Put an appropriate sized wrench on the bolt through the tensioner pulley,turn to the right, and that should take the spring pressure off enough to get the new one on.
Loosen the tension on the belts, unbolt the old one, bolt in the new one, and retighten the belts.
You must first loosen the alternator, do not remove it. remove the alternator tension screws top and loosen the bottom screws DO NOT REMOVE push the alternator toward engine, for the a/c belt you must loosen the belt tension pulley and move it. replace in reverse order
there are 3 belts total.
The belts are located on the passanger side of the car. The way the belts keep tension are by bolts. It's a squeeze to get your hand down in there, and I think I used a ratchet with an extension. Although the belt may not loosen right away after you lossen it up, this is how to loosen them. You might ave to push on the belt and the tension location. FYI the serpetine belt is on the inside, so to replace it you have to take BOTH belts off to replace the one. I know, it sucks. ETA for serpetine replacement is prob 25-45 minutes give or take if its rusted or not.
Put you car on jack stands, remove the right wheel. Loosen the tension pulley for the accessory belt (AC, alternator). Remove the belt. Loosen the tension pulley for the power steering, remove the belt. Install a new belt, and set proper tension. If you do not have a tool to measure tension, use rule of thumb. When the belt is under proper tension you should be able to twist only 3/4 of full twist. Do the same for the accessory belt.
loosen up the bracket that holds the tension on the belts then tigten up the adjustement bolts that pull the bracket then re tighten the bolts.
you will need to loosen the bolt that hold the tensioneer back a little to slide it down so you can reach all belts around pulley. reverse the procedure after belts is on then use the ratchet or pry bar to thighten. good luck
Break loose the Lock nut, with a 1/2" wrench or socket, and use a 10mm socket to loosen the longer tension bolt, and the belt will fall off
To take off a "V" belt: 1. Loosen the adjuster bolt and the mounting bolt. 2. Move the driven item aside to loosen the tension on the belt, the belt should now come off of the pulley. If the belt you want to remove is behind still other belts, those belts will come off in the same manner.
One has to tension belts and chains according to what torque is needed on an engine. The tension varies upon each engine. If one needs this done one should look into a mechanic.
Break loose the Lock nut, with a 1/2" wrench or socket, and use a 10mm socket to loosen the longer tension bolt, and the belt will fall off
Just slightly different than on lesser cars: Saabs have two alternator belts that run in parallel. This belt pair also drives the water pump, so they wanted to be sure you wouldn't get stranded. But it's pretty easy: your alternator runs on an adjustment track. Loosen both bolts and pivot the alternator so you can get the belts off. Look how they're routed before you remove them. If you have AC the belt for that is blocking in your alternator belts, so loosen the compressor and take it off. Then put the new belts you bought in place, tension the alternator (I stick a broomstick between the alternator and engine, and pry the belts tight), tighten both bolts, tension the AC compressor and tighten it, and you're done.