Vauxhall Workshop Service and Repair Manuals > Astra H > J Engine and Engine Aggregates | Cooling System | Specifications

Coolant Circuit

Engine				Z 16 XEP	Z16XE1	A 16 XER / Z 16 XER
Coolant filling quantity 1)
	Manual transmission
		without air conditioning	l	6.1	5.9	6.9
		with air conditioning	l	6.3	5.9	6.9
Coolant pump
	Type			Centrifugal pump
	Delivery rate 2)		l / min	160
			rpm	6000
Thermostat
		Type		Performance characteristics, controlled
Start of opening
		electrical	°C	90
		thermal	°C	105

1 ) Use only antifreeze approved by Opel and a concentration of 50% antifreeze and 50% water.
2 ) For a coolant temperature of 20 °C / 68 °F.

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