volvo Workshop Repair Guides

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Basic Adjustment of Pushrod

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Connect manometer 999 5230 and pressure tester 998 5496 to pressure servo.

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Pump up pressure to 18 ± 1 kPa (2.56 ± 0.14 psi).

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Push boost pressure control (BPC) valve spindle towards turbocharger (TC) housing (closed valve).

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Adjust push rod so that it fits onto spindle lug exactly.

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Install lock pin to boost pressure control (BPC) valve spindle.

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Tighten pushrod locknut.

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Remove manometer and pressure tester.

NOTE!  Push rod must not be twisted during adjustment, otherwise pressure servo diaphragm may be damaged.

Reinstall

Install:
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Hose on turbocharger (TC) control valve.

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Fresh air intake between turbocharger (TC) and mass air flow (MAF) sensor.

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Heat deflector plate.

Powertrain Management > Fuel Delivery and Air Induction > Turbocharger > Wastegate Actuator > Component Information > Service and Repair > Page 4201

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