Touareg V8-4.2L (BAR) (2007)
Compressor Pulley: Adjustments
Drive Plate with Overload Protection, Checking Run-Out and Adjusting
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Remove the A/C compressor. Refer to --> [ A/C Compressor with Drive Unit, Engine Code BAR ] See: Service and Repair/Compressors.
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Clean the flange at the drive plate - A -
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Secure a dial gauge - B - on the A/C compressor with a dial gauge holder - C - for example with the Holder (387).
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Set probe of dial gauge - D - on flange of drive plate - A - with a pre-tension of approximately 1.0 mm.
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Turn the compressor drive unit - E - several rotations.
Specification:
Run-out deviation is less than 0.21 mm run-out of dial indicator, difference between smallest and largest measured value 0.2 mm maximum
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If the run-out deviation is greater than 0.2 mm, loosen the bolts on the drive plate. Refer to --> [ A/C Compressor Drive Plate ] See: Service and
Repair/Compressors and adjust the drive plate.