This is a helpful repair that your company stocks all the parts to fix this problem, there's thousands on line repair forums trying to correct this problem, you have the parts and need to package this for the complete repair.Belts slip out thousands of minivans by Chrysler and the help forums are all over the place. here's my fix, Parts needed from you is the tensoiner assembly, idler pulley,new belt and most important the pulley shield.

Light Duty
Part No: 89006
Warranty: 1 YEAR REPLACEMENT IF DEFECTIVEx RemoveUpdatePick Up At
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$18.29
Add'l Discount: -$5.15
$13.14
Dayco No Slack Automatic Belt Tensioner, Light Duty
Part No: 89251
Warranty: 1 YEAR REPLACEMENT IF DEFECTIVEx RemoveUpdatePick Up At
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$42.89
Add'l Discount: -$12.09
$30.80
Dayco Poly Rib Poly-Rib® Belt
Part No: 5060968
Warranty: 3 YEAR REPLACEMENT IF DEFECTIVEx RemoveUpdatePick Up At
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$36.79
Add'l Discount: -$10.37
$26.42
Dorman - Help Power Steering Pulley Shield Kit - Chrysler 2000-97
Part No: 82570
Warranty: 30 DAY REPLACEMENT IF DEFECTIVEx RemoveUpdatePick Up At
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$8.49
Add'l Discount: -$2.39
$6.10

Super Special note you have the shield listed wrong on your site, should be as stated on package Serpentine belt Anti Slip Shield, see photo's to update this product info and pass this on to all employees and add a note to your system that this is the fix to save problems in the future

 

Oh Yea use discount code A123 at checkout online and then pickup in store