Contents Wiring diagrams Section: DOHC Petrol Engine All sections

Adjustment Value, Checking Values Opel Combo C

EngineZ 12 XEZ 12 XEPZ 14 XEP
Idle speed
with manual transmissionrpm750 - 810 1)670 – 830
with automatic transmission750 - 810 1)-
with MTA transmissionrpm670 – 830
Maximum rpmrpm6200 1)
CO contentVol. %1)
Spark plug electrode gapmm0.9 - 1.10,9 ± 0,05
Compression pressurekPa1400 – 1600 2)
Pressure lossnot more than 25% per cylinder
Valve clearancemm0

1

) Correct and adjust according to checking procedure using TECH 2.

2

) The pressure difference between individual cylinders should not exceed 100 kPa.