Removing and installing additional brake light bulb M25, hatchback — VW
Removing and installing additional brake light bulb M25, hatchback on VW: 10 steps. What to remove, in what order, and what to check after.
Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.
🧭 Before you start
Fits: platform codes 601, 641, 603, 643
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- Make sure the seal is not damaged when removing the additional brake light. — Insert plastic wedge T10039/1(1) at top between additional brake light bulb M25(2) and rear lid.
- When installing additional brake light bulb M25, ensure the seal is seated correctly. The seal must not form loops or be damaged. — Connect hose connection and connectors.
📋 Procedure
- Switch off ignition and all electrical loads, and pull out ignition key.
- Attach a strip of adhesive tape (1) to the area of the rear lid above the additional brake light.
- ⚠ Make sure the seal is not damaged when removing the additional brake light. — Insert plastic wedge T10039/1(1) at top between additional brake light bulb M25(2) and rear lid.
- Release additional brake light bulb M25 by pushing wedge (1) in (direction of arrow) and remove it from rear lid taking connected wiring lengths into consideration.
- Unfasten connector (2) and disconnect.
- If necessary, pull out hose lock (arrow) and pull hose connection (1) off additional brake light bulb M25, then remove additional brake light bulb M25.
- Renewing spray jet of rear window washer system
- ⚠ When installing additional brake light bulb M25, ensure the seal is seated correctly. The seal must not form loops or be damaged. — Connect hose connection and connectors.
- Clip brake light back into rear lid, starting at bottom.
- Check additional brake light bulb M25 and rear window washer system for fault-free function .
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Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.