Removing and installing gas pressure regulator, Touran — VW

🧭 Before you start

Fits: VW Touran I (1T, 2003–2015), VW Passat B6 (3C, 2005–2010), VW Passat B7 saloon (362, 2010–2014), VW Passat B7 Variant (365, 2010–2014)

Don't miss

• Risk of scalding! Allow engine to cool before pulling off coolant hoses. — Open clamps, and pull off coolant hoses.
• Counterhold on union with open-end wrench while doing so.

🔧 Engine codes this applies to

📐 41 workshop diagrams for CDGA

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

📋 Procedure

1. Observe safety precautions .
2. Observe rules for cleanliness .
3. Observe safety precautions when working on natural gas system .
4. Detach exhaust hanger (1), and loosen clamp (2).
5. Remove exhaust pipe.

6. Remove protective covers on underbody Fuel supply system – natural gas engines20Fuel tank; Assembly overview - fuel tank.
7. Release and unplug connectors (1).
8. Close mechanical shut-off valves (2) on all natural gas tanks using hand wheel T50026.
9. ⚠ Release pressure in the system before working on the natural gas system. — Release pressure in high-pressure line Fuel supply system – natural gas engines20Fuel tanks; Releasing pressure in high-pressure line.
10. Disconnect battery Electrical system27Battery; Disconnecting and reconnecting battery.
11. Release and unplug connectors (1).
12. Clamp off coolant hoses (2) with hose clips up to 25 mm3094.
13. ⚠ Risk of scalding! Allow engine to cool before pulling off coolant hoses. — Open clamps, and pull off coolant hoses.
14. Unbolt low-pressure line (4) and high-pressure line (3) from gas pressure regulator.
15. Counterhold on union with open-end wrench while doing so.
16. Immediately seal open connections with suitable plugs from engine bung setVAS 6122.
17. Unscrew securing bolts and nuts (arrows) from bracket.
18. ⚠ On fuel lines that are newly installed (initial installation), union nuts should first be tightened hand-tight, then turned 180° further.In case of repair, union nuts are also first tightened hand-tight, then turned 90° further. — Observe test prerequisites 00Gas system test; Test prerequisites for gas systems.
19. Perform gas system test 35.1Description of work; Performing visual inspection of natural gas tanks for corrosion and leakage test.

Other VW procedures

• Removing and installing oil spray jets – VW Jetta VI
• Removing and installing tank pressure sensor G400, Passat
• Removing and installing tank pressure sensor G400, Touran
• Installing new securing straps – VW Touran I BSX/CDGA
• Removing and installing regulating flap control unit J808 and throttle valve module J338
• Removing engine · 41 torque figures
• Removing and installing camshaft – VW Golf Cabriolet · 47 torque figures
• Adjusting valve timing – VW Passat B5 · 83 torque figures
• Removing and installing camshafts – VW Passat B6 · 39 torque figures
• Removing and installing coolant pump · 53 torque figures