How do you check the tension on an alternator belt?
How do you check the tension on an alternator belt?
Check the belt tension. Once you have released the auto-tensioner or tightened the alternator bolts, check the tension of the belt to make sure it has seated properly on all pulleys. Pinch the belt between your thumb and index finger and try to wiggle it. There should be very little give to a properly installed alternator or serpentine belt.
How do you remove a belt from an auto tensioner?
Hold the tension from the belt, and slip the belt off the auto tensioner pulley to remove the belt and pulley system. Slowly release the tension to avoid damage or injury, and then remove the tool from the belt auto tensioner.
How does an alternator belt work on a car?
Many newer model vehicles come equipped with an auto-tensioner pulley. The pulley presses upward as the belt wraps around it so the belt remains under constant, steady tension.
Can a serpentine belt be used for an alternator?
If your vehicle has an alternator belt instead of a serpentine belt, this is the method you will need to use. Be careful not to damage the wiring going into the alternator. The alternator provides the power the engine needs to run through those wires. Slide the belt off of the pulleys and remove it from the car.
Can a manual tensioner be used to replace an alternator?
The belt tensioner will only travel (swing) so far which can make installing the belt difficult. Never pry or force the belt onto the pulley. Vehicles with a manual tensioner or the belt tightens with the alternator, there should about ½ inch of deflection in the belt between the pulleys with the greatest distance between them. 7
How do you tighten the belt on an alternator?
Tighten the alternator bolts. With the serpentine or alternator belt safely seated on the alternator pulley, use the same wrench you used to loosen to the bolts to tighten them again. As you tighten the bolts, the alternator will stop tipping forward, which will increase the tension on the belt.
Hold the tension from the belt, and slip the belt off the auto tensioner pulley to remove the belt and pulley system. Slowly release the tension to avoid damage or injury, and then remove the tool from the belt auto tensioner.
What should be the deflection between the drive belt and alternator?
Vehicles with a manual tensioner or the belt tightens with the alternator, there should about ½ inch of deflection in the belt between the pulleys with the greatest distance between them. Once the alternator, drive belt, and electrical connections are reinstalled, scan the work area and make sure nothing has been overlooked.
