AUDI A8 1998 D2 / 1.G 01V Transmission Power Transfer Overview Workshop Manual

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Power transfer, overview Transmission diagram (Front Wheel Drive
(FWD) vehicles)

A - Clutch A
B - Clutch B
E - Clutch E
F - Clutch F
C - Brake C
D - Brake D
G - Brake G
F1 - Freewheel 1
Pa
ge 1 of 6 Power transfer, overview
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Z1, Z2 and Z3 = spur gears of intermediate drive;
ratio page 00
-4
Z4, Z5 = ring gear, ratio page 00
-4
Note:
Arrows point in direction of travel. 1 -
Engine
2 -
Torque converter with lock-up clutch
3 -
Differential
4 -
Automatic transmission
5 -
Drive pinion
Pa
ge 2 of 6 Power transfer, overview
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Transmission diagram (All Wheel Drive
(AWD) vehicles)

A - Clutch A
B - Clutch B
E - Clutch E
F - Clutch F
C - Brake C
D - Brake D
G - Brake G
F1 - Freewheel 1
1 -
Engine
2 -
Torque converter with lock-up clutch
3 -
Front differential
Pa
ge 3 of 6 Power transfer, overview
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Z1, Z2 and Z3 = spur gears of front intermediate
drive; ratio page 00
-4
Z4, Z5 = front gear set; ratio page 00
-4
Z6, Z7 = spur gears of rear intermediate drive; ratio
page 00
-10

Z8, Z9 = rear ring gear, ratio page 00
-10

Note:
Arrows point in direction of travel. 4 -
Automatic transmission
5 -
Drive pinion
6 -
Output shaft
7 -
Torsen differential
8 -
Driveshaft
9 -
Rear differential Pa
ge 4 of 6 Power transfer, overview
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Shift element positions


When dealing with problems relating to poor acceleration and performance or general malfunctions, the following chart
indicates which selector elements are actuated in the various gears. This should help to identify the selector elements that
are not working properly.

Solenoid valves
Clutches

Solenoid valves Pressure regulation valves Clutch Brake Freewheel
Position / gear
1 2 3 1 2 3 4 A B E F C D G 1. Gear
R = Reverse x x x x x x
N = Neutral x x x x x
D, 1st gear x x x x x x x
D, 2nd gear x x x x x x x x
D, 3rd gear x x - x x x x x x
D, 4th gear x - x x x x x
D, 5th gear x x - x x x x x x
2, 1. Gear x x x x x x x
D, 5th to 4th gear x x x x x (x) x x (x)
x = Component is actuated
- = Component is not actuated
Pa
ge 5 of 6 Power transfer, overview
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(x) = Component actuation is dependent on driving condition
Pa
ge 6 of 6 Power transfer, overview
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