Diaphragm unit, 4-cyl
Diaphragm unit, 4-cyl |
Checking |
If the basic boost pressure cannot be adjusted, check as follows:
1. |
Disconnect the diaphragm unit vacuum hose.
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2. |
Connect the
30 14 883 Pressure/vacuum pump
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 vacuum hose.
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If the control arm does not move, detach it from the turbo control valve and recheck.
To remove |
1. |
Detach the clip and lift off the control rod from the arm.
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2. |
Detach the vacuum hose from the vacuum unit.
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3. |
Remove the diaphragm box.
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To fit |
1. |
Lubricate the control arm pin and fit the vacuum unit to the mounting.
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 turbo pressure regulator, 4-cyl
.
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