Do you need to replace a tensioner pulley?

Do you need to replace a tensioner pulley?

Replace a Spare part Tensioner pulley – a defective one or if the limit of use has been already reached. Find out useful information about Tensioner pulley This belt drive component is located on the floating axle. It is necessary to maintain the belt tension and to increase the angle of contact of the small pulley.

How big is the inlet on a tensioner pulley?

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.

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 replace a pulley in an engine?

Turn the pulley bolt counterclockwise with a ratchet and a socket. Remove the bolt, the retaining washer and the pulley. Replace the pulley, washer and bolt and tighten to specified torque illustrated in the repair manual. Replace the tensioner in the engine and replace the bolt. Tighten to specified torque.

Can a pulley be replaced on a tensioner?

The tensioner’s job is to apply the correct amount of tension to the serpentine belt by employing an internal coil spring. The pulley is then attached to the tensioner and acts as a guide for the tensioner to function. In most vehicle applications, the pulley can be disconnected from the tensioner and then replaced.

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.

Turn the pulley bolt counterclockwise with a ratchet and a socket. Remove the bolt, the retaining washer and the pulley. Replace the pulley, washer and bolt and tighten to specified torque illustrated in the repair manual. Replace the tensioner in the engine and replace the bolt. Tighten to specified torque.

How much does it cost to replace idler and tension pulleys?

The tensioner will cost about $40 to $50 depending on where you buy it and shipping costs. The idler pulleys cost between $15 and $30. A serpentine belt can cost between $35 and $50 depending on the brand of belt you’re buying. If you take it to shop, expect to pay another hundred dollars or so for installation.