You can't bypass with a belt alone. You have to by a bypass pulley kit. The new pulley takes the place of the ac compressor and you use the same size belt.
found this bypass pulley: http://www.1aauto.com/1A/ACBypassPulley/Dodge/GrandCaravan/1AEPM00050/1089407
To install an AC compressor bypass pulley on a 1998 Dodge Grand Caravan, first, disconnect the negative battery cable and remove the serpentine belt from the AC compressor. Then, unbolt the AC compressor to access the mounting area for the bypass pulley. Install the bypass pulley in place of the AC compressor, ensuring it is securely fastened. Finally, re-route the serpentine belt around the new pulley and reconnect the battery cable.
Bypass the air conditioning on a 1998 Dodge Stratus with a smaller serpentine belt.
Here it is:
You can do that by replacing the tensioner
88.50 in belt
no!
by taking it to a mechanic
With a compressor bypass kit from a part store.
There should be a diagram under the hood for that year.
Go to www.autozone.com and look under specifications, belt routing. On a 1989 Dodge Grand Caravan, the diagram is on the side of the engine where the S-belt is located.
Not sure ,but it costs $115 to change mine on my 1998 Dodge Durango.