SOURCE: how to release tension on 1995 chevy 5.7L serpentine belt
Look at the diagram which should be on the radiator fan shroud. This will show you the path the belt takes around the myriad pulleys on the engine. There is a tensioner pulley whose only job is to maintain the tension of the serpentine belt. It may be marked on the diagram. If not, it is the pulley, usually near the top of the engine, that is not the air compressor, alternator, water pump, etc. I have found that a box-end wrench or a socket wrench which fits the bolt on the pulley, is sufficient. Just gently swing the pulley away from the belt slightly. Just enough to release the tension so you can slide the belt off. You don't have to worry about the bolt coming loose, as it should have far more torque holding it on than you'll put on it to release the belt tension. Note, that once the belt is off, the tensioner will swing further than it was before, since the belt is not there to stop it. So when you put the belt back on, you'll have to swing it back down/up to the same position it is in now, if not farther, since the new belt hasn't stretched.
SOURCE: how do I release the belt tension pully to replace serpentine belt
You can run down to your local auto parts store and buy a serp belt tool. Or you can take a 3/8 drive ratchet, locate the 3/8 square hole in your tensioner and put the ratchet in the hole. For more leverage I put a deep socket over the ratchet handle and put a long 3/8 extention in the deep socket. This will provide ample leverage and will save buying more tools you do not need. Simply move the tensioner to the direction that takes pressure off of the belt.
SOURCE: can't release tension on serpentine belt
You might find tension is adjusted at your power steering pump for that engine & belt.
SOURCE: how do i release the tension on the serpentine
Here's how to get a serpentine belt on or off (You'll need to do both). It's easy and doesn't require a prybar.
On:
Off:
Mike
Removal & Installation
Fig. Rotate the belt tensioner to relieve tension on the belt-4.6L engine shown, others similar
Fig. Rotate the belt tensioner to relieve tension on the belt-4.6L engine shown, others similar
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