Home/Opel/Meriva/Opel Meriva A (2003-2011)/Repair manual/DOHC Petrol Engine/How to Replace the Intake Manifold (Petrol Engine)
Contents Wiring diagrams Section: DOHC Petrol Engine All sections

How to Replace the Intake Manifold (Petrol Engine) Opel Meriva A

DOHC Petrol Engine 17 illustrations ~946 words

Remove

  1. 1. Open bonnet
  2. 2. Disconnect battery • Detach ground clamp from ground terminal – Undo nut
  3. 3. Remove air intake pipe with air intake hose • Release 2x clamp • Unscrew bolt
  4. 4. Detach engine control unit wiring harness • Disconnect 2x wiring harness plugs (3), (4) • Detach ground connection – Remove bolt (5) • Unclip 2x wiring harnesses
  5. 5. Detach engine control wiring harness • Detach wiring harness plug (2) of engine control unit • Detach wiring harness plug (1) from tank vent valve
  1. 6. Unclip fuel feed and return lines • Open clip
  2. 7. Detach fuel supply line (2) • Disconnect quick-release fitting with KM-796-A • Seal off fuel pipe
  3. 8. Detach fuel return line (1) • Disconnect quick-release fitting with KM-796-A • Seal off fuel pipe
  1. 9. Detach tank vent line from tank vent valve
  2. 10. Detach wiring harness for mixture control oxygen sensor (1) from bracket • Disconnect wiring harness plug (2) • Unclip 2x wiring harnesses
  1. 11. Disconnect wiring harness plug of camshaft sensor (1)
  1. 12. Detach wiring trough (1) • Pull upwards
  1. 13. Detach ground cable from cylinder head • Unscrew bolt (1)
  2. 14. Disconnect wiring harness plug for ignition module (2)
  1. 15. Detach throttle valve module wiring harness • Disconnect wiring harness plug (2) • Unclip wiring harness (1)
  1. 16. Detach wiring harness for coolant temperature sensor • Disconnect wiring harness connector. • Unclip bracket from coolant pipe
  2. 17. Detach wiring harness bracket (1) from engine control unit • Unscrew 2x bolt (2)
  1. 18. Remove engine control unit (2) • Unscrew 2x bolt (1)
  1. 19. Detach fuel injection system wiring harness • Detach wiring trough (1) • Disconnect 4x wiring harness plugs of injectors (2)
  1. 20. Detach wiring harness bracket from intake manifold • Unscrew 3x bolt
  2. 21. Disconnect wiring harness plug of atmospheric pressure sensor
  3. 22. Place engine control wiring harness to one side
  4. 23. Detach vent line for cylinder head cover (4) • Disconnect quick-release fitting (1) • Unclip line • Detach quick-release fitting (2) for cylinder head cover – Detach retaining clamp (3)
  1. 24. Remove engine control unit bracket (1) • Unscrew 4x bolts (2)

Note. Note differing bolt lengths

  1. 25. Raise vehicle all the way
  2. 26. Detach wiring harness for vacuum control solenoid valve (1) • Disconnect wiring harness plug (2) • Unclip wiring harness (4)
  3. 27. Detach vacuum line, air recirculation control (3) • Detach line from solenoid valve • Unclip line
  1. 28. Detach intake manifold at the bottom • Unscrew 2x nuts (1) • Unscrew 2x bolt (2)
  1. 29. Lower vehicle all the way
  2. 30. Detach charge air hose (1) from throttle valve housing (3) • Release clamp (2)
  1. 31. Remove tank vent valve (1) • Disconnect quick-release fitting (3) • Remove holder – Unscrew bolt (2)
  1. 32. Detach intake manifold at the top • Unscrew nut • Unscrew 3x bolt • Lay intake manifold down
  2. 33. Detach engine transport shackle (1) • Unscrew bolt
  1. 34. Remove intake manifold

Install

  1. 35. Insert intake manifold
  2. 36. Attach engine transport shackle • Tighten bolt 25 Nm
  3. 37. Attach intake manifold at the top • Tighten nut 20 Nm • Tighten 3x bolts 20 Nm
  4. 38. Install tank vent valve • Connect quick release fitting • Connect holder – Tighten bolt
  5. 39. Attach charge air hose to throttle valve module • Tighten clamp 3.5 Nm
  6. 40. Raise vehicle all the way
  7. 41. Attach intake manifold at the bottom • Tighten 2x nut 20 Nm • Tighten 2x bolts 20 Nm
  8. 42. Attach vacuum line, air recirculation control • Push line onto solenoid valve • Clip in line
  9. 43. Attach wiring harness for vacuum control solenoid valve • Connect wiring harness plug • Clip wiring harness into position
  10. 44. Lower vehicle all the way
  11. 45. Install engine control unit bracket • Tighten 4 bolts 8 Nm

Note. Note differing bolt lengths

  1. 46. Attach vent line for cylinder head cover • Attach quick-release fitting to cylinder head cover – Attach retaining clamp • Connect quick release fitting • Clip in line
  2. 47. Connect wiring harness plug of atmospheric pressure sensor
  3. 48. Attach wiring harness bracket to intake manifold • Tighten 3 bolts
  4. 49. Attach fuel injection system wiring harness • Connect 4x injector wiring harness plugs • Attach wiring trough
  5. 50. Install engine control unit • Tighten 2x bolt 8 Nm
  6. 51. Attach wiring harness bracket to engine control unit • Tighten 2x bolt 8 Nm
  7. 52. Attach wiring harness for coolant temperature sensor • Connect wiring harness plug • Clip bracket to coolant pipe
  8. 53. Attach throttle valve module wiring harness • Connect wiring harness plug • Clip wiring harness into position
  9. 54. Connect ignition module wiring harness plug
  10. 55. Attach ground cable to cylinder head • Tighten bolt
  11. 56. Attach wiring trough
  12. 57. Connect wiring harness plug of camshaft sensor
  13. 58. Attach wiring harness for mixture control oxygen sensor to bracket • Clip in 2x wiring harnesses • Connect wiring harness plug
  14. 59. Attach tank vent line to tank vent valve
  15. 60. Attach fuel return line • Connect quick release fitting
  16. 61. Attach fuel supply line • Connect quick release fitting
  17. 62. Attach fuel feed and return lines
  18. 63. Attach engine control wiring harness • Attach wiring harness plug to engine control unit • Attach wiring harness plug to tank vent valve
  19. 64. Attach engine control unit wiring harness • Attach ground connection – Tighten bolt • Connect 2 wiring harness plugs • Clip in 2x wiring harnesses
  20. 65. Install air intake pipe with air intake hose • Tighten 2x bolts 3.5 Nm • Tighten bolt
  21. 66. Connect battery
  22. 67. Program volatile memory
  23. 68. Close bonnet