How to Replace Serpentine Belt - Toyota Landcruiser 100 Series / Lexus LX470

How to change the serpentine belt (AKA drive belt) on a Toyota Landcruiser 100 Series (model UZJ100R), or Lexus LX470, with 4.7L 2UZ-FE V8 petrol engine, year models 1998-2007. This engine can also be found in the Toyota 4Runner, Tundra and Sequoia models.
This ribbed V belt drives the waterpump/fan, alternator, power steering and air conditioning compressor.

Jump to section:
0:00 Introduction
00:18 Tools and parts
00:44 Removing engine cover and air intake tubing
02:40 Automatic belt tensioner markings explained
03:16 Removing old serpentine belt (drive belt)
03:57 Installing new serpentine belt
05:10 Checking belt tensioner position
05:19 Reinstating air intake tubing and engine cover
06:37 Final belt check (running engine)
06:49 Conclusion

Parts used:
Serpentine Belt – Toyota 90916-02586, comes labelled as Mitsuboshi 6PK2240
(Substitute for Toyota 90916-02463)
Belt specification:
6 = number of ribs
P = Metric
K = Automotive
2240 = Effective length of belt (mm)

Tools used:
10mm and 14mm metric sockets
Socket wrench with extension to suit above socket

Recommended Personal Protective Equipment (PPE):
- Safety glasses
- Gloves

All genuine part numbers were found by entering vehicle VIN number into PartSouq:
https://partsouq.com/

Disclaimer: At 2nd Gear Low, we love working on cars, but we are not trained mechanics. We like completing maintenance and modifications to all sorts of cars and filming it for your entertainment, but we can’t promise that you won’t harm yourself, someone else, your car or your warranty by trying this. Talk to a qualified mechanic if you are ever unsure about any part of a job that you choose to try yourself.