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ENGINE COOLANT CO-39 < PERIODIC MAINTENANCE > [VQ40DE] C D E F G H I J K L M A CO N P O PERIODIC MAINTENANCE ENGINE COOLANT System Inspection INFOID:0000000009478184 WARNING: • Do not 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 pres- sure 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: Do not 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 at the reservoir filler neck using suitable tool and Tool. CAUTION: Higher pressure than specified may cause radiator damage. NOTE: In case that engine coolant decreases, replenish cooling system with engine coolant. • If any concerns are found, repair or replace damaged parts. CHECKING RESERVOIR CAP 1. Inspect the reservoir cap. • Replace the cap if the metal plunger cannot be seen around the edge of the black rubber gasket. • Replace the cap if deposits of waxy residue or other foreign material are on the black rubber gasket or the metal retainer. NOTE: Thoroughly wipe out the reservoir filler neck to remove any waxy residue or foreign material. SMA412B Tool number : EG17650301 (J-33984-A) Testing pressure : Refer to WBIA0568E |