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1997 Toyota 4 runner W/3.4 liter engine 4wd auto. Here i demonstrate the replacement of the timing belt water pump. It’s not to bad of a job.

Describes the operation of the Toyota VVT-iE or variable valve timing with Intelligence Electronic. This is Toyota’s highest state of the art variable valve timing system, which uses a small electric motor/actuator to advance or retard the valve timing. By varying the speed of the motor, the system is able to change follow the CAM [...]

Intake Hose

The hose between the air cleaner and the throttle body has to absorb all the engine movement. As the engine mountings wear, and the rubber begins to perish, the hose may start to crack.
If the hose lets air in, the engine will run lean and may refuse to start when cold.
Inspect the hose carefully [...]