Main 12 Causes of Overheating

Fig 1: Causes of Overheating Chart (1 Of 2)

Courtesy of NISSAN MOTOR CO., U.S.A.

• For fluid recommendations, refer to RECOMMENDED FLUIDS AND LUBRICANTS .
• To change engine coolant, refer to CHANGING ENGINE COOLANT .
• To radiator cap, refer to CHECKING RADIATOR CAP .
• To check for cooling system leaks, refer to CHECKING COOLING SYSTEM FOR LEAKS .
• To check thermostat, refer to THERMOSTAT AND THERMOSTAT HOUSING .
• For radiator information, refer to RADIATOR .
• To check cylinder head for distortion, refer to CYLINDER HEAD DISTORTION .
• To check cylinder block and pistons, refer to INSPECTION .

Fig 2: Causes of Overheating Chart (2 Of 2)

Courtesy of NISSAN MOTOR CO., U.S.A.