How do you change a serpentine belt on a Toyota Highlander?
- Park the vehicle in the well lighted work space and open the hood.
- Remove cover from over the alternator with your adjustable wrench.
- Locate the hexagon bolt in the middle of the alternator.
- Pull the belt off of the alternator and continue removing it from around the other pulleys.
Also to know is, where is the belt tensioner located?
That is the big long belt in the front of your engine. The tensioner rides on the outside surface of the belt to put pressure, or tension, on the belt and against the pulleys that drive things like the alternator, power steering, air conditioner, etc.
Similarly, how do you loosen 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.
Also question is, when should I replace my drive belt?
Serpentine belts are built to last—much longer than before because of advancements in rubber technology. Under ideal conditions, a belt should stick with you for an average of 60,000 to 100,000 miles.
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 estimated between $73 and $93 while parts are priced between $138 and $146. Estimate does not include taxes and fees.