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CO-12 < PERIODIC MAINTENANCE > [VQ35DE] ENGINE COOLANT 5. When performing a complete cooling system drain remove the cylinder block front drain plug and the cyl- inder block RH drain plug. 6. Check the drained coolant for contaminants such as rust, corrosion or discoloration. • If contaminated, flush the engine cooling system. REFILLING ENGINE COOLANT 1. Install the radiator drain plug. If the cooling system was drained completely, install the reservoir tank and the cylinder block drain plugs. • The radiator must be completely empty of coolant and water. • Apply sealant to the threads of the cylinder block drain plugs. Use Genuine High Performance Thread Sealant or equivalent. Refer to GI-21, "Recommended Chemical Products and Sealants" . 2. If disconnected, reattach the upper radiator hose at the engine side. the engine OFF as necessary to activate the heater mode. 4. Install the Tool by installing the radiator cap adapter onto the radiator neck opening. Then attach the gauge body assembly with the refill tube and the venturi assembly to the radiator cap adapter. 5. Insert the refill hose into the coolant mixture container that is placed at floor level. Make sure the ball valve is in the closed position. • Use recommended coolant or equivalent. Refer to MA-16, "FOR USA AND CANADA : Anti-Freeze Cool- (United States and Canada) or "FOR MEXICO : Engine Coolant Mixture Ratio" CAUTION: Do not use any cooling system additives such as radiator sealer. Additives may clog the cooling system and cause damage to the engine, transmission and/or cooling system. 6. Install an air hose to the venturi assembly, the air pressure must be within specification. CAUTION: The compressed air supply must be equipped with an air dryer. 7. The vacuum gauge will begin to rise and there will be an audible hissing noise. During this process open the ball valve on the refill hose slightly. Coolant will be visible rising in the refill hose. Once the refill hose is full of coolant, close the ball valve. This will purge any air trapped in the refill hose. Radiator drain plug : Refer to . Cylinder block front drain plug : 9.8 N·m (1.0 kg-m, 87 in-lb) Cylinder block RH drain plug : 19.6 N·m (2.0 kg-m, 14 ft-lb) Tool number : KV991J0070 (J-45695) Engine coolant capacity : Refer to USA AND CANADA : Flu- ed States and Canada) or MA-16, "FOR MEXICO :
(Mexico). LLIA0058E Compressed air supply pressure : 549 - 824 kPa (5.6 - 8.4 kg/cm 2 , 80 - 119 psi) |