Price for installing a serpentine belt for a 2004 toyota avalon

SOURCE: 2004 Toyota Camry Solara- Serpentine Belt Instalation Instructions

When your hood is open look on the underside of the hood or on the top crossmember. around the top of the radiator. and there should be a little white sticker that shows how to route the belt.

SOURCE: serpentine belt

Here is the one for the 3.9 engine, if you have the other one let me know.

SOURCE: Installation of 2004 Toyota Avalon cabin filter

I will be happy to provide you with the instructions.

Open the glove box.

Remove all of the contents.

Observe the right side of the glove box door, you will see a black plastic thing/arm that is connected to a cylindrical device; Remove the arm from the glove box door.

After the arm is disengaged from the glove box door. squeeze the sides of the glove box towards the middle, to defeat the 2 stops that prevent the glove box from falling completely open.

Whilst squeezing the sides of the box inward, lower the glove box door down.

With a flashlight, look into the area behind the glove box. You will see a long rectangular device, this is the door/tray for the cabin air filter. Pull it out, towards you. Once it is out, you will be able to extract the dirty filter, and replace it with a new one.

This entire procedure should take you about 3 minutes. Very easy.

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SOURCE: how to change serpentine belt, 2004 Toyota Tundra

locate tensioner pulley; release tension from belt; remove belt; make sure not to forget how the belt is routed; route belt around all pulleys but tensioner; put tension on tensioner pulley; route belt over tensioner pulley

SOURCE: how to change serpentine belt on 207 toyota camry

4 cylinder diagram
6 cylinder diagram
Loosen the tensioner pulley to remove the belt. It is the one that has a long bolt running through it. Once you remove the old belt, install the new one using the appropriate diagram from the above two links. Readjust the tension using the bolt you loosened to remove the old belt.

i hope this helps
matthew