Inspection & Adjustment

SPECIAL TOOLS

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951 2986 Measurement sensor (Part of 9512985)
Tool number: 951 2986
Tool description: Measurement sensor (Part of 9512985)
Tool boards: EU99

Materials
Designation	Part number
Universal oil	1161657

CHECK

Remove right front wheel. Refer to: WHEELS

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Use: Universal oil, 1161657

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Refer to: Special Tool: 951 2986

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CAUTION:

Make sure that the component moves freely between the end positions.

Repeat the following steps until the component moves freely. Some minimal binding is permitted.

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Adjust to the specified value.
Close the shutoff valve.
Remove the hose.
Check that the pressure-drop remains within the specified values.

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Refer to graph in the illustration.

CAUTION:

If the specified pressure is exceeded repeat the steps.

Refer to graph in the illustration.

See information about wastegate valve. Refer to: WASTEGATE VALVE

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Note the value.

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Refer to graph in the illustration.
Refer to graph in the illustration.

CAUTION:

If the specified pressure is exceeded repeat the steps.

See information about wastegate valve. Refer to: WASTEGATE VALVE

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Note the value.

Calculate the average value.

Follow the instructions for wastegate valve. Refer to: WASTEGATE VALVE

If the average value is not according to specifications, adjust the stroke.

ADJUSTMENT

Remove the right drive shaft. Refer to: DRIVE SHAFT RIGHT

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Torque: M10, 50Nm

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Torque: M10, 50Nm

NOTE:

Turn the adjusting screw counter-clockwise to increase stroke. Turn the adjusting screw clockwise to decrease stroke.

NOTE:

One revolution corresponds to approx. 1 mm stroke.

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CAUTION:

Take extra care when handling the component.

Loosen the nut.
Adjust to specified average value.

See information about wastegate valve. Refer to: WASTEGATE VALVE

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CAUTION:

Take extra care when handling the component.

Torque: Pressure regulator, lock nut adjuster rod, 7Nm

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Loosen the nut.
Adjust to specified average value.

See information about wastegate valve. Refer to: WASTEGATE VALVE

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Torque: Pressure regulator, lock nut adjuster rod, 7Nm

Repeat the method to verify that the average value is according to specifications.

DRIVE SHAFT RIGHT

SPECIAL TOOLS

Courtesy of VOLVO CARS CORPORATION	951 2923 Hydraulic hole cylinder Tool number: 951 2923 Tool description: Hydraulic hole cylinder Tool boards: 65
Courtesy of VOLVO CARS CORPORATION	999 7251 Press tool Tool number: 999 7251 Tool description: Press tool Tool boards: 40

REMOVAL

NOTE:

Removal steps in this procedure may contain installation details.

WARNING:

Do not use magnets or magnetic tools close to tooth wheels, drive shafts or wheel hubs. A magnetized tooth wheel will lose its function and generate incorrect signals resulting in fault codes.

NOTE:

Any magnetized tooth wheel, drive shaft or wheel hub must be replaced with a new component.