Removing and installing battery in engine compartment (version 1) — AUDI

🧭 Before you start

Fits: Audi Q3 (8U, 2011–2018); platform code 84

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• Check that battery is firmly secured after installing.
• If the battery is renewed, the new battery must be adapted .
• On vehicles without radio-controlled clock, it is necessary to set the date again if the battery is disconnected for a long period .
• After reconnecting the voltage supply, it is possible that the ESP warning lamp will not go out until the vehicle has been driven several metres.

📋 Procedure

1. Switch off ignition.
2. Versions equipped with ignition lock: Remove ignition key.
3. Equipment version with gearbox breather: Detach gearbox breather (1) from battery retainer plate (2)(arrows) and place to one side.
4. Press the release tab (1) and swivel the battery cover (2) upwards; this disengages the guides at the mountings (3, 4) for the battery trim cover (rear).
5. If fitted, open cover in heat insulation sleeve.

6. If fitted, pull off cover over negative battery terminal.
7. Slacken off nut (8) several turns and disconnect battery clamp (7) of earth cable from negative battery terminal.
8. Slacken off nut (3) several turns and disconnect battery clamp (4) of positive cable from positive battery terminal.
9. Pull off battery trim cover (front) (2) upwards.
10. Remove bolt (6) on battery retainer plate (5).
11. Pull battery (1) out of battery tray and lift out of engine compartment. [Note: Only install maintenance-free batteries with the specifications "“TL82506”" (from December 1997 onwards) and "“VW75073”" (from August 2001 onwards).Batteries from the Audi parts range feature a base strip adapter for matching to different retainer flanges. The battery operating instructions give details of when and how to use the base strip adapter.]
12. ⚠ Observe environmental requirements.When disposing of used batteries, always observe the required disposal procedures for batteries and sulphuric acid Electrical system; General information27Battery. — Insert battery in battery tray so that battery base strip engages in retainer flange (1) of battery tray and makes contact at rear of stop (arrow).
13. Fit battery retainer plate (5).
14. Tighten bolt (6) for battery retainer plate.
15. Connect up battery in the following sequence with ignition and electrical equipment switched off:
16. First connect battery clamp (4) of positive cable by hand to positive battery terminal "“+”" and tighten nut (3).
17. Unplug electrical connector (2) at battery monitor control unit J367(item 3).
18. Attach battery clamp of earth cable to negative battery terminal "“–”" by hand and tighten nut (1).
19. Reconnect connector at battery monitor control unit J367.
20. Check that battery is firmly secured after installing.
21. If the battery is renewed, the new battery must be adapted .
22. Select Diagnosis mode and start diagnosis.
23. Select Test plan tab.
24. Select Own test then the following options one after the other: [Note: On vehicles without radio-controlled clock, it is necessary to set the date again if the battery is disconnected for a long period .]
25. Select Diagnosis mode and start diagnosis.
26. Select Test plan tab.
27. Select Own test then the following options one after the other: [Note: After reconnecting the voltage supply, it is possible that the ESP warning lamp will not go out until the vehicle has been driven several metres.]

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