Engine Coolant: Draining

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.

WARNING:

Never change engine coolant when the engine is hot to avoid being scalded.
Wrap a thick cloth around radiator cap and carefully remove radiator cap. First, turn radiator cap a quarter of a turn to release built-up pressure. Then turn radiator cap all the way.

Connect drain hose.
NOTE: Use general-purpose hose with the dimensions shown in the figure below.

Fig 1: Identifying Drain Hose Dimensions
Courtesy of NISSAN NORTH AMERICA, INC.
Open radiator drain plug (2) at the bottom of radiator, and then remove radiator cap.

Fig 2: Locating Engine Under Cover, Radiator Drain Plug And Hole
Courtesy of NISSAN NORTH AMERICA, INC.

When draining all of engine coolant in the system, open water drain plug on cylinder block. Refer to "ENGINE STAND SETTING ".
Remove reservoir tank if necessary, and drain engine coolant and clean reservoir tank before installing.
Check drained engine coolant for contaminants such as rust, corrosion or discoloration.
If contaminated, flush the engine cooling system. Refer to "FLUSHING ".
Disconnect drain hose.