How do you replace a belt tensioner on a car?
Locate and remove the automatic belt tensioner retaining bolt (see Tips). Remove the belt tensioner and inspect the rear of it for an aligning dowel. This dowel needs to be set into an inlet on the engine properly to position the tensioner correctly. The new tensioner, if applicable, will provide a new molded dowel.
Can a tensioner be removed from an engine?
Automatic belt tensioners that are easily accessible may not be required to remove from the engine if you’re just replacing the pulley. Once the belt is removed from the pulley, you can remove the pulley bolt and washer and then remove the pulley to replace the new one.
How do you change the tension on a serpentine belt?
2) Loosen the top 12mm bolt alternator mounting bolt. 3) Loosen the lower 14mm alternator pivot bolt. This is where a 1/2″ breaker bar can be useful. 4) Measure or make a mark on some paperboard of the length of the rearmost thread on the tension relieving bolt above the alternator. This will help to place the near correct tension back on the belt.
Where is the tensioner on an auto pulley?
Locate the automatic belt tensioner on the side or front of the engine. Inspect the tensioner to use the right tool to release the tension on the belt so you can remove it from the pulley. Some may feature a 3/8-inch square-drive or 1/2-inch square-drive inlet that an appropriate-sized ratchet or serpentine belt tool adapter will fit into.
Where is the tensioner on a Pontiac Grand Prix serpentine?
The smooth tensioner pulley for the supercharger belt is located below the supercharger pulley towards the front of the car. It is just behind a black ribbed idler pulley. To loosen the supercharger belt, place the 15mm socket and long handled socket wrench on the SC belt tensioner pulley.
2) Loosen the top 12mm bolt alternator mounting bolt. 3) Loosen the lower 14mm alternator pivot bolt. This is where a 1/2″ breaker bar can be useful. 4) Measure or make a mark on some paperboard of the length of the rearmost thread on the tension relieving bolt above the alternator. This will help to place the near correct tension back on the belt.
How do you remove a belt tensioner Assembly?
You can save yourself time and money by removing the belt tensioner assembly on your own. Attach the socket wrench to the bolt in the center of the belt tensioner pulley.
What can I use to relieve tension on alternator belt?
Relieve tension on the belt with the auto-tensioner (if equipped). Some vehicles use the alternator itself to apply tension to the serpentine or accessory belt, but others use an auto tensioner pulley.