The glass on my left side towing mirror is loose and I would like to know how to tighten the glass, it is on a 2001 Dodge Ram 2500,

You are able to tow a 20,000lb fifth wheel trailer max!

Best Manuals Greetings, I read your question and I think Reliable-Store can help you in this. Here's the site link.

2001 Dodge Truck RAM 2500 3/4 ton 4WD 5.9L Turbo Diesel 6cyl the Fuel Filter is located under hood, passenger side, lower engine area, mounted above starter.

2001 Dodge Truck RAM 2500 3/4 ton 4WD 5.9L SFI 8cyl the Fuel Filter is located under vehicle, center, below seating area, mounted on top of fuel tank, in fuel pump module.

Hope helps with this (remember rated the help).

pop the panel off then unsrecw the nuts and unplug the wire

put a chip in it and it will show you something that will blow your mind i promise
all dodges come like that from facter

To replace the driver side mirror glass only, Grasp the side view glass only and pull off carefully. It is attached with clips and should come off pretty easy. Install new glass, lining up the clips and carefully push in. It is recommended you use a towel cloth over the glass for cushion and safety.

take door pannal off there should be 3 bolts in the inside of the door where mirror sits unless its the reflection peace where you have to just get a new mirror

On the inside of the door the mirror is mounted in behind the garnishing. You will have to open it up with a small screw driver...

are you trting to tighten the mirror glass or the mirror where it attaches to the body? I don't think glass is removable in 99. Only can try to press on glass to seat if unseated. not too hard.

1. Remove the front door trim panel; refer to Section 501-05 .
2. go to car-part.com for a used mirror. Page with * is cheapest seller.

1. Remove the speaker.
   1. Remove the screws.
   1. Disconnect the electrical connector.
   1. Remove the speaker.

1. Remove the outside rear view mirror (17682).
   1. Disconnect the power mirror wiring clips.
   1. Remove the outside rear view mirror nuts.
   1. Remove the outside rear view mirror.
      • Feed the power mirror wiring through the opening in the front door (20124).

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SECTION 501-09: Rear View Mirrors 2001 Explorer/Mountaineer Workshop Manual
REMOVAL AND INSTALLATION Exterior Mirror Glass, 2001 model Removal
NOTE: Exterior mirror glass is serviceable only on vehicles built after July of 2001.
NOTE: Passenger side exterior mirror shown, driver side exterior mirror similar.
All mirrors

1. Position the glass in the full up position.

1. Locate the notch at the bottom of the exterior mirror glass.

1. Release the exterior mirror glass.
   1. Insert a long flat-bladed screwdriver in the notch.
   1. Push the screwdriver into the notch until the glass is released.

Heated mirrors

1. Position aside the exterior mirror glass.

1. Disconnect the electrical connectors.

All mirrors

1. Remove the exterior mirror glass (17K707) passenger side or (17T675) driver side.

Installation
Heated mirrors

1. Connect the electrical connectors.

All mirrors

1. Position the exterior mirror glass on the exterior mirror motor.

1. Place a hand against the back of the exterior mirror housing and a hand flat against the exterior mirror glass. Press the glass in place until fully seated.

simple there are 3 nuts 8mm or 10 mm one the backside of those mirrors. sometimes ya just pop off the upper trim on the inside of the door. sometimes you have to remove the whole door panel and that little triangle piece to access the nuts.