vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

Remove and install cylinder head (Z 10 XE, Z 10 XEP, with air conditioning, LHD) > < Remove and install cylinder head (Z 12 XE, Z 12 XEP, Z 14 XEP, with air conditioning, LHD)

J307000 Cylinder Head Cover, Remove and Install (Z 14 XE, Z 16 YNG with AC, LHD)

1. Open bonnet

Important:   On vehicles as of model year 04 with ESP - the steering angle sensor loses its basic adjustment each time the battery is disconnected. It must be recalibrated.

2. Disconnect battery

  • Detach ground cable

3. Remove engine cover.

  • Unscrew oil filler pipe cap
  • Remove 2 bolts
  • Screw on oil filler pipe cap

4. Remove ignition module

  • Disconnect wiring harness plug
  • Remove 4 bolts
  • Remove using KM-6009 (1)
  • Caution: Do not tilt

5. Detach preheater hoses for throttle valve module (2)

  • Place collecting basin underneath.
  • From thermostat housing

6. Disconnect wiring harness plug for coolant temperature sensor (3)

  • Unclip from rear toothed belt cover
Object Number: 2410699  Size: DEFAULT

7. Remove cylinder head cover

  • Detach engine vent hose
    • 2 off
  • Remove 10 bolts
  • Remove seal

8. Clean sealing surfaces

  • Cylinder head, cylinder head cover
Object Number: 2410701  Size: DEFAULT

9. Install cylinder head cover

  • Replace gasket
  • Apply sealant to sealing surfaces(1)
    • Caution: Complete assembly operations within 10 minutes
  • Tighten bolts (8 Nm / 6 lbf. ft.)
  • Attach engine vent hoses
  • Connect cable harness plug of oxygen sensor, mixture regulation, heated
Object Number: 2410713  Size: DEFAULT

10. Attach preheater hose for throttle valve module

  • Connect wiring harness plug for coolant temperature sensor
  • Clip in cable

11. Install ignition module

  • Remove KM-6009
  • Tighten bolts (8 Nm / 6 lbf. ft.)
  • Connect wiring harness plug.

12. Install engine cover

  • Unscrew oil filler pipe cap
  • Insert retaining lugs
  • Tighten bolts (8 Nm / 6 lbf. ft.)
  • Screw on oil filler pipe cap
  • Note: Note cable routing

13. Connect battery

14. Calibrate steering angle sensor

  • Switch on ignition

Note:   Rotate the steering wheel one time from its right-hand to its left-hand stop.

15. Check engine oil level

  • Observe specified engine oil quantity

16. Top up coolant

  • Note: Top up and bleed cooling system – see operation "Cooling System, Top Up and Bleed".
  • Observe specified coolant quantity

17. Program volatile memories

18. Close bonnet


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Remove and install cylinder head (Z 10 XE, Z 10 XEP, with air conditioning, LHD) > < Remove and install cylinder head (Z 12 XE, Z 12 XEP, Z 14 XEP, with air conditioning, LHD)