Audi Workshop Service and Repair Manuals

Removing and installing battery in luggage compartment

Removing –  Switch off ignition. –  Versions equipped with ignition lock: Remove ignition key. –  Lift luggage compartment floor up and hook onto body. –  Take out vehicle tool kit. –  Remove bolts -arrows- and detach retainer -1-. –  Connect battery charger to provide back-up power supply → Electrical system; General information; Rep. gr.27.

–  Disengage cover -7- for negative battery terminal at battery -arrows-. –  Slacken off nut -4- several turns and disconnect battery clamp -5- of earth cable from negative battery terminal. –  Pull off cover -1- over positive battery terminal. –  Slacken off nut -2- several turns and disconnect battery clamp -3- of positive cable together with fuse holder A from positive battery terminal. –  Pull off hose -6- for central gas venting system. –  Remove bolt -8- on battery retainer plate -9-. –  Pull battery out of battery tray and lift out of luggage compartment.   WARNING Observe environmental requirements. When disposing of used batteries, always observe the required disposal procedures for batteries and sulphuric acid → Electrical system; General information; Rep. gr.27. Installing l  Tightening torques → Chapter   Note t  Only install maintenance-free batteries with the specifications „TL82506“ (from December 1997 onwards) and „VW75073“ (from August 2001 onwards). t  If a leakproof, deep-cycle VRLA or AGM battery was fitted as original equipment, this type of battery must also be installed as a replacement. t  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.

–  Insert battery in battery tray so that battery base strip engages in retainer flange of battery tray -arrow-. l  It should no longer be possible to move the battery.

–  Fit battery retainer plate -5-. l  Lug -arrow- on battery retainer plate must engage in recess on battery base strip -4-. –  Tighten bolt -6- for battery retainer plate. –  Connect hose -3- for central gas venting system. Observe notes in → Electrical system; General information; Rep. gr.27. –  Connect up battery in the following sequence with ignition and electrical equipment switched off: –  First connect battery clamp -2- of positive cable by hand to positive battery terminal „+“ and tighten nut. –  Close cover -1- over positive battery terminal. Vehicles without battery monitor control unit -J367-: –  Attach battery clamp of earth cable to negative battery terminal „–“ by hand and tighten nut.

Vehicles with battery monitor control unit -J367-: –  Unplug electrical connector -2- at battery monitor control unit -J367--item 3-. –  Attach battery clamp of earth cable to negative battery terminal „–“ by hand and tighten nut -1-. –  Reconnect connector at battery monitor control unit -J367-.

All vehicles (continued): –  After installation, check that battery is securely attached → Electrical system; General information; Rep. gr.27. –  Fit cover for negative battery terminal on battery. –  Fit retainer -1- and tighten bolts -arrows-. –  After renewing the battery, it must be adapted in „Guided Fault Finding“ or „Guided Functions“ mode → Vehicle diagnostic tester. The following measures are required after re-connecting the battery: t  Activate automatic open/close function of electric window regulators → Owner's Manual for the vehicle. t  Interrogate event memories of all control units and erase „Low voltage“ entry → Vehicle diagnostic tester.   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.