EGR Valve: Testing and Inspection

EGR VALVE INSPECTION
1. REMOVE EGR PIPE.



(a) Loosen the union nut of the EGR pipe.
(b) Remove the 2 bolts, EGR pipe and gasket.

2. REMOVE EGR GAS TEMPERATURE SENSOR.
3. REMOVE EGR VALVE.
(a) Disconnect the following hoses from the EGR valve:



(1) Vacuum hose
(2) Pressure hose



(b) 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.



(a) Place a new gasket on the air intake chamber.
(b) Install the EGR valve with the 2 nuts.

Torque: 21 Nm (15 ft.lb)

(c) Connect the following hoses to the EGR valve:



(1) Vacuum hose
(2) Pressure hose

6. REINSTALL EGR GAS TEMPERATURE SENSOR.

Torque: 20 Nm (14 ft.lb)

7. REINSTALL EGR PIPE.



(a) Temporarily install the union nut of the EGR pipe.
(b) Install a new gasket and the EGR pipe with the 2 bolts.

Torque: 21 Nm (15 ft.lb)

(c) Tighten the union nut of the EGR pipe.

Torque: 64 Nm (47 ft.lb)