Exhaust Gas Recirculation Auxiliary Cooler

Exhaust Gas Recirculation Auxiliary Cooler

Removing

- Drain the coolant. Refer to => [ Cooling System, Draining and Filling ] Procedures.

- Remove the bolt - arrow - on the preliminary catalytic converter strap.






- Carefully pull the engine cover - arrows - off the 4 bolts one after the other.






- Remove the bolts - 1 and 2 - and then remove the heat shield from the turbocharger.






- Remove the nuts - arrows -.






- Remove the preliminary catalytic converter from the turbocharger and push it toward the rear.

- Remove the bolts - 1 - and - 2 -.






• Ignore - 3 and 4 -.

- Remove the bolts - 1 and 2 - and remove the rear coolant pipe from the exhaust gas recirculation auxiliary cooler.






• Ignore - 3 and 4 -.

- Disconnect the vacuum hose - 1 - from the vacuum actuator and remove the Exhaust Gas Recirculation (EGR) cooler switch-over valve 2 (N381) - 3 - from the bracket.






- Remove the bolt - 2 - and remove the left rear coolant pipe from the exhaust gas recirculation auxiliary cooler.

- Remove the screws - arrows - and remove the exhaust gas recirculation auxiliary cooler.

Installing

Install in reverse order of removal. Note the following:

• Tightening specifications, refer to => [ Exhaust Gas Recirculation Overview ] Exhaust Gas Recirculation Overview.

• Replace the seals and O-rings.

- Install the left rear coolant pipe to the exhaust gas recirculation auxiliary cooler. Refer to => [ Left Rear Coolant Pipe on Exhaust Gas Recirculation Auxiliary Cooler ] Left Rear Coolant Pipe on Exhaust Gas Recirculation Auxiliary Cooler.

- Install the rear coolant pipes. Refer to => [ Rear Coolant Pipe ] Rear Coolant Pipe.

- Install primary catalytic converter. Refer to => [ Primary Catalytic Converter ] Primary Catalytic Converter.

- Fill with coolant => [ Filling ] Procedures.