vauxhall Workshop Repair Guides

Vauxhall Workshop Service and Repair Manuals

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Check engine pressure loss > < Replace turbocharger oil return line

Astra H

Compression, Check

Spezialwerkzeugliste:
  • KM-194-E

Note:   Condition: Engine at operating temperature (oil temperature min. 80 °C)

1.   Open bonnet
2.   Remove engine cover
3.   Remove ignition module (1)
•   Unscrew 4x bolts (2)
•   Release and unplug wiring harness plug
Object Number: 2416672 Size: DEFAULT


4.   Remove 4 spark plugs with KM-194-E
Object Number: 2417985 Size: DEFAULT


5.   Establish communication
•   Connect Tech 2
•   Call actuator test
•   Select compression test
6.   Check compression using compression testing device
•   4 cylinder
Note:   2nd mechanic is required
•   Start engine (approx. 4 seconds)
Note:   Engine revs at least 300 rpm
•   Compare compression values
7.   Stop communication
•   Remove Tech 2

  Install

8.   Install spark plugs
•   Tighten 4 spark plugs using KM-194-E 25 Nm
9.   Attach ignition module
•   Tighten 4x bolt 9 Nm
•   Connect and lock wiring harness plug
10.   Attach engine cover
11.   Close bonnet

Check engine pressure loss > < Replace turbocharger oil return line