Battery, Removing and Installing

Battery, Removing And Installing

WARNING:
- Observe Warning and safety measures for lead acid batteries.
- Always wear suitable protective clothing.

Special tools, testers and auxiliary items needed







- VAG 1331 Torque wrench (or equivalent 5 - 50 Nm )

Removing

CAUTION:
Before beginning repairs on the electrical system:
- Obtain the anti-theft radio security code.
- Switch off all electrical consumers.
- Switch ignition off and remove ignition key.
- Disconnect negative ( - ) battery terminal.
- When reconnecting battery terminals, observe all applicable Notes and torque specifications, as well as instructions on performing OBD program and electrical system function checks as specified.

4-cylinder engine







- Release fasteners -arrows-.
- Remove battery cover.

Fuse panel version I







- First disconnect negative ( - ) terminal -2- from battery.
- Then disconnect positive ( B+ ) terminal -1-.







- Depress fuse panel retainers -arrows- and fold fuse panel to rear.

Fuse panel version II







- First disconnect negative ( - ) terminal -2- from battery.
- Then disconnect positive ( B+ ) terminal -1-.
- Depress fuse panel retainer using screwdriver -arrows- and fold fuse panel to rear.

6-cylinder engine

- Fold luggage compartment floor panel forward.







- First disconnect negative ( - ) terminal -1- from battery.
- Then disconnect positive ( B+ ) terminal -2-.
- Remove central gas vent hose.

Continued for all







- Remove battery hold-down bracket bolt -1-
- Remove battery hold-down bracket -2-.
- Carefully lift battery from carrier.

Installing
- Carefully lift battery onto carrier.







- Install battery so battery carrier lug -arrow- engages in battery foot strip cut-out -1-.
It must not be possible to move battery to the left or right.







Battery is inserted correctly when center cut-out in battery foot strip aligns with threaded hole in battery carrier -arrows-.

- Fit battery hold-down bracket.
- Install battery hold-down bracket bolt and torque to 20 Nm.

CAUTION:
Results of inadequately secured battery:
- Shorter battery service life due to vibration damage.
- Battery cell and plate damage.
- Electrolyte leakage due to battery case damage.
- Poor collision safety.

Remaining installation is in reverse order of removal, noting the following:
- Observe warnings regarding central gas venting.

NOTE:
- Battery for 4-cylinder engine illustrated here.
- Reconnecting sequence must be strictly adhered to.

CAUTION: Ensure all electrical consumers are switched off and ignition key is removed.







- First reconnect positive ( B+ ) terminal -1- at battery.
- Then reconnect negative ( - ) terminal -2-.
Battery terminal tightening torque: 6 Nm.
- Perform work steps specified in table.