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.
How much does it cost to replace timing chain tensioner?
The average cost to replace timing chain tensioner is around US$1000 to US$1600. In which the service is around US$600 to US$1000 while aftermarket auto parts are estimated between US$450 and US$600.
What would cause a tensioner to go bad?
Pulley Damage Any damage to the automatic tensioner pulley can cause damage to the belt tensioner due to the vibrations caused by the pulley. Physical damage to the pulley is an indication of extreme tension or physical interference.
How much does it cost to fix a belt 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. Taxes and fees are not included in the estimate.
How often should I replace my timing belt?
Even if your timing belt isn’t looking all that bad, it should still be replaced approximately every 60,000 miles. Sometimes, signs of wear aren’t immediately apparent. When you replace the timing belt and tensioner, your mechanic may also recommend replacing the idlers and the water pump.
What causes the timing belt and idler to fail?
Misalignment of the timing belt can cause premature failure of the idler pulley or the pulley on the tensioner, as well as the belt. Generally, this indicates that the tensioner or idler is not attached to the mounting location on the engine correctly or the bearings for the tensioner, idler or both, have worn and have excess “play”.
What to do if your idler and tensioner are not working?
With the timing belt removed, check for side to side play or “rocking” on both the idler pulley and tensioner pulley. Replace if any movement is detected. With the timing belt removed, check both the idler and tensioner pulleys for roughness when rotating the bearing. The idler & tensioner should spin freely and smoothly.
When does a drive belt tensioner need to be replaced?
There aren’t a lot of warning signs that a drive belt tensioner has hit the end of its lifespan, in fact there is really only one. Once you start to hear a grinding or squeaking sound coming from your engine, it’s time to have the drive belt tensioner looked at.