Altima L4-2.5L (QR25DE) (2009)
Coolant: Testing and Inspection
ENGINE COOLANT
System Inspection
WARNING:
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Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure fluid escaping from the radiator.
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Wrap a thick cloth around the cap. Slowly push down and turn it a quarter turn to allow built-up pressure to escape. Carefully remove
the cap by pushing down and turning it all the way.
CHECKING COOLING SYSTEM HOSES
Check hoses for the following:
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Improper attachment
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Leaks
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Cracks
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Damage
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Loose connections
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Chafing
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Deterioration
CHECKING RESERVOIR LEVEL
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Check if the reservoir tank coolant level is within MIN to MAX when the engine is cool.
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Adjust coolant level if it is too much or too little.
CHECKING COOLING SYSTEM FOR LEAKS
To check for leakage, apply pressure to the cooling system using suitable tool (A) and Tool (B).
WARNING:
Never remove the radiator cap when the engine is hot. Serious burns could occur from high pressure coolant escaping from the radiator.
CAUTION:
Higher pressure than specified may cause radiator damage.
CHECKING RADIATOR CAP
1. Inspect the radiator cap.