Removing and installing the battery isolator — VW

🧭 Before you start

Fits: platform codes 6E1, 6X1

• Renewed: security seal

📋 Procedure

1. ⚠ Before touching components of the battery isolation unit, the mechanic must electrostatically discharge himself. This can be done by done by touching a piece of earthed metal such as a water pipe, a heating pipe or steel girders. — Switch off ignition and all electrical consumers and remove ignition key.
2. First disconnect battery clamp from battery negative terminal.
3. Then disconnect battery clamp (4) and terminal 30 supply from battery positive terminal (3).
4. Separate multi-pin connector (5).
5. If necessary remove anti-tamper seal, press tab downwards (arrow) and separate multi-pin connector.

6. Loosen the union nut on threaded connection to connecting wire.
7. Place an open jaw spanner on each of the halves of the threaded connection (1) and (2) then turn the halves of the threaded connection opposite to each other to loosen the tapered joint.
8. Reconnecting battery
9. If necessary, renew security seal on multi-pin connection for igniter. [Note: On batteries with a hose for central venting ensure that the hose is not pinched. Only then can the battery vent freely.Ensure that the opening on the upper side of the battery cover is not blocked on batteries without a hose for central venting.]
10. Fit battery cover.

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