Relief valve removal (RZ4E-TC)

1. Component views

Relief valve

Part name

  1. Gasket
  2. Inlet cover
  3. Relief valve control solenoid valve
  4. Nut
  5. Relief valve control solenoid valve bracket
  6. Nut
  7. Relief valve
  8. Gasket
  9. Gasket
  10. Bolt
  11. EGR pipe
  12. Gasket
  13. EGR duct
  14. Bolt
  15. Bolt
  16. Bolt
  17. Nut

Tightening torque

4: 25 N・m { 2.5 kgf・m / 18 lb・ft }

6: 25 N・m { 2.5 kgf・m / 18 lb・ft }

10: 25 N・m { 2.5 kgf・m / 18 lb・ft }

14: 25 N・m { 2.5 kgf・m / 18 lb・ft }

15: 25 N・m { 2.5 kgf・m / 18 lb・ft }

16: 25 N・m { 2.5 kgf・m / 18 lb・ft }

17: 25 N・m { 2.5 kgf・m / 18 lb・ft }

2. Generator removal

3. A/C compressor disconnect

1) Disconnect the pipe clip from the air duct bracket.

2) Disconnect the A/C compressor from the generator bracket.

Note

  • Secure with wire at an appropriate position as a set with the hoses.

4. Generator bracket removal

1) Remove the generator bracket from the cylinder block.

5. Intake air duct removal

1) Disconnect the connector from the boost pressure and CAC temperature sensor.

2) Remove the intake air duct from the intake throttle valve.

6. Intake throttle valve removal

1) Disconnect the connector from the intake throttle valve.

2) Remove the intake throttle valve and gasket from the inlet manifold.

Caution

  • Do not reuse the gasket.

Legend

  1. Intake throttle valve
  2. Gasket

7. Oil level gauge guide tube removal

1) Remove the oil level gauge from the oil level gauge guide tube.

2) Remove the oil level gauge guide tube from the crankcase.

8. Water pipe removal

1) Disconnect the vacuum hose from the vacuum pipe.

2) Remove the vacuum pipe from the air duct bracket.

Except for Euro2 specifications

Legend

  1. Vacuum hose
  2. Vacuum pipe
  3. Bracket
  4. Relief valve control solenoid valve
  5. Relief valve control solenoid valve bracket

3) Remove the water hose from the water pipe.

Manual transmission models

Automatic transmission models

4) Remove the water pipe from the air duct bracket.

5) Remove the pipe clip from the water pipe.

6) Remove the water pipe from the inlet cover.

Manual transmission models

Automatic transmission models

9. Glow plug removal

1) Remove the glow plug terminal and glow plug connector from the glow plug.

Legend

  1. Glow plug terminal
  2. Glow plug connector

2) Remove the glow plug from the cylinder head.

10. Relief valve removal

1. Except for Euro2 and Euro4 specifications

1) Remove the air duct bracket from the inlet cover.

2) Remove the harness bracket from the inlet cover.

3) Remove the following parts as a set from the cylinder head and inlet cover.

  • EGR pipe
  • EGR duct
  • Relief valve
  • Gasket
  • Relief valve control solenoid valve

Caution

  • Do not reuse the gasket.

Legend

  1. EGR duct
  2. EGR pipe
  3. Relief valve control solenoid valve bracket
  4. Relief valve control solenoid valve
  5. Relief valve
  6. Gasket

Caution

  • Do not reuse the gasket.
  • Seal to prevent foreign material from entering.

11. Inlet cover removal

1) Remove the inlet cover from the cylinder head.

Caution

  • Do not reuse the gasket.