How do I know if my AC belt tensioner is bad?
One of 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 adjust AC belt tensioner?
Locate the adjuster bolt on the belt tensioner used to secure the serpentine belt, and adjust the tension by loosening or tightening the adjuster bolt with a racthet and socket while you simultaneously move the belt back and forth gently to find the proper tension.
How do I tighten my AC pulley?
Turn the adjustment bolt on the side, top or bottom of the pulley counterclockwise with the ratchet and socket until the accessory belt is loose enough to remove. Tighten the tensioner pulley by turning the adjustment bolt clockwise with the ratchet and socket until the belt is tight.
What causes a tensioner to go bad?
Pulley Damage Any damage to the automatic tensioner pulley can cause damage to the belt tensioner due to the vibrations caused by the pulley. Physical damage to the pulley is an indication of extreme tension or physical interference.
How tight should the belt tensioner be?
When twisted either way from the middle, the tension in the belt must not be more than 12 inch. The belt is too tight if it is twisted more. The positions do not work for the vehicle.
How much tension should a belt tensioner have?
A general rule of thumb for the correct tightness is being able to twist a belt with a thumb and finger a 1/2 turn and feel resistance. If you can turn it more than a 1/2 turn, you do not have enough tension on the belt. If you cannot turn it a 1/2 turn, you have too much tension on the belt.
How long does it take to replace a timing tensioner?
How long does it take to replace a timing chain tensioner? Because this critical piece of the engine requires careful attention during a replacement, it can take anywhere between six to eight hours to replace a timing chain tensioner and assembly.