Chrysler Repair: Serp.belt came off--I need help, crankshaft pulley, crank pulley

Question
I have a 1991 Chrysler New Yorker 5th Ave, 3.3L V6.  The serpentine belt came off but it doesn't appear that there is any damage to the belt or any of the pullys.  Unfortunately there is no diagram under the hood and I don't have the owners manual to know how to route the belt.  I am looking for a diagram and any instruction on-line that may help me get the belt back on properly.

Thank you.  

Answer
Hello Erin,
I just got a manual for the '93 3.3L engine as used in the van models, and it shows a different serpentine belt pattern than for the one shown in the Haynes manual for 93-97 New Yorker models that I described earlier. Let me know if you still need a description of the path. Instead of a mechanical tightening system with an adjustable screw, this one shows a spring-loaded tensioner and a total of 7 pulleys in the route. I would be curious to know which of these you found to be applicable to your '91 New Yorker.
Roland


Hello Erin,
I have a drawing from the Haynes manual, but I don't own a scanner to send it to you. It looks like there are 6 different pulleys but the drawing doesn't label them all.
It clearly states that the adjustment is done at the alternator, and you have to loosen both the pivot bolt (around which the alternator swings) and the adjustment locking bolt on the opposite side that clamps the alternator to the adjustment slot. Once you do that, you turn the vertically positioned adjustment bolt that moves the alternator such as to slide the locking locking bolt up or down it the slot.
As for the route, it appears that the belt actually touches the crank pulley twice, on the bottom side and on the top side. Going clockwise around the route: from the underside of that crankshaft pulley the belt passes under a small pulley to the rear then up to the highest rear pulley (clockwise around that) then forward to pass over the top of the crank pulley and then counterclockwise around an adjacent pulley (perhaps a tensioner?) immediately next to the crank pulley, then up to the alternator (clockwise around that) and down to the lower front pulley (clockwise around that) and back to the underside of the crank pulley.
So loosen the alternator so the belt will fit on and see if that seems to work for you. Adjust the alternator so there is 1/4" free play between a pulley gap of 7 to 11 inches or 1/2" for a gap of 12 to 16 inches when you press on the belt with 10 pounds of pressure. Then tighten the locking bolt and pivot bolt on the alternator.
Roland