Xterra 4WD V6-4.0L (VQ40DE) (2009)
Coolant: Testing and Inspection
ENGINE COOLANT
System Inspection
WARNING:
-
Never remove the radiator/reservoir cap when the engine is hot. Serious burns could occur from high pressure fluid escaping from the
radiator or reservoir.
-
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:
-
Improper attachment
-
Leaks
-
Cracks
-
Damage
-
Loose connections
-
Chafing
-
Deterioration
CHECKING RESERVOIR LEVEL
-
Check if the engine coolant reservoir tank level is within MIN to
MAX when the engine is cool.
-
Adjust engine coolant level as necessary.
CHECKING COOLING SYSTEM FOR LEAKS
WARNING:
Never remove the radiator/reservoir cap when the engine is hot. Serious burns could occur from high pressure coolant escaping from the
radiator or reservoir.
To check for leakage, apply pressure to the cooling system using
Tool.