Fuel Pressure Release: Service and Repair
FUEL PRESSURE RELEASE1. When disconnecting the high fuel pressure line, a large amount of gasoline will spill out, so observe the following procedures:
(a) Disconnect the fuel pump connector.
(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 the following 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: 29 N.m (300 kgf.cm, 21 ft.lbf)
Flare Nut Type:
(a) Apply a light coat of engine oil to the flare nut and tighten the flare nut by hand.
(b) Using SST, tighten the flare nut to specified torque. SST 09631-22020
NOTICE: Do not rotate the fuel pipe, when tightening the flare nut.
Torque:
Fuel pump side: 28 N.m (285 kgf.cm, 21 ft.lbf)
Others: 30 N.m (310 kgf.cm, 22 ft.lbf)
HINT: Use a torque wrench with a fulcrum length of 30 cm (11.81 in.).