I need the diagram of serpentine or belt how it goes to take it tommorrow to my mechanic since he doesnt really know how it goes

Qiuk has posted in the past.

A search may find it.

Please Somebody Help Me!!!

Component Locations —3.9L

Item Part Number Description
1 8C647 Hydraulic fan pump pulley
2 19A216 Belt idler pulley—unflanged
3 8509 Water pump pulley
4 3D673 Power steering pump pulley
5 19D748 A/C clutch pulley
6 6B209 Drive belt tensioner
7 6316 Crankshaft vibration damper
8 19A216 Belt idler pulley—flanged
9 10A352 Generator pulley
10 8620 Drive belt


Belt Removal
1. Remove the air cleaner outlet tube. For additional information, refer to Section 303-12 .
2. Rotate the tensioner counterclockwise and remove the drive belt from the pulley.

3. Remove the belt tensioner. For additional information, refer to Belt Tensioner in this section.


Belt Installation
1. CAUTION: Incorrect drive belt installation will cause premature drive belt failure.

NOTE: Make sure the drive belt (8620) is correctly installed on each pulley.


• Refer to component locations —3.9L for correct drive belt routing.


Belt Tensioner
Removal
1. Position the drive belt out of the way. For additional information, refer to Belt—3.0L or Belt—3.9L in this section.
2. NOTE: The 3.9L is shown, and the 3.0L is similar.
Remove the bolt and the drive belt tensioner.

Installation
1. NOTE: Make sure locating pins are aligned with the holes in the front cover, and the belt is installed around the belt tensioner pulley.
To install, reverse the removal procedure.

Seems to me that if your mechanic does not have the resources to figure this out on his own, you should find another mechanic.

What about that photo of your car in front of a gorgeous Lincoln dealership in San Juan? Can't they do this job?

I was thinking the same thing.