volvo Workshop Repair Guides

Volvo Workshop Service and Repair Manuals

Wastegate Actuator|Service and Repair|Page 4217 > < Boost Pressure Control Valve - Checking and Adjusting|Page 4213
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Wastegate Actuator: Service and Repair

REPLACING BOOST PRESSURE CONTROL VALVE PRESSURE SERVO

Special Tools: 998 5496, 999 5230, 999 5544

Preparations

Remove:
-

Turbocharger (TC) heat shield.

Removing Pressure Servo

Remove:
-

Boost Pressure Control (BPC) Valve spindle lock pin.

-

Turbocharger (TC) control valve hose.

-

Fresh air hose from turbocharger (TC) and Mass Air Flow (MAF) Sensor and move to one side.

NOTE!  Remove the following in the order specified.

-

Rear pressure servo screw (1)

-

Front pressure servo screw (2).

Installation of Pressure Servo

Install:
-

New pressure servo.

-

Screws and tighten to 20 Nm (14.76 ft.lb.).

Wastegate Actuator|Service and Repair|Page 4217 > < Boost Pressure Control Valve - Checking and Adjusting|Page 4213