Tundra 2WD V6-3.4L (5VZ-FE) (2004)
a. Observe these precautions when removing and installing the injectors.
1. Never reuse the O-ring.
2. When placing a new O-ring on the injector, take care not to damage it in any way.
3. Coat a new O-ring with spindle oil or gasoline before installing-never use engine, gear or brake oil.
b. Install the injector to the delivery pipe and lower intake manifold as shown in the illustration.
Before installing the injector, must apply spindle oil or gasoline on the place where a delivery pipe or an intake manifold touches an O-ring of the
injector.