How do you replace a belt on a tensioner?
- Fan belt replacement: Check the tensioner first. Check for excessive movement.
- Check the pulley/roller. Rotate the tensioner and slide the drive belt off the pulley/roller.
- Measure wear with an app.
- The right tools make it a do-it-yourself project.
- Remove the belt with a serpentine belt tool.
- Place the new belt.
How do you release a serpentine belt tensioner?
Turn the bolt head in the center of the spring-loaded arm of the belt tensioner counterclockwise with a ratchet and socket to loosen the bolt. The tensioner will rotate freely before it comes to a stop. When the spring-loaded arm comes to a stop, continue to turn the bolt until the bolt loosens.
Do you need to replace the tensioner when replacing serpentine belt?
Tensioners add pressure from an adjustable pivot point or spring mechanism to keep your serpentine belt taut as it circulates around the engine. There is no recommended timeframe in which to replace your tensioner, especially as the belt itself usually needs replacing before the tensioner does.
How do you loosen the tensioner when removing and installing the belt?
If equipped with a tensioner screw, back off the tensioner screw. Then, push the alternator toward the other pulleys, loosening the belt. To loosen an NAI tensioner, loosen the locking nut or bolt, then back off the tensioner screw. Push the pulley toward the other pulleys or accessories, loosening the belt.
Can you change the tensioner?
When to replace car tensioners As the tensioner is very important in the proper operation of the accessory belt drive system, Gates recommends that any time you replace the multi-ribbed belt your replace the tensioner too.
How do I know if my belt tensioner needs replacing?
The most common symptom of a bad or failing drive belt tensioner is noise from the belts or tensioner. If the tensioner is loose the belts may squeak or squeal, especially when the engine is first started.
Can you replace just the pulley on a tensioner?
More often than not, just the pulley goes bad on the tensioner, not the whole tensioner, and for most vehicles, you can purchase and replace the pulley instead of the tensioner itself. The pulley should be replaced if it has a lot of resistance when you spin it.
How do I know if my belt tensioner needs to be replaced?
Appearance: Cycle the tensioner (mounted on the engine) through the entire range of motion (from stop to stop) by applying torque to the arm with a wrench. The tensioner arm should move smoothly and freely. Solution: If you notice a binding, sticking or grinding tensioner arm, the tensioner should be replaced.
Is the idler pulley and tensioner pulley the same?
The primary distinction between tensioners and idler pulleys is the presence of an adjustable bolt. Tensioners are positioned on the bolt through mounting. Idler pulleys are not mounted to an adjustable bolt.
Is the tensioner pulley supposed to move?
The tensioner arm should move smoothly and freely. Solution: If you notice a binding, sticking or grinding tensioner arm, the tensioner should be replaced.