Contents Section: Cooling System (mechanical) All sections

Cooling System Specifications Honda Prelude II

COOLING FAN THERMOSWITCH

On Accord and Prelude models, thermoswitch comes on at 187-199°F (87-93°C), and goes off at 181-185°F (83-85°C). On Civic models, thermoswitch comes on at 191-196°F (88.5-91.5°C), and goes off at 186-188°F (85.5-86.5°C).

RADIATOR CAP

On all models, radiator cap pressure relief valve opens at approximately 11-15 psi (.77-1.05 kg/cm 2 ).

THERMOSTAT

On Accord and Prelude models, standard thermostats have primary and secondary opening stages. Primary begins opening at 176-183°F (80-84°C), secondary begins opening at 181-187°F (83-87°C), and thermostat fully opens at 203°F (95°C).

Optional thermostat on Accord and Prelude models begins opening at 187-194°F (86-90°C), and fully opens 212°F (100°C). On Civic models, thermostat begins opening at 169-172°F (76-78°C), and fully opens at 196°F (91°C).

ApplicationQuarts (L)
Accord & Prelude (1)
Auto. Trans.7.9 (7.5)
Man. Trans.7.2 (6.8)
Civic (1)
1.3L4.6 (4.4)
1.5L5.8 (5.5)
(1) Includes heater and reservoir.
(1)Includes heater and reservoir.

COOLANT CAPACITY