Removing and installing temperature sender for engine temperature regulation G694 — VW
Removing and installing temperature sender for engine temperature regulation G694 on VW: 10 steps, engines CGNA, CGRA, CJGD, CJMA.
Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.
🧭 Before you start
Fits: VW Touareg II (7P, 2010–2018)
- Renewed: o-rings
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- Use cloth to catch escaping coolant.
- Renew O-rings.Insert new temperature sender for engine temperature regulation G694 immediately in order to avoid loss of coolant.
📋 Procedure
- Briefly open cap of coolant expansion tank in order to eliminate excess pressure in the cooling system, then tighten the cap again until it engages.
- Remove engine cover panel .
- Remove poly V-belt .
- Take off cover (1).
- Undo bolt (2) and remove idler pulley.
- Disconnect electrical connector (1). [Note: Use cloth to catch escaping coolant.]
- Undo bolt (2) and pull off temperature sender for engine temperature regulation G694. [Note: Renew O-rings.Insert new temperature sender for engine temperature regulation G694 immediately in order to avoid loss of coolant.]
- Install idler pulley.
- Install poly V-belt .
- Check coolant level.
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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.