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How to Replace the Timing Case Seal Ring Opel Astra H

DOHC Petrol Engine 4 illustrations ~335 words

Remove

  1. 1. Raise vehicle
  2. 2. Remove right engine splash guard (2) • Unscrew 4x bolts (1) • Remove 2x body-bound rivets (3)
  1. 3. Remove ribbed V-belt • Mark direction of rotation • Apply tension to ribbed V-belt tensioner (arrow) clockwise with KM-6131 • Insert KM-955-2 (1) • Relieve tension on ribbed V-belt tensioner
  1. 4. Remove crankshaft belt pulley (1) • Unscrew 6x bolts – Counterhold against the bolt of the crankshaft hub
  2. 5. Position the engine to "TDC of combustion stroke, cylinder 1" by the bolt of the crankshaft hub • Marking on crankshaft hub must point upwards.
  3. 6. Remove crankshaft hub • Insert KM-6013 (3) – Tighten 2x bolts • Counterhold with KM-956-1 in conjunction with KM-956-2 (4) • Unscrew bolt • Take out crankshaft hub (2)

Important. Do not damage sealing surfaces

  1. 7. Prise seal ring, timing case / front of crankshaft (1) out of timing case with a suitable tool
  2. 8. Clean sealing surfaces.
  3. 9. Install seal ring timing case/front of crankshaft • Coat sealing lip of new seal ring with silicone grease • Slide seal ring onto KM-960 (2) • Drive seal ring into timing case with KM-960 until flush

Install

  1. 10. Attach crankshaft hub • Marking on crankshaft hub must point upwards.
  2. 11. Attach crankshaft hub • Screw in bolt – Use new bolt • Attach KM-6013 – Tighten 2x bolts • Tighten fastening bolt, crankshaft hub 150 Nm + 45° + 15° – Counterhold with KM-956-1 in conjunction with KM-956-2

Note. Use a second person

  1. 12. Attach crankshaft belt pulley to crankshaft hub • Tighten 6x bolt 8 Nm – Counterhold against the bolt of the crankshaft hub
  2. 13. Insert ribbed V-belt • Position ribbed V-belt – Ensure correct running direction and installation position • Apply tension to ribbed V-belt tensioner with KM-6131 • Remove KM-6130 • Relieve tension on ribbed V-belt tensioner
  3. 14. Attach right engine splash guard • Tighten 4x bolts • Install 2x body-bound rivets
  4. 15. Lower vehicle