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How long does it take to replace a belt tensioner?
It should only take about an hour of work for the replacement, but sometimes it can be more, which can drive up the labor costs, and that varies from one car to the next.
Can you replace a belt tensioner yourself?
Serpentine belt replacement is easy because today’s automatic drive belt tensioners eliminate the need to loosen bolts or pry components into position for retensioning. Just rotate the tensioner, remove the old belt and install a new one.
How do you change a belt tensioner?
How to replace an accessory tensioner in 8 easy steps
- Draw a sketch or take a picture of the belt routing.
- Unload the belt from the tensioner by rotating the tensioner.
- Remove the old tensioner from the engine.
- Place the new tensioner on the engine.
How much does it cost to replace a tensioner belt?
The average cost for a drive belt tensioner replacement is between $211 and $239. Labor costs are between $73 and $93, while parts are priced between $138 and $146. Taxes and fees are not included in the estimate.
Can you replace just the pulley on a tensioner?
The tensioner pulley is on the end of a spring-loaded 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.
How do you replace a serpentine belt pulley?
Many have a ½” square cast into the tensioner arm, in which you insert a ½” breaker bar, or Belt Tensioner Tool to relieve the tension. Many others, you use a socket on the pulley itself to do this. Use a ratchet or breaker bar that fits into the bolt and release the tensioner.
Where is the tensioner on a serpentine belt?
Your diagram should indicate where the tensioner is located. Use your ratchet and socket to rotate the belt tensioner to relieve tension on the belt. Then slip the serpentine belt off one of the pulleys. If you need more leverage, use a breaker bar.
Why does my O’Reilly serpentine belt slip?
If the tensioner isn’t supplying enough tension, or if the serpentine belt is worn down, the belt may slip and create excessive heat or belt noise. Keep in mind that the serpentine belt, tensioner and idler pulleys were designed as a system.
Can a bad belt tensioner cause a belt to break?
The belt can break due to a number of reasons, but the most common is age. One other common problem is the belt tensioner. If the tensioner is bad, it can cause the belt to come loose or cause the pulley to seize, making the belt come off.