Volkswagen Workshop Service and Repair Manuals

Disconnecting and reconnecting battery   Note Disconnecting the battery earth strap (open circuit) provides a safe working environment for repairs to the electrical system. The battery positive wire need only be disconnected for removal of the battery. However, observe the notes on disconnecting the battery in any case. Special tools and workshop equipment required

t  Torque wrench -V.A.G 1331- Disconnecting battery –  Switch off ignition and all electrical consumers and remove ignition key. –  Disconnect battery earth strap on battery negative terminal first.   Note To disconnect the battery positive wire, first remove the fuse holder on the battery. Removing fuse holder on battery:

–  Press locking lugs -arrows- together to open fuse holder and take off cover.

–  Unscrew securing nut -1- and current conductor plate on positive battery clamp.

–  Remove securing nuts -2- to disconnect wiring to strip fuses. –  Disconnect connector -3-.

–  Release tension on fuse holder spring catch by pressing down with a thumb and lever spring catch locking device off battery using a suitable screwdriver. –  Remove fuse holder upwards off battery.

–  Then release the battery positive terminal clamp securing bolt -arrow-. Connecting battery:   Note t  Battery terminal clamps must be fitted only by hand without force to prevent damage to battery housing. t  Battery terminals must not be greased. –  Fit positive cable clamp onto battery positive terminal.

–  Tighten battery positive terminal clamp securing bolt -arrow- to 6 Nm. Installing fuse holder on battery: –  Fit fuse holder onto battery, when doing this fit current conductor plate onto retaining pins on battery positive terminal. –  Engage fuse holder spring catch in battery. –  Tighten securing bolt to 6 Nm. –  Close heat insulation jacket if necessary.

–  Tighten securing nuts -1- and secure current conductor plate on positive terminal clamp to 6 Nm. –  If wiring was disconnected, reconnect again to strip fuses and then tighten securing bolts -2- to 6 Nm.   Note See pin assignment in appropriate current flow diagram! → Current flow diagrams, Electrical fault finding and Fitting locations

–  Reconnect connector -3-. –  Fit fuse holder cover and close. –  Reconnect negative terminal clamp to battery negative terminal and tighten to 6 Nm. –  Perform steps according to table → Chapter.