Is the tensioner pulley supposed to spin?
Checking the Tensioner Spin the pulley to see if it spins freely. If you hear grinding or the pulley doesn’t spin freely, replace the tensioner. When you replace the belt, it should take a lot of muscle power to move the tensioner. If you can move it easily, the spring tension is most likely not tight enough.
How do I know if I need a new tensioner?
Listen for a fluttering” noise while driving or while the car is idling. This indicates the tensioner is too loose. Other noises such as squealing or whirling from the front of the engine mean the spring inside the tensioner is weakening. In this case, the belt tensioner needs to be replaced.
Should all pulley spin freely?
The only pulleys you should be able to turn by hand when the serpentine belt is not in place are: the water pump, alternator, and power steering pump pulleys. That you cannot rotate either cam or crankshaft pulleys by hand is completely normal. If you were able to rotate them bare handed, THEN you would have a problem.
How tight should tensioner bolt?
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.
Is a tensioner pulley bolt reverse thread?
The bolt for the tensioner pulley is left hand thread(reverse) The bolts for the tensioner assembly are regular threads.
How do you release a 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.
What kind of tool do I need to loosen a spring tensioner?
You may need a special tool, but many spring tensioners have a square hole, for a 3/8” or 1/2” breaker bar, or a hex or square protrusion for a wrench or socket. Using the appropriate tool, release tension on the belt.
How does a spring tensioner pulley loosen a belt?
Push the pulley toward the other pulleys or accessories, loosening the belt. Spring tensioner pulleys, as the name implies, use a spring to hold tension on the belt. Most, if not all, spring tensioner pulleys are NAI tensioners and include a hydraulic damper.
What kind of drive band does a spinning wheel use?
Many spinning wheels use a hemp (or cotton) drive band. When you purchase a wheel or need to replace a drive band, you need to size and tie the band properly so that it will fit correctly through the full range of whorl sizes and adjustments that you use. There are various ways to do it correctly; here is what we suggest:
How do you loosen a tensioner on an alternator?
To loosen an AI tensioner, such as an alternator, loosen the main mounting bolt, usually on the engine, and the locking bolt, usually on a bracket or arm. If equipped with a tensioner screw, back off the tensioner screw. Then, push the alternator toward the other pulleys, loosening the belt.