Removing and installing hose connection with thermostat — VW

🧭 Before you start

Fits: VW Phaeton (3D)

• Opens: coolant
• Renewed: o-ring

🔧 Engine codes this applies to

🔩 Torque settings

Values can differ between engine variants — check the code stamped on your block.

ℹ️ Always cross-check the exact figure against your vehicle's factory manual before final tightening — a wrong torque can damage the engine. These values are extracted from workshop data and may not cover every variant or revision.

📐 20 workshop diagrams for BMK

Real factory drawings for this job — timing marks, bolt locations and routing. Locked in the free view.

📋 Procedure

1. Drain coolant .
2. Carefully pull engine cover panel off four retaining pins one after the other (arrows).
3. Bring lock carrier into service position General body repairs, exterior50Body - front; Lock carrier - service position.
4. Remove charge air pipe (A), separate connector (B), loosen fastening nuts on lock carrier and also remove charge air pipe (C).
5. Remove poly V-belt .

6. Disconnect coolant hose (1).
7. Unscrew bolts (arrows) and take out hose connection with thermostat. [Note: Renew O-ring.]
8. Clean sealing surface.
9. Thermostat housing to engine, specified torque: 9 Nm — 9 Nm (6.6 lb-ft)
10. Fill with coolant .

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