Dodge Journey: Cooler, EGR

Description

Cooling
Fig. 62: EGR COOLER

  1. - EGR COOLER TO EGR VALVE TUBE
  2. - MOUNTING SCREWS
  3. - EGR COOLER MOUNTING SCREW
  4. - MOUNTING SCREW
  5. - EGR COOLER BODY
  6. - EGR COOLER MOUNTING NUT
  7. - EGR COOLER
  8. - INLET TUBES
  9. - VACUUM CONTROL UNIT
  10. - EGR COOLER TO EXHAUST MANIFOLD TUBE MOUNTING NUT
  11. - EGR COOLER TO EXHAUST MANIFOLD TUBE
  12. - MOUNTING SCREW

The EGR cooler (7) cools recirculated exhaust gasses to reduce combustion temperature and a greater mass of exhaust gases can thus be circulated. There is less nitrogen oxides as a result.

The EGR cooler (7) allows the engine and catalytic converter to reach their operating temperature quickly.

Removal

Cooling
Fig. 63: EGR COOLER

  1. - EGR COOLER TO EGR VALVE TUBE
  2. - MOUNTING SCREWS
  3. - EGR COOLER MOUNTING SCREW
  4. - MOUNTING SCREW
  5. - EGR COOLER BODY
  6. - EGR COOLER MOUNTING NUT
  7. - EGR COOLER
  8. - INLET TUBES
  9. - VACUUM CONTROL UNIT
  10. - EGR COOLER TO EXHAUST MANIFOLD TUBE MOUNTING NUT
  11. - EGR COOLER TO EXHAUST MANIFOLD TUBE
  12. - MOUNTING SCREW

1. Remove engine cover.

2. Drain cooling system.

3. Remove EGR cooler coolant hoses (8).

4. Remove EGR cooler to exhaust manifold tube (11).

5. Remove EGR cooler to EGR valve tube (1).

6. Remove EGR cooler mounting nuts (6).

7. Remove EGR cooler (7).

8. Remove the bypass valve mounting screws (3).

9. Separate the bypass valve assembly from the EGR cooler body (5).

Installation

Cooling
Fig. 64: EGR COOLER

  1. - EGR COOLER TO EGR VALVE TUBE
  2. - MOUNTING SCREWS
  3. - EGR COOLER MOUNTING SCREW
  4. - MOUNTING SCREW
  5. - EGR COOLER BODY
  6. - EGR COOLER MOUNTING NUT
  7. - EGR COOLER
  8. - INLET TUBES
  9. - VACUUM CONTROL UNIT
  10. - EGR COOLER TO EXHAUST MANIFOLD TUBE MOUNTING NUT
  11. - EGR COOLER TO EXHAUST MANIFOLD TUBE
  12. - MOUNTING SCREW

1. Using a new gasket, position the bypass valve assembly to the EGR cooler body (5). Tighten screws to 10 N.m (88 in. lbs.).

2. Position EGR cooler (7) and install mounting screws. Tighten to 10 N.m (88 in. lbs.).

3. Install EGR cooler to exhaust manifold tube (11). Tighten bolts to 20 N.m (14 ft. lbs.) and nuts to 20 N.m (14 ft. lbs.).

4. Install EGR cooler to EGR valve tube (1). Tighten bolts to 20 N.m (14 ft. lbs.).

5. Install coolant hoses.

6. Install vacuum line.

7. Fill cooling system.

8. Install engine cover.

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