Repairing ring terminals — VW

🧭 Before you start

Fits: VW Passat CC (357, 2008–2012), VW Sharan II / SEAT Alhambra (7N, 2010–), VW Polo 6R (2009–2014), VW Golf IV / Bora (1J), VW Touran I (1T, 2003–2015), VW Passat B5 (3B), VW Phaeton (3D), VW Touareg I (7L, 2002–2010), VW Sharan I / SEAT Alhambra (7M), VW Polo 9N (2001–2009), VW Golf V / Jetta (1K, 2003–2009), VW Passat B6 (3C, 2005–2010), VW Tiguan I (5N, 2007–2016), VW Golf VI (5K, 2008–2013), VW Touareg II (7P, 2010–2018), VW Golf Cabriolet (517, 2011–2016), VW Golf VII Variant (BA), VW Polo 6C (2014–2017), VW Golf Sportsvan (AM1, 2014–2020), VW Passat B7 saloon (362, 2010–2014), VW Passat B7 Variant (365, 2010–2014), VW CC (358, 2012–2017), VW Golf VII (5G, 2012–2020), VW Passat B8 (3G, 2014–), VW Touran II (5T, 2015–); platform codes 601, 602, 612, 6E1, 6N1, 6X1, 5M1, 1F7, 137, 521, 121, 641, 642, BL1, BE1, 138, A32, 6Z1, 1F8, 643, A33, 604, 644, 614, 603

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• Danger of injury! Observe warning notices and safety regulations ! — Disconnect battery.
• As an alternative, the sanding block may also be used.
• Optimum contact is ensured when the components to be secured are tightened to the specified torque after cleaning.
• Danger of injury! Observe warning notices and safety regulations ! — Teach in electric windows again, enter radio code, set clock and, if necessary, recode control units which emit code signals.

📋 Procedure

1. ⚠ Danger of injury! Observe warning notices and safety regulations ! — Disconnect battery.
2. Loosen cap nut and remove ring terminal from threaded connection.
3. Check ring terminal for corrosion, dirt etc.
4. Select suitable adapter and suitable sanding pad. [Note: As an alternative, the sanding block may also be used.] [Note: As the thickness of the tin coating may differ according to the design, the cleaning process must be performed step by step and a visual check of the ring terminal is necessary between the steps.]
5. ⚠ Take care not to abrade excessively the tin coating and ensure that the copper does not appear. This could produce a galvanic cell which destroys metal and causes faulty repair. — Insert adapter into ring terminal and grind off corrosion and dirt with circular movements.

6. Check ring terminal and regrind if necessary.
7. If necessary, remove punching burr on ring terminal using the deburrer.
8. Tighten ring terminal to specified torque . [Note: Optimum contact is ensured when the components to be secured are tightened to the specified torque after cleaning.]
9. Apply suitable anti-corrosion treatment to connection .
10. Reconnect battery.
11. ⚠ Danger of injury! Observe warning notices and safety regulations ! — Teach in electric windows again, enter radio code, set clock and, if necessary, recode control units which emit code signals.

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