Exhaust Gas Recirculation (EGR) Valve

Exhaust Gas Recirculation (EGR) Valve

Removal
1 Disconnect the battery ground cable. For additional information, refer to Battery Disconnect and Connect Battery Disconnect and Connect
2 Remove the engine cover. For additional information, refer to Engine Cover - 4.2L, Vehicles Without: Supercharger Service and Repair




3 Disconnect the EGR valve electrical connector.




4
WARNING: Since injury such as scalding could be caused by escaping steam or coolant, allow the vehicle cooling system to cool prior to carrying out this procedure.
CAUTION: Always plug any open connections to prevent contamination.
Disconnect the 2 EGR valve coolant hoses.
- Clamp the EGR coolant hoses to minimize coolant loss.
- Release the 2 clips.




5 Release the EGR valve to exhaust manifold pipe.
- Remove the 2 nuts.
- Remove and discard the gasket.




6 Release the EGR valve from the throttle body elbow.
- Remove the 2 bolts.
- Remove and discard the gasket.




7 Remove the EGR valve.
- Remove the 2 bolts.
- Remove and discard the gasket.

Installation





1 Attach the EGR valve to the EGR valve pipe.
- Clean the component mating faces.
- Install a new gasket.
- Tighten the bolts to 21 Nm (15 lb.ft).




2 Attach the EGR valve to the throttle body elbow.
- Clean the component mating faces.
- Install a new gasket.
- Tighten the bolts to 10 Nm (7 lb.ft).




3 Attach the EGR valve to exhaust manifold pipe.
- Clean the component mating faces.
- Install a new gasket.
- Tighten the nuts to 25 Nm (18 lb.ft).




4 Connect the coolant hoses.
- Secure with the clips.




5 Connect the electrical connector.
6 Install the engine cover. For additional information, refer to Engine Cover - 4.2L, Vehicles Without: Supercharger Service and Repair
7 Connect the battery ground cable and install the cover. For additional information, refer to Specifications [1][2]Battery
8 Check and top-up the coolant.
9
NOTE:
For NAS vehicles only.
If required, carry out a long drive cycle.For additional information, refer to Powertrain Control Module (PCM) Long Drive Cycle Self-Test Powertrain Control Module (PCM) Long Drive Cycle Self-Test