System capacity (along with heater) - 5.8 l
Coolant specification - Antifreeze acc. BS 3151, 3152
Thermostat
Type - With wax capsule
Location - Top left side of cylinder head
Opening temperature — 80°-83°С
The temperature at which the thermostat valve opens 7.5 mm - 95°C
Radiator
Plug safety valve pressure - 0.8 bar
Radiator pressure test pressure - 0.8 bar
Water pump and cooling fan
Pump type - centrifugal vane
Gap between fan hub and pump pulley - 0.35 mm
Fan drive - Electromagnetic
Fan start temperature — 87°-89°С
Fan switch-off temperature — 77.5°-81°С
The current in the electromagnet winding at 12 V is 0.7-0.9 A
Drive belt backlash - 1.5-2% or 13 mm
Torque (N·m)
- Bolts M7 auxiliary pulley - 12.7
- Lower Auxiliary Pulley Pivot Bolt - 53.8
- Temperature sensor (with conical seat - without sealing washer) — 27,1
Cooling System - XU Engines
System type - Sealed closed, with expansion tank, water pump and cooling fan
System capacity (along with heater) - 6.7 l (approximately)
Pump drive - From the camshaft drive belt
Thermostat
Opening start temperature - 79°С
The temperature at which the thermostat valve opens 7.5 mm - 94°C
Fan
Drive - Electric motor controlled by thermal switch (thermal switches)
Thermal switch - XU5 (except models with automatic transmission):
- Switch-on temperature — 85°-95°С
- Switch-off temperature — 75°-85°С
Thermal switch - XU5 with automatic transmission and XU9:
- Low speed start temperature - 84°C
- Low speed cutout temperature - 79°C
- High speed start temperature - 89°C
- High speed cutout temperature - 85°C
High coolant temperature warning light switch: Response temperature - 105°C
Torque (N·m)
- Water pump bolts - 9.5
- Thermostat elbow nuts - 14.9