EGR Valve: Service and Repair
EGR VALVE REMOVAL1. REMOVE EGR PIPE
- Remove the 4 nuts, EGR pipe and 2 gaskets.
INSTALLATION HINT: Install 2 new gaskets.
Torque: 12 Nm (120 kgf.cm, 9 ft.lb)
2. DISCONNECT EGR GAS TEMPERATURE SENSOR CONNECTOR AND CLAMP
3. REMOVE EGR VALVE AND VACUUM MODULATOR ASSEMBLY
- Disconnect these hoses:
(1) Vacuum hose from P port of EGR vacuum modulator
(2) Vacuum hose from Q port of EGR vacuum modulator
(3) Vacuum hose from R port of EGR vacuum modulator
(4) Vacuum hose from EGR valve
- Remove the 3 nuts, EGR valve and vacuum modulator assembly and gasket.
INSTALLATION HINT: Install a new gasket.
Torque: 12 Nm (120 kgf.cm, 9 ft.lb)
4. SEPARATE EGR VALVE AND VACUUM MODULATOR
- Remove the bolt and disconnect the EGR vacuum modulator.
Torque: 12 Nm (120 kgf.cm, 9 ft.lb)
- Disconnect the pressure hose from the EGR valve and remove the EGR vacuum modulator.
5. REMOVE EGR GAS TEMPERATURE SENSOR
Torque: 20 Nm (200 kgf.cm, 14 ft.lb)
EGR VALVE INSPECTION
Check for sticking and heavy carbon deposits.
If a problem is found, replace the EGR valve.
EGR VALVE INSTALLATION
INSTALLATION HINT: Installation is in the reverse order of removal.
- REFER TO INSTALLATION HINTS ABOVE.