The device, service and repair the Opel Omega - 8.7. The main malfunctions, their reasons and methods of elimination//1993-1999 -

Opel Omega

since 1993-1999 release

Repair and operation of the car



Opel Omega
+ 1. Maintenance instruction
+ 2. Maintenance
+ 3. Repair of engines
+ 4. Heating system and ventilation
+ 5. Fuel, exhaust systems
+ 6. System of start of the engine
+ 7. System of ignition
- 8. Coupling
   8.1. Technical characteristics
   8.2. Hydraulic system of the drive of switching off of coupling
   8.3. Main cylinder
   8.4. Working cylinder
   8.5. Coupling pedal
   8.6. Clutch plates
   8.7. Main malfunctions, their reasons and methods of elimination
+ 9. Transmissions
+ 10. Main transfer, half shafts
+ 11. Brake system
+ 12. Suspension bracket and steering
+ 13. Body
+ 14. Body electric equipment



8.7. Main malfunctions, their reasons and methods of elimination

GENERAL INFORMATION

REASON
ELIMINATION METHOD
The pedal of coupling does not come back to a starting position (on cars with a coupling hydraulic actuator)
Hit of air in a hydraulic actuator, level of working liquid is lower than norm Restore the level of working liquid to normal, remove air from a hydraulic actuator.
Holding strap of pistons in the main or working cylinder Replace faulty details, remove air from a hydraulic actuator.
Leak of working liquid in the main or working cylinder
The pedal of coupling does not come back to a starting position (on cars with the mechanical drive of coupling)
Jamming of a cable of the drive of coupling. The self-regulation mechanism (is faulty at its existence) Replace a cable.
The pedal of coupling does not come back to a starting position (all cars)
The returnable spring (is faulty at its existence) Replace a returnable spring.
Jamming of a pedal of coupling To clear and grease a pedal axis. If necessary to replace the plug.
Jamming of a fork of switching off of coupling on a coupling case To clear hinged knot of a fork. To execute necessary repair.
Adhesion or the increased friction between details in a coupling basket To clear and grease places of sliding. To execute necessary repair.
The raised side play of the bearing of switching off of coupling on the directing plug, a bearing holding strap To replace the directing plug and the bearing of switching off of coupling.
Breakage of a diaphragm spring of a press disk To replace a press disk assembled.
Too "rigid" pedal of coupling (on cars with the mechanical drive of coupling)
Jamming of a cable of the drive a cable stsepleniyakorroziya in a cover. The self-regulation mechanism (is faulty at its existence) To replace a drive cable.
Jamming of a fork of switching off of coupling on a coupling case To clear and grease hinged connection. To replace the plug.
Too "rigid" pedal of coupling (all cars)
Jamming of a pedal of coupling To clear and grease hinged connections. To replace the plug.

Prevention

Before check disconnect a pusher of the main cylinder or a cable of the drive from a pedal.


Jamming of a peripheral spring. Defect of a peripheral spring To clear and grease hinged connections. To replace a spring.
The increased elasticity of a returnable spring (in the presence). The improper returnable spring is established To establish a returnable spring of the necessary type.
Increase of the effort necessary for switching off of coupling because of wear of frictional slips Inform the customer: the effort of switching off of coupling increases at increase in wear.
Adhesion or the increased friction between details in a coupling basket If the distance from heads of rivets to a surface of a slip exceeds 0,1 mm, then replace the conducted clutch plate.
The raised side play of the bearing of switching off of coupling on the directing plug, a bearing holding strap To clear and grease the interfaced details. To replace the worn-out directing plugs.
Wear of contact surfaces of the bearing of switching off of coupling and fork of switching off of coupling To replace worn-out details.
On a press disk improper springs are established To establish springs with the corresponding number according to the catalog.
Jamming of a nave of the conducted clutch plate on vents of a main shaft If necessary to replace the conducted disk. To clear vents of a nave and a vent of a main shaft of corrosion and the remains of lubricant. To grease with a thin layer of G 000 100 lubricant of a vent of a main shaft. Remove excess of lubricant, moving the conducted disk on vents of a main shaft to both parties.
The increased noise at coupling switching off (on cars with the mechanical drive of coupling)
Noise of transmission get to salon through a coupling drive cable
To replace antinoise details of a body or to strengthen them additional antinoise protection.
Jamming of a cable of the drive of coupling (sticking, the increased friction, unbraiding) To replace a drive cable.
At completely squeezed out coupling pedal the diaphragm spring of a press disk touches the conducted clutch plate (the free wheeling of a pedal of coupling is less than norm) To adjust a free wheeling of a pedal of coupling.
The self-regulation mechanism (is faulty at its existence) To replace a drive cable.
Lubricant of the rubbing surfaces of a press clutch plate and a diaphragm spring is necessary To grease contact surfaces with a thin layer of G 000 100 lubricant. To replace worn-out details.
Jamming of a pedal of coupling, the pedal axis is bent To clear and grease a pedal axis. If necessary to replace the plug.
Jamming of an axis of a peripheral spring because of the increased friction, coaxiality violations To clear and grease an axis.
The increased noise from a returnable spring (if it is provided by a design) To grease a spring axis.
Defect of the bearing of switching off of coupling or holder of the bearing, wear of a contact surface (buckling) Usually is eliminated with replacement of the bearing. To replace the damaged directing plugs.
Defect of contact surfaces of a press disk (bend or breakage of edges of petals of a diaphragm press spring). Violation of centering of the bearing of switching off of coupling To replace press a disk. To check a condition of the bearing of switching off of coupling and a holder of the bearing. If necessary replace. To check a condition of the aligning plugs.
Wear of directing crankshaft bearing (if is available), not coaxiality of installation of the engine and the check point To replace the bearing, to put lubricant on the basis of a molybdenum disulfide. To check a condition of the aligning plug.
The wrong installation of the conducted clutch plate It is correct to establish the conducted disk.
The conducted disk which type does not correspond to this coupling is established To establish a disk of the necessary type.
The gnash at inclusion of transfer or backing, jams the gear shifting mechanism, gear shifting is impossible, coupling does not work (at cars with a coupling hydraulic actuator)
Lowering of the level of working liquid. Hit of air in a hydraulic actuator. Leak of liquid from the working or main cylinder, elasticity of walls of a tube of a hydraulic actuator. Wrong adjustment of a fork of switching off of coupling To check a hydraulic actuator. To restore the level of working liquid, to pump over a hydraulic actuator. To replace faulty details. To restore the level of working liquid, to pump over a hydraulic actuator. It is correct to adjust.
The gnash at inclusion of transfer or backing, jams the gear shifting mechanism, gear shifting is impossible, coupling does not work (at cars with the mechanical drive of coupling)
Not coaxiality of details To replace faulty details.
The free wheeling of a pedal exceeds norm To check a free wheeling of a pedal, if necessary to adjust.
The drive cable which is not corresponding to this coupling (the increased length) is established To establish a cable of the drive of the necessary type.
Jamming of a cable of the drive To replace a cable.
The self-regulation mechanism is faulty (if is available)  
The gnash at inclusion of transfer or backing, jams the gear shifting mechanism, gear shifting is impossible, coupling does not work (for all cars)
The insufficient course of a pedal of coupling (stirs a rug or a covering under a pedal). Coupling completely is not squeezed out Inform the customer.
The gnash is caused only by gearing of a gear wheel of a backing Inform the customer. Before inclusion of a backing to squeeze out a pedal of coupling and to wait 3–6 seconds depending on diameter of the conducted disk. At first have to stop a main shaft of the check point with the conducted disk.
Wrong adjustment of the mechanism of gear shifting To check, if necessary to adjust.
Gear shifting lever support lubricant is necessary. Violation of the correct landing of details of the mechanism of gear shifting To grease the gear shifting mechanism, to replace faulty details.
Sticking or the increased friction of the conducted clutch plate on vents of a main shaft. Corrosion of a nave of the conducted disk or damage at installation. Violation of centering of a nave of the conducted disk To check nave vents for lack of destructions, if necessary to replace the conducted disk. To remove corrosion and the remains of lubricant from a nave and from shlits of a main shaft. On vents of a main shaft to apply very thin film of G 000 100 lubricant. To remove excess of lubricant by movement of a disk on a main shaft in both parties. If the nave is not aligned, then check position of the aligning plugs. Check a condition of the bearing of switching off of coupling, a holder of the bearing, a press disk and the directing crankshaft bearing. If necessary to replace.
Too small vystupaniye of a press disk (the disk of improper type is established) To replace press a disk.
Defect of the directing crankshaft bearing. The main shaft of the check point rotates at the switched-off coupling To replace the directing bearing, to put lubricant on the basis of a molybdenum disulfide. To check a condition of the aligning plugs. If necessary to replace. To check a condition of a main shaft of the check point.
Violation of mutual centering of the engine and the check point (there are no aligning plugs), because of which a ring of the conducted disk sdeformirovano Before installation of the check point to install the aligning plugs. To check a condition of the conducted disk, a press disk and the directing bearing (if is available). If necessary to replace.
Defect of the directing crankshaft bearing  
Wear of frictional slips because of inclusion of transfer on the raised turns, i.e. switching to a low gear at the high speed of the movement To replace the conducted disk, to inform the customer.
Wear of frictional slips because of deliberate to pro-slipping by coupling at dispersal  
Defect of synchronizers and / or mechanism of gear shifting To repair the check point.
Wrong installation of a press disk. Deformation of the conducted disk because of the wrong driving To check a condition of details. If necessary to replace. Check the provision of adjusting hairpins. If after this replacement the gnash does not vanish, then check a condition of shlits on a nave of the conducted disk and freedom of a provorachivaniye of a main shaft of the check point, to check a condition of the directing bearing (if is available) the crankshaft, to repair the check point.
The gnash is distributed on the 2nd transfer, and only at cold transmission Inform the customer. If necessary replace oil in the check point (see subsection 9.1.2 and subsection 9.2.2), having filled in oil with bigger viscosity (see subsection 1.14).
The increased thickness of the conducted disk To replace the conducted disk.
Sticking of the conducted disk to a flywheel owing to corrosion (the car a long time was not operated, high relative humidity) To slightly smooth out adjacent surfaces. At strong corrosion to replace details.
Coupling slips (cars with a coupling hydraulic actuator)
The piston of the main or working cylinder does not come back to a starting position To replace the main or working cylinder. To replace working liquid, to pump over a hydraulic actuator.
Coupling slips (cars with the mechanical drive of coupling)
Wrong adjustment of a cable of the drive (insufficient free wheeling of a cable) To adjust a cable. If necessary to replace with a cable of the necessary type.
The self-regulation mechanism (is faulty at its existence) If necessary to replace a cable.
Jamming of a cable If necessary to replace a cable.
Coupling slips (all cars)
Are established conducted and press a disk of inappropriate type To replace with disks of the necessary type.
Wear of the conducted disk, burning out of a press disk, formation of furrows owing to an overheat, deformation of a press disk because of the wrong installation, weak effort of a press disk. The wrong driving at normal wear To replace conducted and press disks. To inform the customer
The increased friction of details of transmission, sticking of draft of a pedal To clear and grease hinged connections, if necessary to repair.
Oiling of clutch plates and flywheel. Wear of an epiploon of the crankshaft. Hit of lubricant on the rubbing surfaces because of excessive lubricant of a nave of the conducted disk To replace the conducted disk. To clear contact surfaces of a press disk and a flywheel. To replace a crankshaft epiploon, to remove excess of lubricant from a main shaft.
The wrong installation of the conducted disk It is correct to establish a disk. To check a condition of the conducted disk. If necessary to replace.
Coupling "conducts", breakthroughs at in a start of motion (cars with a coupling hydraulic actuator)
Wrong adjustment of coupling It is correct to adjust.
Hit of air in a hydraulic actuator, defects in the main and working cylinders To replace faulty details. To check the level of working liquid, to pump over a hydraulic actuator, to check existence of leaks.
The pusher of the main or working cylinder does not come back to a starting position To replace faulty details. If necessary to replace working liquid. To pump over a hydraulic actuator.
Coupling "conducts", breakthroughs at in a start of motion (cars with the mechanical drive of coupling)
Jamming of a cable To replace a cable.
Jamming of a pedal Before check to disconnect a cable from a pedal. To clear and if necessary to grease hinged connections. If necessary to replace the plug.
Jamming or the increased friction of a fork of switching off of coupling To clear and grease hinged connections. If necessary to replace the plug.
Coupling "conducts", breakthroughs at in a start of motion (all cars)
Unstable operation of the engine Check adjustment of the engine, remove the cause.
Driving errors: too small turns at dispersal Inform the client.
The conducted disk of inappropriate type is established To replace a disk.
Noise idling
Breakage of the damping springs To replace the conducted disk.
On the conducted disk there is no damping plate (the increased noise idling) To establish the damping plate.
Deformation, breakage or ovality of a press disk To replace press a disk.
Unstable operation of the engine Check adjustments of the engine, remove the cause.
Violation of the correct position of the engine because of softness of details of its suspension bracket Check engine mount details. If necessary replace.
Shock-absorbers are faulty To replace shock-absorbers.
Oiling of frictional overlays of the conducted disk, contact surfaces of a press disk and a flywheel Establish the oil hit reason. If necessary execute repair. To replace the conducted disk. To clear press a disk and a flywheel.
The raised side play of the bearing of switching off of coupling on the directing plug (uneven distribution of the effort operating on a diaphragm spring of a press disk) To replace the bearing and the directing plug. To check a condition of details and hinged connections.
Uneven work of a press diaphragm spring because of the raised side play of the bearing of switching off of the coupling causing uneven distribution of effort on a diaphragm contour To check a surface of a prileganiye of frictional overlays of the conducted disk to a basic surface of a flywheel and a condition of a diaphragm spring. If necessary to replace press a disk. To replace the bearing and the directing plug.
Deformation of a basket of coupling in the course of assembly therefore the correct provision of a press disk is violated To clear a flywheel and press a disk of lubricant. At detection of serious destructions (zadir, traces of an overheat, grooves) to replace. To remove lubricant from a nave and from shlits of a main shaft. To apply a thin film of G 000 100 lubricant on vents of a main shaft. To remove excess of lubricant by movement of the conducted disk on a main shaft in both parties.