A Wrench!! takes awhile and it is cramped but that is the way to do it!
how to release serpentine belt tensioner on 1991 C1500 Chevy Silverado?
There are two serpentine belts a/c timing etc. and alternator just release belt tensioner towards front of motor for outer belt and the secnd tensioner is located on the alternator
Look around the belt floating roller. Place a ratchet in the square hole and torque the ratchet. The tensioner will release.
There is a center bolt in the fixed end of the belt tensioner. To replace the tensioner: 1. Using a 3/8" breaker bar release the belt tension and move the serpentine belt out of the way. 2. Use the appropriate wrench to take out the one bolt, then remove the tensioner. 3. Install the replacement tensioner and tighten the bolt. 4. Put the serpentine belt back on.
Look in the engine compartment for the "serpentine belt" path & tensioner diagram. Release the belt tension at the tensioner, remove & reverse operation.
Disconnect the battery. Taking a ratchet and socket rotate the belt tensioner to release the belt. Remove the belt and install the new one. Release the tensioner, and connect the battery.
Release the pressure on the belt tensioner and belt should slide off pulleys
put a wrench on the tensioner pully and pull it to release tension on the belt
On the belt tensioner you will see a spot to insert a half inch drive breaker bar or ratchet to move tensioner off belt.
Serpentine belt replacement: (1)rotate the tensioner counterclockwise (2.3, 2.5 and 4.0 engines) or clockwise (3.0 engine) to lift it off the belt. Slip the belt off the pulleys. (2)Hold the tensioner in the released position. Install a new belt and make sure it is routed correctly. Be sure the ribs of the new belt engage the pulley ribs correctly. Release the tensioner. Manual adjustment is not required, it is done automatically by the tensioner. - Haynes Repair Manual Ford Ranger 1993 - 2005.
rotate the tensioner clockwisse to release belt tension. remove belt from the auxilarary components and slowly release tensioner. route the new belt over the various pulleys, again rotating tensioner to allow belt to be installed then release tensioner. These models have a drivebelt routing decal on radiator shroud to help during installation.
If it's the timing belt tensioner then you have to loosen the tensioner bolt and then use a 1/4 inch hex bit and turn the tensioner clock wise. Be sure to turn the tensioner only counter clockwise to retension and align the 2 pointers. The alternator or serpentine belt tensioner requires a 13 mm wrench to turn the tensioner counter clockwise to release the tension.