Removing and Installing Engine Vent Pipe Opel Astra H

Remove

1. 1. Remove air intake manifold • Unscrew bolt (2)
2. 2. Remove engine vent hose from cylinder head cover • Release clamp (4)
3. 3. Detach air intake pipe from air intake hose • Release clamp (1) – Release clamp
4. 4. Detach air intake pipe from turbocharger • Release clamp (3)

Note. Seal air intake pipe at turbocharger

5. 5. Remove air intake pipe

6. 6. Remove engine vent hose (3)
7. 7. Detach front coolant pipe (1) with engine transport shackle from cylinder head and put to side
8. 8. Detach heat shield (2) from exhaust manifold and remove

9. 9. Remove 2x bolt (1) and remove engine vent flange.

10. 10. Clean sealing surfaces.

Install

11. 11. Fit new gasket (2)

Note. Note installation position, bead (3) must point upward towards engine vent flange

12. 12. Attach engine vent flange to cylinder block 25 Nm
13. 13. Attach heat shield to exhaust manifold 9 Nm
14. 14. Attach front coolant pipe with engine transport shackle to cylinder head 20 Nm
15. 15. Install engine vent hose
16. 16. Remove seal from turbocharger air intake pipe
17. 17. Attach engine vent hose to cylinder head cover • Fasten clamp
18. 18. Attach air intake pipe to turbocharger • Fasten clamp
19. 19. Attach air intake pipe to air intake hose • Fasten clamp
20. 20. Screw in bolt