Possible malfunctions of a manual transmission, their causes and solutions (Power unit / Car gearbox / Ford Focus 2 2004-2010)

Cause of malfunction	Remedy
Vibration, noise in the gearbox
Loose or damaged engine and transmission mounts	Tighten fasteners or replace supports
Worn or damaged gears and bearings	Repair the gearbox at the service
Wrong brand of oil filled	Fill in the required brand of oil
Insufficient oil level	Top up the oil to the correct
Violation of the engine idle adjustment	Adjust engine idle
Oil leak
Destruction or damage to seals or o-rings	Replace seals or o-rings
Difficulty shifting gears and grinding noise when shifting
Incomplete clutch disengagement	Adjust clutch drive and bleed air from hydraulic system
Malfunction of cables of a drive of a gear change	Replace shift cables
Loose or worn locking rings and synchronizer cones	Repair the gearbox at the service
Weakening of synchronizer springs	Repair the gearbox at the service
Wrong brand of oil filled	Fill in the required brand of oil
Spontaneous disengagement of gears
Worn shift forks or broken detent springs	Repair the gearbox at the service
Increased clearance of the synchronizer clutch on the hub	Repair the gearbox at the service

Possible malfunctions of a manual transmission, their causes and solutions