Technical Data
System type Pressurised, thermo-syphon, pump and fan assisted
System capacity:
with heater 6 1/4 pints (3.55 litres)
without heater 5 1/4 pints (3.0 litres)
Anti-freeze To Bs 3151 or BS 3152
Solution Amount of anti-freeze Commences freezing Frozen solid
% Pt U.S. Pt Litres deg C deg F deg C deg F
25 1 1/2 1.8 0.85 -13 9 -26 -15
33 1/2 2 2.5 1.2 -19 -2 -36 -33
50 3 1/4 3.75 1.8 -6 -33 -48 -53
Water pump
Type Centrifugal
Drive V-belt
Overhaul clearances:
Bearing outer race to water seal seating 0.53 to 0.54 in (13.54 to 13.79 mm)
Impeller vane to pump body 0.020 to 0.030 in (0.51 to 0.76 mm)
Pulley hub face to pump joint face 3.71 to 3.73 in (94.3 to 94.8 mm)
Pressure cap:
Early cars 7 lb/sq in (0.49 kg/cm2)
Up to 1974 13 lb/sq in (0.91 kg/cm2)
1974 on (to ECE 15) 15 lb/sq in (1.05 kg/cm2)
Thermostat:
Type Bellows or wax
Opening temperatures:
Standard 82'C(180'F)
Cold climate 88'C(188'F)
Hot climates 74'C or 77'C (165'F or 170'F)
1976 on 88'C(188'F)
Fan belt tension 1/4 in (13 mm) deflection on longest run
Torque wrench settings lbf ft Nm
Water pump 14 to 18 19 to 25
Thermostat cover 6 to 9 8 to 12
Temperature gauge sender 16 22