ENGINE MAINTENANCE — Changing Engine Coolant (Cont'd) / Checking Cooling System
MA-10prose procedureChanging Engine Coolant (Cont'd)
IMPORTANT
Make sure that anti-freeze is ethylene glycol based and that the mixture ratio with (soft) water is correct.
Anti-freeze / Soft water mixture ratio
-15
Outside temperature down to — °F5
Anti-freeze30%
Soft water70%
-35
Outside temperature down to — °F-30
Anti-freeze50%
Soft water50%
| Specification | Value |
|---|---|
| Coolant capacity (With reservoir tank) | 4liters (7 Imp pt) |
Coolant capacity (With reservoir tank)
4liters (7 Imp pt)
Checking Cooling System
CHECKING HOSES
Check hoses for improper attachment and for leaks, cracks, damage, loose connections, chafing and deterioration.
CHECKING RADIATOR CAP
Apply pressure to radiator cap with cap tester to see if it is satisfactory.
| Specification | Value |
|---|---|
| Radiator cap relief pressure | 78 - 98kPa (0.78 - 0.98 bar, 0.8 - 1.0 kg/cm², 11 - 14 psi) |
Radiator cap relief pressure
78 - 98kPa (0.78 - 0.98 bar, 0.8 - 1.0 kg/cm², 11 - 14 psi)
Pull the negative-pressure valve to open it. Check that it closes completely when released.
CHECKING COOLING SYSTEM FOR LEAKS
Apply pressure to the cooling system with cap tester to check for leakage.
| Specification | Value |
|---|---|
| Testing pressure | 98kPa (0.98 bar, 1.0 kg/cm², 14 psi) |
Testing pressure
98kPa (0.98 bar, 1.0 kg/cm², 14 psi)
CAUTION
Higher pressure than the specified value may cause damage to radiator.