MR2 L4-122 1998cc 2.0L DOHC Turbo (3S-GTE) (1991)
a. Set the heater control lever to hot.
b. Open the radiator and heater air drain plugs above three turns.
c. Slowly fill the water filler with coolant.
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Use a good brand of ethylene-glycol base coolant, mixed according to the manufacturer's directions.
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Using coolant which includes more than 50% ethylene-glycol (but not more than is recommended).
NOTICE:
Do not use alcohol type coolant.
The coolant should be mixed with demineralized water or distilled water.
Capacity (w/Heater):
3S-GTE 13.6 liters (14.4 US qts)
5S-FE 13.0 liters (13.7 US qts)
d. Check that air is absent from the air drain plugs of the radiator and heater while filling the water filler inlet to the top with coolant.