Check And Replacemeant Of Engine Coolant - Toyota Supra 1990 Manual

COOLING SYSTEM - Check and Replacement of Engine Coolant
CO-5
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CHECK AND REPLACEMENT OF
ENGINE COOLANT
1. CHECK ENGINE COOLANT LEVEL AT RESERVE TANK
The coolant level should be between the "LOW" and
"FULL" lines at low temperature.
If low, check for leaks and add coolant up to the "FULL"
line.
2. CHECK ENGINE COOLANT QUALITY
There should not be any excessive deposits of rust or scales
around the radiator cap or radiator filler hole, and the
coolant should be free from oil.
If excessively dirty, replace the coolant.
3. REPLACE ENGINE COOLANT
(a) Remove the radiator cap.
CAUTION: To avoid the danger of being burned, do not
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remove it while the engine and radiator are still hot, as fluid
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and steam can be blown out under pressure.
(b) Drain the coolant from radiator and engine drain
cocks.(Engine drain is at right rear of cylinder block.)
(c) Apply sealant to the threads of the engine drain cock.
Sealant: Part No. 08833-00070, THREE BOND 1324
or equivalent
(d) Close the drain cocks.
Torque (Engine drain cock):
350 kg-cm (25 ft-Ib, 34 Nom)
(e) Fill system with coolant.
Use a good brand of ethylene-glycol base coolant,
mixed according to the manufacturer's directions.
Using coolant which includes more than 50%
ethylene-glycol (but not more than 70%) is recom-
mended.
NOTICE:
• Do not use alcohol type coolant.
• The coolant should be mixed with demineralized water
or distilled water.
Capacity:
7M-GE
MIT
AIT
7M-GTE
8.1 liters (8.5 US qts, 7.1 Imp. qts)
8.0 liters (8.5 US qts, 7.0 Imp. qts)
MIT
8.2 liters (8.7 US qts, 7.2 Imp. qts)
AIT
8.1 liters (8.5 US qts, 7.1 Imp. qts)
(f) Install the radiator cap.
(g) Start the engine and check for leaks.
(h) Recheck the coolant level and refill as necessary.