Removing and installing lower front coolant pipe: VW Passat B8 (CKFC, CLHA, CLHB, CLHC, …)

🧭 Before you start

Fits: VW Passat B8 (3G, 2014–)

• Opens: coolant
• Renewed: seals

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• Renew seals and O-rings after removal.Secure all hose connections with hose clips meeting production standard Electronic Parts Catalogue.

🔧 Engine codes this applies to

📋 Procedure

1. Remove engine cover panel .
2. Drain coolant .
3. Remove air duct and air filter .
4. Remove radiator cowl .
5. Install protective matVAS 531003 to vehicle as shown in illustration.

6. Remove coolant pipe (top front) .
7. Remove front coolant connection .
8. Remove front right coolant pipe .
9. Remove front coolant pipe .
10. Remove coolant pipe at front below intake manifold .
11. Remove charge pressure pipe (1).
12. To do this, loosen clamps (arrows).
13. Remove oil filter housing .
14. Remove throttle valve module J338.
15. Remove exhaust gas recirculation control motor V338.
16. Loosen hose clips (arrows).
17. Pull coolant hose (2) off thermostat housing (1).
18. Pull coolant hose (3) off oil filter housing (4).
19. Unscrew bolts (3).
20. Unscrew bolt (arrow), and remove bracket (1).
21. Lift retaining clip (4) and disconnect coolant hose.
22. Remove bolts (arrows).
23. Pull off locking clip (2).
24. Pull thermostat housing (3) at bottom front off coolant pipe (1), and remove it.
25. Release hose clip (1) and detach coolant hose.
26. Remove bolt (4).
27. Pull off coolant pipe at bottom front (3), and remove it.
28. Do not damage vacuum line (2) while doing so. [Note: Renew seals and O-rings after removal.Secure all hose connections with hose clips meeting production standard Electronic Parts Catalogue.]
29. Clean and smoothen sealing surfaces for seals and O-rings.
30. Lubricate seals and O-rings with coolant.
31. Install oil filter housing .
32. Connect coolant hose with plug-in connector .
33. Replenish coolant .

Other VW procedures

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