WASTEGATE Control Valve Adjustment: Check

Fig 1: Apply Universal Oil, 1161657

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Use: Universal oil, 1161657

Fig 2: Installing Special Tool (9512986)

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Fig 3: Checking That Tool Can Move Freely

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NOTE: Make sure that the special tool can move freely.

Fig 4: Installation of Special Tools 9512985, 9512775)

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Fig 5: Verifying Full and Free Movement

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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.

Fig 6: Identifying Pressure Regulator

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Fig 7: Adjusting Pressure to Specified Value and Verify No Leak (Ensure Pressure-Drop Remains Within Specified Values)

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Fig 8: Both Measurements Equal Zero

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Fig 9: Identifying Pressure Regulator

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Fig 10: Graph, Stroke vs. Pressure

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For information about wastegate valve. See WASTEGATE VALVE
CAUTION: If the specified pressure is exceeded repeat the steps.

Fig 11: Measuring the Maximum Value

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Note the value.

Fig 12: Graph, Max and Min Stroke vs. Pressure

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For information about wastegate valve. See WASTEGATE VALVE
CAUTION: If the specified pressure is exceeded repeat the steps.

Fig 13: Measuring the Maximum Value

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Note the value.

Calculate the average value.

Follow the instructions for wastegate valve. See WASTEGATE VALVE

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