Contents Wiring diagrams Section: DOHC Diesel Engine All sections

Checking and Adjustment Values Opel Astra G

EngineZ-17 DTL
Idle speed
with manual transmissionrpm800 – 900 1)
with automatic transmissionrpm-
Cut off speedrpm5100 - 5300
CompressionkPa2600 – 3000
Pressure lossnot more than 25% per cylinder
Valve play
(cold)
Intake valvemm0,4 ± 0,05
Exhaust valvemm0,4 ± 0,05

1

) Correction and checking according to Checking Procedure with TECH2.