The serpentine belt you can look at the diagram in your engine compartment for actual routing.
The tensioner mounts to the left side of the engine. You need to unbolt the whole assembly.
Actually, the belt can be loosened by tightening the bolt of the tensioner pulley. When fully tightened, the pulley will act as a swivel.
How long will it take to replace a belt tensioner unit and serpentine belt in a lexus 1996 sc300?
loosen the tensioner bracket, remove old belt. replace with new belt. tighten with tensioner. job complete!
Near the top of the serpentine belt path is a belt tensioner; it is spring loaded and has a shinney pulley on it. Insert a wrench into this tensioner and pull against it and the tension will be released so you can replace your belt. I am assuming your question is about the serpentine belt.
See "Related Questions" below for a discussion regarding the serpentine belt tensioner and pulley. Pretty comprehensive coverage.
Idler pully.
I think it has a serpentine belt,at least mine does You can put a 15mm wrench on the tensioner and pull it toward you, the belt will slide right off.
You need to turn the automatic(spring loaded) tensioner to release pressure on the belt... the library may have a manual for the details free dave
The procedure for changing the tensioner is to first remove the belt. Remove the two bolts holding the tensioner to the engine block. This may require you to remove the bolts through the wheel well, via the access hole in the firewall. Once the bolts are removed, change out the new tensioner for the old one, and repeat the process in reverse.
I can send the instructions to you by mail
It should have an tensioner pulley on it. A spring loaded arm that puts pressure against the belt as it travels. You may need to replace the pulley and spring if it is failing and allowing the belt to slip off.
there is no way to tighten your belt it has an automatic belt tensioner if it is making noise it may be the tensioner or the belt also check to see if it routed correctly
Note:The drivebelt routing decal on the radiator shroud to help during drivebelt install * To replace the belt rotate the tensioner pulley clockwise to release belt tension * Remove the belt from the auxiliary components and slowly release the tensioner * Route the new belt over the various pulleys again rotating the tensioner to allow the belt to be installed then release the belt tensioner