Combustion circulation actuator (403)
Combustion circulation actuator (403) |
Important | ||
Always use wing covers when working in the engine bay. |
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To remove |
2. |
Loosen the coolant expansion tank cap to release any pressure.
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3. |
Raise the car.
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4. |
Remove the lower engine cover.
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5. |
Place a receptacle under the radiator. Connect a hose to the radiator and drain the radiator. Close the tap.
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6. |
Lower the car to the floor.
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7. |
Detach the turbocharger delivery hose from the pipe and throttle body.
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8. |
Place a receptacle under the engine to collect the coolant.
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9. |
Detach the coolant hose from the coolant pipe and remove the nut from the pipe clamp.
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10. |
Detach the coolant hose from the thermostat housing.
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11. |
Remove the nuts holding the coolant pipes to the starter motor bracket. Move the pipes aside slightly to make room for the vacuum reservoir.
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12. |
Detach the vacuum hoses from the vacuum reservoir. Remove the vacuum hose bolts from the camshaft housing and oil trap bracket.
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13. |
Detach the EGR valve connector.
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14. |
Disconnect the front hoses from the vacuum pipes. Remove the vacuum pipes.
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15. |
Remove the vacuum reservoir.
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16. |
Disconnect the upper hoses from the oil trap. The right-hand hose has a quick coupling. Hold the black plastic ring and pull the coupling upward.
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17. |
Remove the nuts and bolts holding the oil trap bracket in place and move it aside.
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18. |
Remove the actuator. Carefully prise the control arm off the ball joint. Unplug the actuator's connector.
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To fit |
1. |
Plug and fit in the actuator. Press the control arm onto the ball joint using suitable pliers.
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2. |
Reposition the oil trap bracket. Fit the nuts and bolts.
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3. |
Attach the upper hoses of the oil trap.
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4. |
Fit the vacuum chamber. Note that the small hose connection is the upper connection.
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5. |
Fit the vacuum pipes to the camshaft housing and connect the hoses to the vacuum chamber.
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6. |
Plug in the EGR valve connector.
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7. |
Fit the coolant pipes to the starter motor bracket.
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8. |
Attach the coolant hose to the coolant pipe.
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9. |
Attach the coolant hose to the thermostat housing.
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10. |
Fit the nut to the pipe clamp.
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11. |
Fit the turbocharger delivery hose to the turbocharger delivery pipe and the throttle body.
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12. |
Raise the car.
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13. |
Fit the lower engine cover.
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14. |
Lower the car to the floor.
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15. |
Pressure test, see
Cooling system, pressure testing
and fill with coolant, see
Bleeding the cooling system
.
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16. |
Reconnect the negative cable to the battery.
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17. |
Remove the wing covers and restore the car's electrical functions, see
After disconnecting the battery
.
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18. |
Connect an exhaust hose and start the engine. Check for leaks. Connect the diagnostic tool and clear any diagnostic trouble codes.
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19. |
Fit the insulation and upper engine cover.
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