Replace Oil Pump Seal Ring - Replace Front Crankshaft Seal Ring Opel Astra H

Remove

1. 1. Remove air filter housing with mass air flow meter • Detach mass air flow meter wiring harness plug (3) • Detach air intake hose from air intake pipe – Release clamp (2) • Unscrew bolt (1)

2. 2. Remove fastening bolts (1) and remove top front toothed belt cover from rear toothed belt cover

3. 3. Mark direction of travel of ribbed V-belt.
4. 4. Tension ribbed V-belt tensioner in direction of arrow
5. 5. Remove ribbed-V-belt

6. 6. Remove lower engine splash guard
7. 7. Tension ribbed V-belt tensioner (clockwise) • Lock using suitable drift
8. 8. Undo fastening screws (1) and remove ribbed V-belt tensioner • Remove from compressor support

9. 9. Remove torsional vibration damper • Counterhold at toothed belt drive gear fastening bolt
10. 10. Remove fastening bolts (1) • Detach lower section of toothed belt cover from rear toothed belt cover

11. 11. Attach KM-6173 (3) to front axle body • Raise support bearing (2) until journal sits flush in mount (1) on cylinder block

12. 12. Slacken fastening bolts (arrows) for adjusting rails at KM-6001-A (1).
13. 13. Insert KM-6001-A as shown

Note. The journals (2) and (5) must sit in the guide holes of the front axle body

14. 14. Tighten fastening bolts for adjustment rails.
15. 15. Screw up front support bearing (4) and rear support bearing (3) until they rest against front engine damping block guide journals and rear engine damping block bracket

Note. Guide journals must rest in support bearings without play

16. 16. Detach engine damping block (1) • from side member and engine damping block support

17. 17. Move crankshaft to "Cylinder no.1 ignition TDC" in direction of engine rotation (mark 3) • Rotate at toothed belt drive gear fastening bolt

Important. Turn crankshaft slowly and smoothly

Note. Notches on camshaft sprockets must align with marks (1) on cylinder head cover

18. 18. Lock camshafts with KM-853 (2)
19. 19. Undo toothed belt tension roller fastening bolt
20. 20. Rotate eccentric adjuster in direction of arrow (clockwise) until pointer (4) is just before left stop
21. 21. Mark toothed belt direction of rotation
22. 22. Remove toothed belt

23. 23. Remove toothed belt drivewheel

Note. Counterhold with KM-662-C (1)

24. 24. Edge out crankshaft seal ring with suitable tool

Note. Do not damage sealing surfaces

Install

25. 25. Push seal ring into oil pump with KM-693-A (2) • Use bolt and washer from toothed belt drive gear
26. 26. Attach toothed belt drive gear with new bolt to crankshaft 130 Nm + 45° ± 5° • Counterhold with KM-662-C
27. 27. Check toothed belt for wear – replace if necessary.
28. 28. Pay attention to toothed belt direction of movement. Fit toothed belt

Note. Ensure that tension side (I) is taut

Note. Observe timing marks!

29. 29. Adjust toothed belt tension
30. 30. Attach engine damping block to side member 35 Nm
31. 31. Attach engine damping block bracket to engine damping block support 55 Nm
32. 32. Remove mounts KM-6001-A and KM-6173 .

33. 33. Attach lower section of toothed belt cover to rear toothed belt cover 6 Nm
34. 34. Attach torsional vibration damper to toothed belt drive gear 20 Nm • Counterhold at toothed belt drive gear fastening bolt
35. 35. Attach ribbed V-belt tensioner to compressor support 25 Nm
36. 36. Tension ribbed V-belt tensioner (clockwise) and remove detent
37. 37. Install lower engine splash guard
38. 38. Position ribbed V-belt • Ensure running direction and installation position of ribbed V-belt is correct
39. 39. Tension ribbed V-belt using ribbed V-belt tensioner
40. 40. Attach top front toothed belt cover to rear toothed belt cover 6Nm
41. 41. Install air cleaner housing with mass air flow meter • Insert air cleaner housing • Attach air intake hose to air intake pipe – Fasten clamp • Screw in bolt • Connect mass air flow meter wiring harness plug