What does a bad belt tensioner sound like?
Grinding or squeaking noise from the belts or tensioner
If the tensioner is loose the belts may squeak or squeal, especially when the engine is first started. It is also possible for the tensioner pulley or bearing to wear out, in which case the vehicle will produce a grinding noise from the pulley.
Can you fix a tensioner pulley?
Unscrew the bolt holding the tensioner pulley in place with a socket wrench. Pull the tensioner away from the engine. Replace the tensioner pulley with a new one. Push the bolt in and tighten it with the socket wrench.
How do you release tension on a tensioner pulley?
If equipped with a tensioner screw, back off the tensioner screw. Then, push the alternator toward the other pulleys, loosening the belt. To loosen an NAI tensioner, loosen the locking nut or bolt, then back off the tensioner screw. Push the pulley toward the other pulleys or accessories, loosening the belt.
Can I drive with a bad tensioner?
A failing belt tensioner can also cause problems in the water pump. … The air conditioning compressor may also fail to work if there is an issue with the belt tensioner. If this happens, then you will be driving without your air conditioning. It should be okay if you are cruising.
How much does it cost to fix a belt tensioner?
Know what price you should pay to get your vehicle fixed.
The average cost for a drive belt tensioner replacement is between $213 and $242. Labor costs are estimated between $74 and $93 while parts are priced between $139 and $149 . Estimate does not include taxes and fees. When would you like to drop off your car?
Can you drive with a bad idler pulley?
So, how long can you drive with a bad idler pulley? The safety recommendation is not to drive the car at all and take it to a mechanic immediately. You should be concerned if the vehicle makes squeaking or rattling noises. The car can still run for months or break after a few days.
Why is my tensioner shaking?
Excessive tensioner arm oscillation
Cause: If large swings occur or continual oscillation is evident, the damping system or spring torque has most likely failed. Another possible cause can be torsional vibration damper or overrunning alternator pulley failure.
Can you drive without an idler pulley?
The good news is that replacing the idler pulley mounting bracket is easy. The idler pulley is an important component of the drive belt system of any car. Without it, you might not even be able to start your car, use your AC, and even steer the vehicle.
Is the belt tensioner supposed to move?
It’s somewhat normal for the tensioner to move. The belt is rubber after all and it stretches and retracts like a rubber belt should.
Can you adjust a belt tensioner?
Not all types of drive belt systems can be adjusted. Cars equipped with an automatic belt tensioner adjust themselves over time and do not require adjustment. This article shows you the process to adjust drive belts on a pivot-style belt adjuster. … To check the condition of your drive belt Signs Your Drive Belt is Worn.
When should I replace my belt tensioner?
It should be noted that the drive belt itself will most likely need replacing before the tensioner does. Drive belts typically last anywhere between 40,000 and 70,000 miles. 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.
How much does it cost to replace serpentine belt Nissan Altima?
The average cost for a Nissan Altima serpentine belt replacement is between $96 and $113. Labor costs are estimated between $51 and $64 while parts are priced between $45 and $49 . Estimate does not include taxes and fees.
How do you diagnose a squealing belt?
One method to determine if the noise is a chirp or squeal is to use a water squirt bottle and spray the rib side of the belt while the vehicle is running. If the noise gets louder, it’s a squeal. If the noise goes away, it’s a chirp.