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Removing battery - Audi A3 as of Model Year 2001 > < Notes on battery handling

A3 Mk1

Electrical system
Battery
Removing battery - Audi A3 up to Model Year 2000
Attention:
On vehicles fitted with telematics system, activate telematics control-unit service mode before disconnecting battery.=>Radio, Telephone, Navigation; Repair Group 91
  • ‒ Heed (if necessary obtain) code for vehicles with encoded radio/radio navigation system (RNS).
  • ‒ Switch off ignition.
 
A10-1322
  • ‒ → If fitted, disconnect air intake hose for secondary air pump -1- from air cleaner housing.
  • ‒ If fitted, screw out bolt -7-.
  • ‒ Detach air hose -2- at air-mass meter.
  • ‒ Unplug connector -3- at air-mass meter.
  • ‒ Screw out bolts -5- and -6-.
  • ‒ Take out air cleaner housing and detach breather hose -4- at rear if fitted.
 
A27-0056
  • ‒ → If fitted, open upper protective cover of battery -A- (velcro fastener).
  • ‒ Press release tabs -arrows- and open lid -B- of main fuse box.
 
A27-0144
  • ‒ → Unfasten nut -3- several turns and disconnect pole shoe of earth wire from battery post.
  • ‒ Unscrew nut -1- and detach busbar for main fuse box at pole shoe of positive wire.
  • ‒ Unfasten nut -2- several turns and disconnect pole shoe of positive wire from battery post.
 
A27-0142
  • ‒ → Release retainer for main fuse box. To do so, press down front edge of retainer -arrow 1- and at the same time detach retainer from battery in direction of travel -arrow 2-.
  • ‒ Fold back main fuse box and lift off protective cover for battery.
 
A27-0145
  • ‒ → Screw out hexagon bolt -1- at battery bracket -2-.
  • ‒ Pull battery out of fastening strip of battery bracket.
  • ‒ Lift battery out of engine compartment.
  • ‒ Install battery .

Removing battery - Audi A3 as of Model Year 2001 > < Notes on battery handling