2UZ-FE Timing Belt Replacement | Toyota 4Runner Tundra Sequoia Lexus GX470

This is a general overview of replacing the timing belt for the Toyota 2UZ-FE which is found in the Toyota 4Runner Tundra Sequoia Lexus GX470.

This instructable is taken from this full step by step Timing Belt and Water Pump replacement video from PoorManMods

Tools required for this job:

Basic hand tools

Small Torque wrench

Big Torque wrench

Harmonic balancer puller

Toyota Crank Pulley holder tool

Timing belt kit used

Drain the coolant

Remove the radiator hoses

Remove intake tube

Remove the radiator fan

Disconnect the AC compressor from the engine but do not disconnect the AC hoses from the compressor

Remove power steering pump

Remove alternator

Remove radiator fan bearing bracket

Remove timing belt covers

Remove crank bolt, if you get a lucky a stubby impact wrench will get the bolt out, but you may need to use the toyota harmonic balancer holder tool that was linked to at the beginning of this instructable

Remove the harmonic balancer with a harmonic balancer removal tool which was linked to at the beginning of this instructable

Reinstall the crank bolt and position the engine to top dead center, aligning the cam shaft marks and the mark on the crank

Remove the timing belt tensioner then the belt

According to Toyotas recommendation for easier belt installation, when looking at the engine, rotate the left(passenger side) cam gear 1 tooth past the timing mark, and the right(driver side) cam gear half a tooth past the timing mark

Install the new timing belt

Install the new belt tensioner

Rotate the engine at least 2 full revolutions and make sure the timing marks on the cam gears and crank still line up at top dead center.

Install the crank sensor trigger wheel

Install the harmonic balancer

Using either the toyota harmonic balancer holder tool link above, or by making your own tool, hold the harmonic balancer and torque the crank bolt to 180 ftlb

Now the hard part is over you can now relax and coast the rest of the way through this job! Reinstall all of the covers, accessories and hoses that you previously removed. And youre done!