M45 V8-4.5L (VK45DE) (2006)
Coolant: Testing and Inspection
Inspection
LEVEL CHECK
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Check if the reservoir tank engine coolant level is within the MIN to MAX when engine is cool.
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Adjust the engine coolant level as necessary.
LEAK CHECK
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To check for leaks, apply pressure to the cooling system with radiator cap tester (commercial service tool) and radiator cap tester adapter (SST).
Testing pressure: 157 kPa (1.6 kg/cm2, 23 psi)
WARNING: Do not remove radiator cap when engine is hot. Serious burns could occur from high-pressure engine coolant escaping from
thermostat housing.
CAUTION: Higher testing pressure than specified may cause radiator damage.
NOTE: In a case engine coolant decreases, replenish radiator with engine coolant.
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If anything is found, repair or replace damaged parts.