Contents Wiring diagrams Section: Cooling System All sections

How to Replace the Radiator Opel Astra H

Cooling System 12 illustrations ~570 words

Remove

  1. 1. Open bonnet
  2. 2. Disconnect battery • Detach earth connection from earth terminal – Slacken nut
  3. 3. Remove front panelling
  4. 4. Secure radiator to upper brackets (1) • Insert 2x suitable tools
  1. 5. Place collecting basin underneath.
  2. 6. Drain coolant • Open drain bolt on radiator (1) • Collect coolant • Close drain bolt
  1. 7. Detach fan wiring harness from fan housing • Disconnect wiring harness plug (1) • Undo cable tie
  1. 8. Remove bracket, right side of radiator (2) • Unscrew 2x bolts
  2. 9. Remove bracket, left side of radiator (1) • Unscrew 2x bolts
  1. 10. Lower vehicle by its full height
  2. 11. Remove charge pressure sensor (1) • Unscrew bolt
  3. 12. Detach charge air hose from intercooler • Release clamp (2)
  4. 13. Detach turbocharger coolant return hose from radiator • Release clamp (3) • Unclip from bracket
  1. 14. Detach charge air cooler from condenser • Unscrew bolt (2), unscrew nut (1)

Note. Coolant module is shown removed to give a clearer illustration

Note. Tilt intercooler forward in lower bracket

  1. 15. Detach fan from radiator • Unscrew 2x bolts (1) • Remove fan from vehicle in direction of arrow

Note. Coolant module is shown removed to give a clearer illustration

  1. 16. Detach upper radiator hose from radiator • Release clamp (1)
  1. 17. Detach lower radiator hose from radiator • Release clamp (1)
  1. 18. Raise vehicle by half its height
  2. 19. Detach air conditioning wiring harness from radiator • Undo cable tie (1)
  1. 20. Detach charge air hose (1) from radiator • Detach clamp – Unscrew bolt (1)
  1. 21. Detach condenser from radiator • Unscrew 3x bolts (1)

Note. Condenser is shown removed to give a clearer illustration

  1. 22. Suspend condenser with intercooler from closure plate
  2. 23. Remove 2x radiator retainers from bracket
  3. 24. Carefully remove radiator from below

Note. Avoid damaging the radiator fins

Install

  1. 25. Install radiator from below • Insert 2x radiator retainers in bracket
  2. 26. Install 2x radiator retainers in bracket
  3. 27. Detach condenser with intercooler from closure plate
  4. 28. Attach condenser to radiator • Tighten 3x bolts
  5. 29. Attach charge air hose to radiator • Attach clamp – Tighten bolt
  6. 30. Attach air conditioning wiring harness to radiator • Connect cable ties
  7. 31. Lower vehicle by half its height
  8. 32. Attach lower radiator hose to radiator • Fasten clamp
  9. 33. Attach upper radiator hose to radiator • Fasten clamp
  10. 34. Install fan housing • Clip coolant hose into bracket
  11. 35. Attach fan housing to radiator • Screw in 2x bolts
  12. 36. Attach intercooler to condenser • Tighten 2x bolt 5 Nm

Important. Insert bolt with screw locking compound

  1. 37. Attach coolant return hose from turbocharger to radiator • Fasten clamp • Mount in bracket
  2. 38. Attach charge pressure sensor • Tighten bolt
  3. 39. Fit charge air hose between charge air pipe and intercooler • Tighten 2x clamps
  4. 40. Raise vehicle by its full height
  5. 41. Install left radiator bracket • Tighten 2x bolt 15 Nm
  6. 42. Install right radiator bracket • Tighten 2x bolt 15 Nm
  7. 43. Attach fan wiring harness to fan housing • Connect cable ties • Fix wiring harness plug
  8. 44. Fit front panelling
  9. 45. Lower vehicle by half its height
  10. 46. Remove 2x radiator retainers from bracket
  11. 47. Connect battery • Attach ground connection to ground terminal – Tighten nut
  12. 48. Fill with coolant and correct coolant level
  13. 49. Programme transient memory
  14. 50. Close bonnet