EGR Valve: Testing and Inspection
1. REMOVE EGR PIPE.
- Loosen the union nut of the EGR pipe.
- Remove the 2 bolts, EGR pipe and gasket.
2. REMOVE EGR GAS TEMPERATURE SENSOR.
3. REMOVE EGR VALVE.
- Disconnect the following hoses from the EGR valve:
- Vacuum hose
- Pressure hose
- Remove the 2 nuts, EGR valve and gasket.
4. INSPECT EGR VALVE.
- Check for sticking and heavy carbon deposits.
- If a problem is found, replace the EGR valve.
5. REINSTALL EGR VALVE.
- Place a new gasket on the intake air connector.
- Install the EGR valve with the 2 nuts.
Torque: 21 Nm (15 ft lb)
- Connect the following hoses to the EGR valve:
- Vacuum hose
- Pressure hose
6. REINSTALL EGR GAS TEMPERATURE SENSOR.
Torque: 20 Nm (14 ft lb)
7. REINSTALL EGR PIPE.
- Temporarily install the union nut of the EGR pipe.
- Install a new gasket and the EGR pipe with the 2 bolts.
Torque: 21 Nm (15 ft lb)
- Tighten the union nut of the EGR pipe.
Torque: 64 Nm (47 ft lb)