System capacity (together with the heater) — 5.8 l
Coolant specification - Antifreeze acc. BS 3151, 3152
Thermostat
Type - With wax capsule
Location: Upper left side of cylinder head
Opening temperature: 80°-83°C
The temperature at which the thermostat valve opens by 7.5 mm is 95°C
Radiator
The pressure of the plug safety valve is 0.8 bar
Radiator pressure test pressure: 0.8 bar
Water pump and cooling fan
Pump type: Centrifugal vane
The gap between the fan hub and the pump pulley is 0.35 mm
Fan drive - Electromagnetic
Fan switch-on temperature: 87°-89°C
Fan shut-off temperature: 77.5°-81°C
Current in the electromagnet winding at 12 V is 0.7-0.9 A
Drive belt play is 1.5-2% or 13 mm
Tightening torque (Nm)
- Auxiliary pulley bolts M7 - 12.7
- Lower Auxiliary Pulley Pivot Bolt - 53.8
- Temperature sensor (with conical socket - without sealing washer) - 27.1
Cooling system - XU engines
System type: Sealed, closed, with expansion tank, water pump and cooling fan
System capacity (together with the heater) — 6.7 l (approximately)
Pump drive - From the camshaft drive belt
Thermostat
Opening temperature: 79°C
The temperature at which the thermostat valve opens by 7.5 mm is 94°C
Fan
Drive - Electric motor controlled by a thermal switch (thermal switches)
Thermal switch - XU5 (except for models with automatic transmission):
- Switch-on temperature: 85°-95°C
- Shut-off temperature: 75°-85°C
Thermal switch - XU5 with automatic transmission and XU9:
- Low speed switch-on temperature is 84°C
- Low speed cut-off temperature: 79°C
- High speed switch-on temperature: 89°C
- High speed cut-off temperature: 85°C
High Coolant Temperature Warning Light Switch: Activation Temperature: 105°C
Tightening torque (Nm)
- Water pump bolts - 9.5
- Thermostat elbow nuts - 14.9