A3 L4-2.0L Turbo (BPY) (2006)
Removing and Installing Roll Pin for Differential Bevel Gear Axle
Removing
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Cover inner race for tapered roller bearing to prevent possible damage and entry of shavings.
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Drive out spring pin with chisel, inserting chisel into circumferential groove.
Installing
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Drive the spring pin into the differential housing up to the stop.
Installing the Differential Bevel Gears
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Insert the thrust washer union with gear oil.
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Install both sun wheels and secure (for example with flanged shaft).
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Insert the small differential planetary gears 180° offset and pivot them into position.
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Press the differential gear axle - arrow A - up to the first small differential gear.