S40 L4-1.9L Turbo VIN 29 B4204T3 (2001)
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Remove the heat shield from the exhaust manifold.
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Turn the setting screw on special tool 999 5766 clockwise until the pressure in the table is reached. Measure the stroke length of the pressure
servo. Use a vernier caliper
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The measured value represents the opening of the boost pressure control (BPC) valve, measured at the end of the lever (A).
NOTE: Ensure that the valve is closed when the push rod is in the resting position.
