TT Quattro Coupe L4-1.8L Turbo (BEA) (2003)
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Make sure wiring harness -B- is correctly positioned in relation to magnetic coil -A-.
Fig. 5 Checking and adjusting gap
Gap width = difference between distance "1" and distance "2" measured as follows:
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Measure distance "1" between belt pulley and clutch plate using depth gauge -A- (at three different points).
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Apply 12 V to magnetic coil:
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B+ terminal to single-pin connector
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-D- Ground (GND) to compressor housing
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Measure distance "2" between belt pulley and clutch plate using depth gauge -A- (at three different points).
Gap width (distance "1" - distance "2") must be 0.4-0.8 mm.
NOTE:
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The gap width must be within the tolerances around the whole circumference.
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The gap width can also be measured without removing the compressor (compressor installed).
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If the gap width is outside the specified tolerance, remove the clutch plate and adjust the gap width by removing or adding shims.