TorqFix

Removing and installing refrigerant line between condenser and heat exchanger for high-voltage battery, refrigerant line with internal heat exchanger, Passat GTE — VW

Removing and installing refrigerant line between condenser and heat exchanger for high-voltage battery, refrigerant line with internal heat exchanger.

Workshop procedure for VW — the exact step sequence and torque figures, straight from real workshop data.

14 steps

🧭 Before you start

Fits: VW Passat B8 (3G, 2014–)

  • Renewed: seals
  • Also covered elsewhere: Electronic Parts Catalogue

Don't miss

  • Moisten seals with refrigerant oil before installing.

📋 Procedure

  1. Observe safety precautions Safety precautions when working on air conditioning systems.
  2. Comply with notes Working on refrigerant circuit.
  3. Observe safety precautions when working in the vicinity of high-voltage components .
  4. Extract refrigerant with air conditioning service station. Comply with notes .
  5. Lay coolant expansion tank to one side.
VW? Steps differ between engine variants — check this job against your exact car before you commit to it. Check my car — free →
  1. Remove bracket (1).
  2. Unscrew nut (4).
  3. Remove refrigerant line (5).
  4. Remove bolts (6).
  5. Disconnect connectors (2) and (7).
  6. Unclip refrigerant line (1) from retainers (3).
  7. Loosen bolt (9), and remove retainer (8).
  8. Remove refrigerant line (1).
  9. Renew seals. For versions, refer to Electronic Parts Catalogue. [Note: Moisten seals with refrigerant oil before installing.]

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

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Workshop data on this page last updated 20 Sep 2026.