Sienna LE V6-3.0L (1MZ-FE) (1998)
Fuel Pressure Release: Service and Repair
PRECAUTION
1. BEFORE WORKING ON FUEL SYSTEM, DISCONNECT NEGATIVE (-) TERMINAL CABLE FROM BATTERY
HINT: Any diagnostic trouble code retained by the computer will be erased when the negative (-) terminal cable is removed from the battery.
Therefore, if necessary, read the diagnosis before removing the negative (-) terminal cable from the battery.
2. DO NOT SMOKE OR WORK NEAR AN OPEN FLAME WHEN WORKING ON FUEL SYSTEM
FUEL PRESSURE RELEASE PROCEDURE
(a) When disconnecting the high fuel pressure line, a large amount of gasoline will spill out, so observe these procedures:
(1) Put a container under the connection.
(2) Slowly loosen the connection.
(3) Disconnect the connection.
(4) Plug the connection with a rubber plug.
(b) When connecting the flare nut or union bolt on the high pressure pipe union, observe these procedures:
Union Bolt Type:
-
Always use 2 new gaskets.
-
Tighten the union bolt by hand.
-
Tighten the union bolt to the specified torque.
Torque: 29 N.m (300 kgf.cm, 21 ft.lbf)
Flare Nut Type:
-
Apply a light coat of engine oil to the flare nut and tighten the flare nut by hand.
-
Using SST, tighten the flare nut to specified torque. SST 09631-22020