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15 - Cover
16 - Bolt
❑ 20 Nm
17 - Bolt
❑ 10 Nm
18 - Bracket for fastening ring
6.2.3 Removing and installing hybrid battery
unit - AX1-
WARNING
Danger of physical injury and material damage
Check hybrid battery unit - AX1- for:
♦ Cracks in battery housing or battery box
♦ Deformations of battery housing or battery box
♦ Temperature-induced discolourations and heat tinting on
housing
♦ Strong smell (escaping electrolyte)
If you detect any of the faults listed above, the high-voltage
battery must be classified ⇒ Basic information on high-voltage
vehicles; Rep. gr. 00 ; Lithium-ion high-voltage battery; Clas‐
sification of a lithium-ion high-voltage battery .
Special tools and workshop equipment required
♦ Torque wrench - V.A.G 1331-
♦ Release tool - T40258-
Audi A6 2011 ➤ , Audi A6 Avant 2011 ➤
Electrical system, hybrid - Edition 03.2014
6. Components specific to high-voltage system 19