. When facing the engine from the front of the vehicle, the tensioner is near the top of the engine slightly left of center. Using a breaker-bar and socket, remove tension from the idler pully and simultaneously slide the serpentine belt off one of the other pulleys. I usually pick the alternator pully since it's so close. Note the path of the old belt and make certain that the new belt is installed along the identical path. Put the belt on all pullies, including the idler pully and hold it with slight tension near the alternator pully, then turn the idler pully again and slide the belt over the alternator and release pressure from the idler pully. Visually inspect the path of the entire belt to make certain that it is properly installed before starting the engine. Don't let anyone stand to the side of the engine when starting it for the first time, since a mis-installed pully can be ripped apart quickly and relatively large pieces of reinforced rubber can really hurt when they hit you.
With a vibration damper pulley puller.
it is the idler pully. i just replaced mine and all the whining stopped
first you should release the belt tension pully and remove the belt. Then the idler pully has a bolt through the center remove the bolt and the pully should come off.
Idler PulleyI recently replaced a idler pulley on my Chevy 305 v8 from Auto Air of Oklahoma. Their web site is www.autoairofoklahoma.com, you might try them, I looked everywhere for a idler pulley before I found these guys. TJ
I have a knocking noise near the water pump pully or idler arm pully on my 94 chevy cavalier 2.2 motor when its at idle, if i give it more gas the noise will go away do you know what this could be? i took off the tension idle pully and checked the bearing and it was fine.
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