Engine Coolant: Flushing

WARNING: This page is about a different car, the 2013 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.

Install reservoir tank if removed, and radiator drain plug.
CAUTION: Be sure to clean drain plug and install with new O-ring.

Torque Value: 1.2 N.m (0.12 kg-m, 11 in-lb)

If water drain plug on cylinder block is removed, close and tighten it. Refer to "DISASSEMBLY AND ASSEMBLY ".
Remove air relief plug (1) on heater hose.

Fig 1: Locating Heater Hose And Air Relief Plug
Courtesy of NISSAN NORTH AMERICA, INC.
Remove air relief plug (2) on radiator.

Fig 2: Locating Reservoir Tank Air Relief Plug And Water Outlet
Courtesy of NISSAN NORTH AMERICA, INC.
Fill water inlet with water until water spills from the air relief holes, then close air relief plugs. Fill water inlet and reservoir tank with water and reinstall radiator cap.
Torque Value: 1.2 N.m (0.12 kg-m, 11 in-lb)
Run the engine and warm it up to normal operating temperature.
Rev the engine two or three times under no-load.
Stop the engine and wait until it cools down.
Drain water from the system. Refer to "DRAINING ".
Repeat steps 1 through 8 until clear water begins to drain from radiator.
Check that the reservoir tank cap is tightened.