Exhaust Gas Recirculation Cooler
Exhaust Gas Recirculation Cooler
Removing
- Drain the coolant. Refer to => [ Cooling System, Draining and Filling ] Procedures.
- Remove the upper left coolant pipe. Refer to => [ Left Upper Coolant Pipe, Vehicles Built through 05.10 ] Left Upper Coolant Pipe, Vehicles Built Through 05.10.
- Remove the right upper coolant pipe. Refer to => [ Upper Right Coolant Pipe ] Upper Right Coolant Pipe.
- Remove the oil filter housing. Refer to => [ Oil Filter Housing ] Service and Repair.
- Loosen the clamp - arrow - and remove the exhaust gas recirculation pipe - 1 -.
- Remove the bolt - 1 - and the banjo bolt - 3 - and move the turbocharger oil supply line to the side.
• Ignore - 2 -.
- Remove the bolts - 1 - and - 2 - and then remove the heat shield from the turbocharger.
- Remove the bolts - 2 - and - 3 - and remove the exhaust gas recirculation pipe.
• Ignore - 1 and 4 -.
- Remove the bolts - arrows - and remove the crankcase ventilation pipe - 1 - toward the rear.
- Remove the connector - 2 - (orange) for EGR temperature sensor (G98) from the bracket and disconnect it.
• Ignore - 1 -.
- Remove the banjo bolt - 1 - and bolt - 2 - and move the coolant line to the side.
- Disconnect the connector - 1 -.
- Carefully push the linkage - 2 - off the ball studs - arrow -.
- Remove the bolts - 3 - and then remove the intake flap motor 2 (V275) - 4 -.
- Repeat the procedure on the other side of the vehicle.
- Disconnect vacuum hose - 1 -.
- Open the clamp - 2 - and remove the coolant hose.
- Open the clamp - 3 - and remove the coolant hose.
- Remove the bolts - arrows - and then remove the exhaust gas recirculation cooler upward and off the cylinder block.
Installing
Install in reverse order of removal. Note the following:
• For the correct tightening specifications, refer to => [ Exhaust Gas Recirculation Overview ] Exhaust Gas Recirculation Overview.
• Replace seals and O-rings.
• Secure all hose connections with hose clamps appropriate for the model, refer to the Parts Catalog.
- Connect the coolant hose to the coupling. Refer to => [ Connect the Coolant Hose to the Coupling ] Radiator Overview.
- Install the intake flap motor.
- Install the coolant pipe. Refer to => [ Coolant Pipes Overview ] Coolant Pipes Overview.
- Install the turbocharger heat shield and oil supply line. Refer to => [ Turbocharger Overview ] Turbocharger Overview.
- Install the oil filter housing. Refer to => [ Oil Filter Housing ] Service and Repair.
- Remove the right upper coolant pipe. Refer to => [ Upper Right Coolant Pipe ] Upper Right Coolant Pipe.
- Remove the upper left coolant pipe. Refer to => [ Left Upper Coolant Pipe, Vehicles Built through 05.10 ] Left Upper Coolant Pipe, Vehicles Built Through 05.10.
- Fill with coolant => [ Filling ] Procedures.