Exhaust Gas Recirculation Cooler
Exhaust Gas Recirculation Cooler
Removing
- Drain the coolant. Refer to => [ Draining and Filling ] Draining and Filling.
- Remove the upper left coolant pipe. Refer to => [ Upper Left Coolant Pipe ] Upper Left Coolant Pipe.
- Remove the upper right coolant pipe. Refer to => [ Upper Right Coolant Pipe ] Upper Right Coolant Pipe.
- Remove the oil filter housing. Refer to => [ Oil Cooler, Pressure Regulator Valve and Oil Filter Housing Overview ] Description and Operation.
- Loosen the clamp - arrow - and remove the connecting 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 -, loosen the bolt - 2 - and remove the turbocharger heat shield.
- Remove the bolts - 2 and 3 - and remove the connecting pipe.
• Ignore - 1 and 4 -.
- Remove the bolts - arrows - and remove the crankcase ventilation pipe - 1 - toward the rear.
- Remove the orange connector - 2 - for the 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 the 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 EGR cooler upward and off the cylinder block.
Installing
Installation is performed in reverse order of removal, noting the following:
• Replace seals and O-rings.
• Secure all hose connections using hose clamps appropriate for the model type, refer to the parts catalog.
- Install the intake flap motors.
- Install the oil filter housing. Refer to => [ Oil Cooler, Pressure Regulator Valve and Oil Filter Housing Overview ] Description and Operation.
- Remove the upper right coolant pipe. Refer to => [ Upper Right Coolant Pipe ] Upper Right Coolant Pipe.
- Remove the upper left coolant pipe. Refer to => [ Upper Left Coolant Pipe ] Upper Left Coolant Pipe.
- Fill the cooling system. Refer to => [ Draining and Filling ] Draining and Filling.