Vauxhall Workshop Service and Repair Manuals > Astra G > J Engine and Engine Aggregates | Diesel Engine | General | Repair Instructions | Checking and Adjustment Values

Engine Timing > < Repair Instructions|Specifications

Checking and Adjustment Values

Engine			X 20 DTL	Y 20 DTL, Y 20 DTH
Idle speed
	with manual transmission	rpm	760 – 860 1)	1)
	with automatic transmission	rpm	760 – 860 1)	1)
Cut off speed		rpm	4750 1)	5000 ± 50 1)
Exhaust gas opacity value		rpm	1.7
Compression		kPa	2500 – 2800 2)
Pressure loss			not more than 25% per cylinder
Valve play		mm	0

Engine			Y 22 DTR
Idle speed
	with manual transmission	rpm	1)
Cut off speed		rpm	4220 - 5080
Exhaust gas opacity value		rpm	1.7
Compression		kPa	2500 - 2800 2)
Pressure loss			not more than 25% per cylinder
Valve play		mm	0

1 ) Correction and checking according to Checking Procedure with TECH 2.
2 ) The pressure difference between individual cylinders should not exceed 100 kPa.

Related Literature Units
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J Engine and Engine Aggregates
Diesel Engine
General / Repair Instructions
Checking and Adjustment Values

Engine Timing > < Repair Instructions|Specifications