4 Runner Limited 2WD V6-3.4L (5VZ-FE) (1997)
Fuel Injector: Service Precautions
Fuel System
1. When disconnecting the high fuel pressure line, a large amount of gasoline will spill out, so observe these procedures:
(a) Disconnect the fuel pump connection
(b) Start the engine. After the engine has stopped on its own, turn the ignition switch to LOCK.
(c) Put a container under the connection.
(d) Slowly loosen the connection.
(e) Disconnect the connection.
(f) Plug the connection with a rubber plug.
2. When connecting the flare nut or union bolt on the high pressure pipe union, observe these procedures: Union Bolt Type:
(a) Always use 2 new gaskets.
(b) Tighten the union bolt by hand.
(c) Tighten the union bolt to the specified torque.
Torque: 34.3 N.m (350 kgf.cm, 25 ft.lbf)
Flare Nut Type:
(a) Apply a light coat of engine oil to the flare nut, and tighten the flare nut by hand.