Landcruiser 4WD L6-4.5L (1FZ-FE) (1993)
Thermal Vacuum Valve for EVAP: Testing and Inspection
INSPECTION
1. Drain engine coolant.
2. Remove thermal vacuum valve from cylinder head.
-
Disconnect the 2 vacuum hoses.
-
Remove the thermal vacuum valve.
3. Inspect thermal vacuum valve operation.
-
Cool the thermal vacuum valve to below 45°C (11 3°F) with cool water.
-
Check that air flows from pipe J to the air filter.
-
Heat the thermal vacuum valve to above 64°C (i47~F) with hot water.
-
Check that air flows from pipe J to pipe K. If operation is not as specified, replace the thermal vacuum valve.
4. Reinstall thermal vacuum valve.
-
Apply adhesive to 2 or 3 threads of the thermal vacuum valve, and install it.
Torque: 29 Nm (22 ft lb)