A8L Quattro Sedan V8-4.2L (AUX) (2001)
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Differential: Service and Repair
Torsen Differential Unit
CAUTION: If the ATF oil pan is removed, or there is no ATF in the transmission, DO NOT start the engine or tow the vehicle.
Component Notes And Information
NOTE:
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During service procedures, refer to the illustration above and the information below.
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The parts shown in the following illustration can be removed while the transmission is installed.
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Rules of cleanliness for working on the automatic transmission. See: Automatic Transmission/Transaxle/Service and Repair
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Refer to general repair instructions. See: Transmission Control Systems/Service and Repair
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Coat O-rings with Vaseline. Other types of lubricant lead to malfunctions in the hydraulic transmission control.
1
Bolt
-
Tighten to: 25 Nm (18 ft lb)
2
Drive flange, rear
3
Sealing ring
-
For rear drive flange -2-
-
Replacing refer to Replacement. See: Seals and Gaskets/Service and Repair
4
Mounting bolt
-
Tighten to: 23 Nm (17 ft lb)
-
For housing cover -5-
-
Qty: 4
5
Housing cover
6
O-ring
-
Coat with transmission fluid
7
Circlip
-
For ball bearing -8- (on front gear 1, item -9-)
8
Ball bearing
-
For front gear 1, item -9-
9
Front gear 1
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For rear ring gear and pinion set
-
If damaged, only replace together with front gear 2, item -17-
-
To remove and install together with items -7- and -8-, pull out of distributor gear -13-, to back
10
Snap ring
-
For needle bearing -11-
11
Needle bearing
-
For front gear 1, item -9-
-
Remove only to replace
-
When replacing distributor housing -13-, heat to 80-100°C (176-212°F) and drive needle bearing out to back using suitable mandrel
-
Drive in to stop using sleeve tool No. 30-21
12
Bolt
-
Tighten to: 23 Nm (17 ft lb)
-
Loosen and tighten diagonally
13
Distributor housing
-
Can be replaced if damaged
14
Clamping nut
-
For rear drive flange -2-
15
Needle bearing
-
For front gear 2, item -17-
-
Remove only to replace
-
Replacing refer to Replacement.
16
Snap ring
