A6 V6-3.0L (AVK) (2004)
Note: If measurement is repeated, differential must first be rotated 5 complete revolutions in both directions again to seat tapered roller bearing.
Formula:
"Stotal" = "S2*" ~ measured value bearing preload
Example:
Installed shim(s) "S2*" 1.00 mm
+ Measurement 0.50 mm
+ Bearing preload (constant) 0.30 mm
Total shim thickness "Stotal" for shims "S1 + S2" 1.80 mm
Determining thickness of shim "S1*"
Notes:
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"S1*" is used for the initial measurement.
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After determining backlash, "S 1*" is replaced with final shim "S1".
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The total shim thickness "S total" remains unchanged.
Formula:
"S1*" = "Stotal"-"S2"
Example:
Total shim thickness "Stotal" for shims "S1 + S2" 1.80 mm
Installed shim(s) "S2*" 1.00 mm
Thickness of shim "S1*" 0.80 mm
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Calculate adjustment shims as accurately as possible according to the table.
Measuring friction torque (check measurement)
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Drive pinion removed
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Differential installed with shims "S1*" and "S2".
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Torque gauge 0- 600 Ncm -A- installed on differential.
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Read friction torque.
Friction torque specified values:
1) at least 50 km
Notes:
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Tapered roller bearings for differential are low-friction bearings. Therefore friction torque can only be used for check measurement in a limited
way. A correct adjustment is only possible by determining the total thickness "S total".
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Do not grease new tapered roller bearings additionally for Action torque measurement. The bearings are already greased with a special oil from the