100S Quattro Wagon (Canada) V6-2.8L (AAH) (1992)
Ring Gear: Adjustments
Transmission Cover, Replacing (RE-Calculating Shim S4)
If only the transmission cover is replaced, only shim S4 needs to be re-calculated.
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Clean housing mating surfaces.
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Place hollow shaft into cover and turn so that tapered roller bearing can settle.
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Set up measuring tools.
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Set dial indicator (3 mm range) to zero with preload of 1 mm.
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Remove holder VW 387 complete with dial indicator.
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Remove hollow shaft and bearing outer race together with thrust plate, shim and washer and install in new cover: refer to Disassembly and
Assembly/Gears and Shafts/Pinion, Disassembling and Assembling. See: Manual Transmission/Transaxle/Service and Repair
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Fit dial indicator onto new transmission cover with holder VW 387.
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Record reading indicated on gauge.
Example
Note: If the value indicated on the dial indicator gauge is greater than 1.00, the thickness of shim S4 must be reduced by difference value x.
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Select shim from table: refer to "Pinion, Adjusting".
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Install transmission cover and check preload of tapered roller bearings for pinion and hollow shaft: refer to "Pinion, Adjusting".