Avalon XL V6-3.0L (1MZ-FE) (1997)
EGR Valve: Testing and Inspection
EGR VALVE REMOVAL
1. REMOVE EGR PIPE
Remove the 4 nuts, EGR pipe and 2 gaskets.
INSTALLATION HINT: Install 2 new gaskets.
Torque: 12 N.m (120 kgf.cm, 9 ft.lbf)
2. DISCONNECT EGR GAS TEMPERATURE SENSOR CONNECTOR AND CLAMP
3. REMOVE EGR VALVE
(a) Disconnect these hoses and connector:
(1) EVAP hose from EGR valve hook
(2) Vacuum hose from EGR valve
(3) EGR valve position sensor connector
(b) Remove the 3 nuts, EGR valve and gasket.
INSTALLATION HINT: Install a new gasket.
Torque: 12 N.m (120 kgf.cm. 9 ft.lbf)
4. REMOVE EGR GAS TEMPERATURE SENSOR
Torque: 20 N.m (200 kgf.cm, 14 ft.lbf)
EGR VALVE INSPECTION
Check for sticking and heavy carbon deposits. If a problem is found, replace the EGR valve.