Repairing threaded electrical connections — AUDI

🧭 Before you start

Fits: VW Transporter T5 (7H), VW Transporter T5 (7J), VW Caddy III (2K, 2004–2015), VW Transporter T6 (7F), VW Transporter T6 (7E), VW Caddy IV (SA, 2015–2020); platform codes 2EX, 2EE, 2EA, 2ED, 2EH, 2EB, 2FL, 2EK, 2FC, 2FF, 2FZ, 2FG, 2FM, S1, 2H, 2C0, SG, SF

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• Optimum contact is ensured when the bolted components are tightened to the specified torque after cleaning.

📋 Procedure

1. ⚠ Danger of injury! Comply with the warning notices and safety regulations! — Disconnect battery Electrical system27Disconnecting and connecting battery.
2. Unscrew captivated nut and remove ring terminal from connection thread.
3. Check ring terminal for corrosion, dirt, etc.
4. Select matching adapter and sanding pad for threaded connection from contact surface cleaning setVAS 6410.
5. ⚠ Risk of corrosion!If the tin coating is worn down to the copper layer, a galvanic cell may be produced which destroys metal and causes faulty repair.The cleaning process of the threaded connection must be performed step by step and a visual check is necessary between the steps. — Fit adapter onto threaded connection and remove corrosion and dirt with circular motions.

6. Periodically check the progress of cleaning and clean further if necessary.
7. Tighten connection and (if necessary) anti-rotation tab to specified torque . [Note: Optimum contact is ensured when the bolted components are tightened to the specified torque after cleaning.]
8. Apply appropriate anti-corrosion treatment to threaded connection
9. ⚠ Danger of injury! Comply with the warning notices and safety regulations! — Connect battery Electrical system27Disconnecting and connecting battery.
10. Perform all given work steps such as window regulator setting, clock setting and radio coding after connecting the battery.

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