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permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
2.1 ATF supply unit - exploded view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 108
2.2 Renewing oil seal for torque converter . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 109
2.3 Removing and installing ATF supply unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 111
2.4 Removing and installing ATF pump in ATF supply unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122
2.5 Removing and installing needle bearing for torque converter . . . . . . . . . . . . . . . . . . . . . . 124
39 - Final drive - front differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
1 Servicing front final drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
1.1 Front final drive - exploded view . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 126
1.2 Removing and installing flange shaft (right-side) with gearbox removed . . . . . . . . . . . . . . 127
1.3 Removing and installing flange shaft (left-side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 128
1.4 Renewing oil seal for flange shaft (right-side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 131
1.5 Renewing oil seal between final drive and gearbox housing . . . . . . . . . . . . . . . . . . . . . . . . 131
1.6 Renewing O-ring on cover for front final drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 134
1.7 Renewing oil seals for side shaft - gearbox with separate oil systems . . . . . . . . . . . . . . . . 135
1.8 Renewing O-rings for protective tube for side shaft - gearbox with common oil system . . 146
1.9 Renewing oil seal for selector shaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 155
2 Servicing transfer box . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
2.1 Exploded view - centre differential . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 157
2.2 Removing and installing centre differential housing with gearbox removed . . . . . . . . . . . . 158
2.3 Renewing ball bearing for self-locking centre differential . . . . . . . . . . . . . . . . . . . . . . . . . . 160
2.4 Renewing oil seal for flange shaft (rear) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 161
3 Assessment of wear on gearbox components . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 164
3.1 Assessment of wear by checking ATF for colour and contamination . . . . . . . . . . . . . . . . . . 164
3.2 Clutch „C“ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 165
3.3 Clutch „D“ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 167
3.4 Planetary drive „II“ and „III“ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 169
3.5 Clutch „B“ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 171
3.6 Body „II“ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 172
3.7 Clutch „A“ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 175
3.8 Clutch „E“ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 176
3.9 ATF supply unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 178
Audi A6 2005 ➤ , Audi A8 2003 ➤
Servicing automatic gearbox 09E, four-wheel drive - Edition 12.2011
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