How much does it cost to replace a serpentine belt and tensioner?

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.

What does an old timing belt sound like?

A failing bad timing belt sounds like a ticking noise in front of your car when it starts wearing out. If the belt eventually breaks, it will give a whining noise when trying to start the engine. A whining noise sounds like no compression in the engine.

How can you tell if a pulley is bad?

Signs of a Bad Idler Pulley

1. Squealing. When the engine is idling, a bad pulley may make a squealing sound.
2. Frozen. The bearings in a pulley may cause the pulley to freeze or in some cases hard to spin.
3. Belt Travel.
4. Pulley Mounting.

Should I replace tensioner with serpentine belt?

There is no recommended timeframe in which to replace your tensioner, especially as the belt itself usually needs replacing before the tensioner does. However, you should inspect your tensioner each time you service your car to monitor its condition and replace it if necessary.

Should I replace the tensioner when I replace the serpentine belt?

Tensioners add pressure from an adjustable pivot point or spring mechanism to keep your serpentine belt taut as it circulates around the engine. There is no recommended timeframe in which to replace your tensioner, especially as the belt itself usually needs replacing before the tensioner does.

Should I replace idler pulley and tensioner?

If there is any wobble, squeak, or undue friction, the idler pulley should be replaced. The best way to maximize the idler pulley’s lifespan is to maintain proper tension on the serpentine belt and replace belts with new ones whenever required.

Do I need to replace tensioner with serpentine belt?

How much does a mechanic charge to replace a serpentine belt?

A typical serpentine belt start at around $25 and goes up to $75 at most. If you know some car repair basics, you could change the belt yourself, and it may save you paying labor charges somewhere between $75 and $120. All together, you’re looking at around $100 to $195 to replace your serpentine belt.