| Sign | The probable reason | Elimination method | 
 
 | Coupling proslipping 
 The car is not dispersed at increase in frequency of rotation of a cranked shaft of the engine
 
 Insufficient speed of the car
 
 Insufficient capacity on liftings
 | Insufficient backlash of a pedal of coupling | Adjust a backlash of a pedal of coupling | 
 
 | Contamination of a hydraulic drive of coupling | Clear or replace details | 
 
 | Excessive deterioration of a disk of coupling | Replace a coupling disk | 
 
 | Disk jamming on шлицах a primary shaft or oil on frictional overlays | Replace a coupling disk | 
 
 | The disk or flywheel is damaged press | Replace press a disk or a flywheel | 
 
 | The spring is weakened or broken диафрагменная | Replace press a disk | 
 
 | The gear change is complicated | Excessive backlash of a pedal of coupling | Adjust a backlash of a pedal of coupling | 
 
 | Leak of a liquid from a hydraulic drive of coupling | Define a place of leak and eliminate it | 
 
 | Deterioration or corrosion of a disk of coupling | Replace a coupling disk | 
 
 | Excessive distortion of a disk of coupling | Replace a coupling disk | 
 
 | Coupling noise | When coupling is not used | Insufficient backlash of a pedal of coupling | Adjust a backlash of a pedal of coupling | 
 
 | Excessive deterioration of a disk of coupling | Replace a coupling disk | 
 
 | Occurrence of noise after coupling separation | Deterioration or damage of the bearing of deenergizing of coupling | Replace the bearing of deenergizing of coupling | 
 
 | Noise occurrence at coupling separation | Absence of greasing on a surface of the basic plug | Grease a surface of the basic plug | 
 
 | By inadequate image are established the bearing of deenergizing of coupling | Repair | 
 
 | Noise occurrence at movement of the car with partially included coupling | The directing plug is damaged | The directing plug is damaged | 
 
 | The coupling pedal is pressed hardly | There is not enough greasing of a pedal of coupling | Repair | 
 
 | There is not enough greasing on шлицах a coupling disk | Repair | 
 
 | There is not enough greasing on the lever of a shaft of deenergizing of coupling | Repair | 
 
 | There is not enough greasing on a forward cover подшипникового knot | Repair | 
 
 | Transfers join hardly or do not join absolutely | Insufficient backlash of a pedal of coupling | Adjust a backlash of a pedal of coupling | 
 
 | The cylinder of deenergizing of coupling is faulty | Repair or replace | 
 
 | Excessive palpation of a disk of coupling | Repair or replace | 
 
 | Are polluted or have rusted шлицы a primary shaft of a transmission | Repair | 
 
 | The coupling disk is faulty press | Replace press a coupling disk | 
 
 | Coupling proslipping | Insufficient backlash of a pedal of coupling | The coupling disk is faulty press | 
 
 | Contamination of a hydraulic drive of coupling | The coupling disk is faulty press | 
 
 | Deterioration of a disk of coupling | Replace a coupling disk | 
 
 | The coupling disk is faulty press | Replace press a coupling disk | 
 
 | The coupling disk is faulty press | Repair | 
 
 | Coupling vibration | The coupling disk is deformed, worn out or on it oil has got | Check up a coupling disk | 
 
 | The coupling disk is faulty press | Replace press a coupling disk | 
 
 | The spring is damaged or broken диафрагменная | Replace press a disk | 
 
 | The spring of a disk of coupling is damaged демпфирующая | Coupling fastening is weakened | 
 
 | Coupling fastening is weakened | Repair | 
 
 | Coupling noise | The plug of a pedal of coupling is damaged | Replace the plug of a pedal of coupling | 
 
 | Fastening in a coupling casing is weakened | Repair | 
 
 | The bearing of deenergizing of coupling is worn out or polluted | Replace the bearing of deenergizing of coupling | 
 
 | Fastening of a plug of deenergizing of coupling is broken | Repair |