Table of signs of malfunction (Honda CR-V 2)

Most faults in a mechanism are diagnosed by analyzing noise in gears or bearings. When performing diagnostics, do not confuse differential noise with noise in other chassis components.

Sign of malfunction	Probable cause	Method of elimination
No switching to 4WD mode	The fluid level is too low. Liquid of unsuitable type.	Add liquid. Replace.
No return to 2WD mode	Liquid of unsuitable type.	Empty and refill the differential.
Noise in gears or bearings.	The fluid level is too low. Liquid of unsuitable type. The gears are damaged or worn.	Add liquid. Empty and refill the differential. Replace the differential cup assembly.
Overheat	The fluid level is too low. Liquid of not recommended type.	Add liquid. Empty and refill the differential.
Liquid leak.	Liquid level too high. The breather hose is clogged. The seal is worn or damaged. The sealing washer is damaged. The mounting bolts are loose or the seal is insufficient.	Bring to the required level. Clean or replace. Replace. Replace. Check the tightening torque or apply sealant.