Removing and installing upper left coolant pipe — VW

🔧 Engine codes this applies to

📋 Procedure

1. Remove engine cover panel .
2. Drain coolant .
3. Remove coolant pipe (rear) .
4. Remove coolant pipes (left-side) .
5. Remove front exhaust pipe .

6. Open heat insulation sleeve (1).
7. Remove connector (4) from retainer, release it, and pull it off.
8. Lay wire to one side.
9. Disconnect connectors (3 and 5) and lay wiring harness to one side.
10. Remove bolt (2) and move bracket with pressure differential sender G505 towards rear.
11. Open heat insulation sleeve (1).
12. Disconnect connectors (3, 4, 5, 6) and lay wiring harness to one side.
13. Remove bolt (2).
14. Move bracket with pressure differential senders towards rear.
15. Remove connecting piece on turbocharger .
16. Open hose clips (1) and (3), and remove coolant hoses.
17. Unscrew bolts (2) and (4).
18. Remove wire from retainer, and remove coolant pipe.
19. Release and pull off connectors on plenum chamber bulkhead .
20. Lay wires to one side.
21. Release lines from retainers on plenum chamber bulkhead and on turbocharger.
22. Push heat insulation sleeve to one side and unplug electrical connector (5).
23. Release hose clip (3) and detach air hose.
24. Release hose clip (4) and detach coolant hose.
25. Remove bolt (1) and loosen bolt (2).
26. Loosen bolt (1) and remove screw-type clip.
27. Loosen centre hex stud (2) and push coolant pipe slightly towards rear.
28. Remove bolts (arrows) and press catalytic converter with particulate filter and exhaust gas recirculation cooler towards rear.
29. Release hose clip (1) and detach coolant hose.
30. Remove centre hex stud (2) and bolt (3) and take off coolant pipe (rear right). [Note: Renew O-ring after removal.Secure all hose connections with hose clips meeting production standard Electronic Parts Catalogue.]
31. Install emission control module .
32. Install front exhaust pipe .
33. Install rear coolant pipe .
34. Install left coolant pipes .
35. Fit engine cover panel .
36. Replenish coolant .

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