Diaphragm box
Diaphragm box |
1. |
Disconnect the diaphragm box vacuum hose from the boost pressure control valve, BPC.
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2. |
Connect the pressure/vacuum pump 30 14 883 to the hose and create a vacuum. Check that the diaphragm box control arm moves.
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3. |
Check that the vacuum pressure does not change for 30 seconds.
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4. |
Remove the equipment and connect the hose to the boost pressure control valve, BPC.
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If the control arm does not move, disconnect it from the turbocharger wastegate and check again.
To remove |
1. |
Remove the clip and lift off the control rod from the arm.
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2. |
Disconnect the vacuum hose from the vacuum box.
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3. |
Remove the diaphragm box.
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To fit |
1. |
Lubricate the pin of the control arm and fit the vacuum unit on the bracket.
Tightening torque 8 Nm (6 lbf ft). |
2. |
Connect the vacuum hose to the vacuum unit.
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3. |
Adjust the control arm and refit the clip
, see Basic setting of the pressure regulator, turbo
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