By car Nissan X-Trail with manual manual transmission gear set disc clutch friction type with hydraulic drive. The driver of the car, pressing the clutch control pedal, activates master cylinder clutch, which in turn creates pressure working fluid clutch drive.
The clutch fluid flows to the clutch master cylinder. The slave cylinder rod acts on the clutch fork, which in turn presses on the release bearing. The bearing, mating with the petals of the basket, releases the clutch disc, interrupting the transmission of torque from the engine to the gearbox. In contact with each other, under the action of the clutch basket, the clutch disc and flywheel form friction transmission torque from the engine to the gearbox.
On later models (31 bodies), a clutch can be installed with a release mechanism, which is a hydraulic release bearing that combines the clutch slave cylinder. In this case, the clutch fork and outer slave cylinder are missing.
Basic clutch faults Nissan X-Trail
According to statistics, car owners most often turn to service stations for clutch repairs and replacements. Nissan X-Trail with 2 liter engine. This car model is equipped with a clutch mechanism with a driven disc measuring 225 mm.
More powerful Nissan X-Trail with 2.5 liter engine equipped with a clutch mechanism with a driven disk with a diameter of 240 mm.
Signs of a Nissan X-Trail clutch malfunction are:
- the appearance of incomplete engagement of the clutch, while the clutch disc slips, which is expressed, when the gear is engaged, in a sharp increase in engine speed when trying to accelerate and the car does not accelerate;
- the appearance of incomplete disengagement of the clutch mechanism, which is expressed in difficult gear shifting;
- the appearance of vibration when turning the clutch mechanism on and off;
- the appearance of a persistent burnt smell when the clutch operates;
- the appearance of noise when turning the clutch mechanism on and off;
- the occurrence of jerking when the clutch operates.
Car clutch malfunctions can be divided into two groups:
- malfunctions hydraulic drive clutch mechanism
Malfunctions of the clutch itself
The main problems with the hydraulic clutch of a car:
1. Leaks in the hydraulic drive line, which leads to air pockets in the line;
2. Insufficient stroke of the piston of the working cylinder due to low pressure of the working fluid in the hydraulic system;
3. Malfunction of the clutch master or slave cylinders.
Main malfunctions of the mechanical part of the clutch:
1. mechanical wear clutch disc friction linings;
2. wear of the disk and, as a result, uneven contact of the disk with the flywheel;
3. oil getting on the friction linings of the disc;
4. wear of the clutch basket petals;
5. Damage to the clutch disc damper springs;
6. wear release bearing;
7. mechanical wear of the clutch fork;
8. mechanical wear of the flywheel surface.
The main causes of Nissan X-Trail clutch failure
The main causes of failure of clutch components and mechanisms Nissan car X-Trail can highlight several points:
1. Driving style
Correct operation of the clutch mechanism requires smooth starting without an unreasonable increase in engine speed. Increased wear and breakdowns occur when these basic operating rules are violated. For example, the service life of the clutch mechanism is significantly reduced when starting abruptly.
2. Poor quality parts and components of the clutch mechanism
When repairing the clutch mechanism, it is necessary to use high-quality parts. Only the use of original spare parts can guarantee stable work throughout the entire service life.
Nissan X-Trail clutch - original or a good analogue?
Some time ago, car owners preferred to buy cheap analogues that were not inferior in quality to the original Nissan X-Trail clutch. Now the situation on the spare parts market has changed somewhat, and we can say that dumping prices official manufacturers spare parts are often comparable to prices for high-quality analogues. There are not many companies on the market offering aftermarket clutches for the Nissan X-Trail.
The clutch is a part of the car mechanism, which very much depends on the operating conditions of the vehicle. It cannot be said unequivocally that a non-original clutch is worse than the original. The AutoPride service station network recommends purchasing an original Nissan X-Trail clutch or a high-quality Japanese equivalent from Exedy.
The compact crossover Nissan Xtrail has earned the respect of motorists thanks to the endurance of its transmission and excellent technical reliability generally. But even this reliable car from the Japanese automaker has its own weak sides one of which is the clutch. Repairing this part of a Nissan car is not an easy task, so it’s worth taking a closer look at how it’s done.
In fact, replacing the clutch is a standard procedure associated with restoring the functionality of this unit. In addition to repairing this mechanism, other problems may arise. technical problems, requiring the intervention of a specialist. Malfunctions of the car's clutch can significantly complicate the operation of the vehicle, causing significant problems.
Often the cause of clutch failure is failure to comply elementary rules operating the vehicle and ignoring regular maintenance. Due to ignoring problems at the first stage, when the motorist waits until the last minute for something to happen serious damage, the mechanism can wear out so much that without complete replacement not enough.
Another important factor influencing the longevity of this unit is the driver’s driving style.Aggressive driving with unreasonable throttle changes, sudden starts and stops, have a very negative impact on the operation of this mechanism. Here the car owner himself becomes the culprit of the fact that the Nissan Xtrail clutch may need to be replaced.
Repairing the clutch yourself or restoring the clutch in an unreliable auto repair shop also does not lead to anything good.
With such poor-quality repairs, in an attempt to save money, spare parts are often installed that are not the same best quality, which have a small service resource. For this reason, if you are having problems with your clutch, it is best to visit an auto repair shop for diagnosis and repair.
Symptoms of the need to replace the clutch:
- Insufficient free play of the clutch pedal;
- Slipping and freezing when changing gears;
- Difficulty shifting or skipping gears;
- Spontaneous transition to neutral gear;
- Fault notification on the instrument panel.
If you are having problems with freewheeling clutch pedal, it is necessary to check it and make adjustments. If it slips or freezes when changing gears, there is a high probability that it will have to be completely replaced. Most often, the first sign of slipping is a clear and causeless increase in engine speed when climbing a steep hill.
It is important to be able to independently identify the first symptoms of the need for clutch repair and know the approximate frequency of repair service and repairs.
Frequency of clutch replacement
The automaker sets approximate timing for checking the clutch mechanism of a Nissan Xtrail vehicle, and the frequency of its replacement completely depends on the operating conditions of this unit. This applies, first of all, to specific road conditions and driving accuracy, which depends personally on the driver. Therefore, it is not always possible to determine with certainty when replacement may be needed.
Undoubtedly Maintenance carried out more often than replacement. Be sure to take into account the engine hours that the motorist spends in traffic jams and warming up the engine in the cold season. Most often, this element of the car's transmission needs to be replaced after approximately 40-50 thousand kilometers or if you notice obvious signs incorrect operation of the mechanism.
It is important not to wait until your car's clutch completely fails, but to carry out regular maintenance and replace it when the first signs of such a need appear.
Necessary parts for clutch replacement
Replacement means the installation of a number of new parts and mechanisms that are an integral part of this vehicle unit. Some of them may fail more often, while others practically do not make themselves felt throughout the entire period of operation. vehicle. A car repair shop will be able to help you determine exactly what needs to be replaced.
List of spare parts for replacement:
- Clutch disc;
- Clutch basket;
- Release bearing;
- Crankshaft oil seal.
The clutch disc must be changed after approximately 150 thousand kilometers, subject to careful operation. If the car was driven by an inexperienced driver or an amateur extreme driving, then such a replacement may be required much earlier. It is imperative to change it on time so that the flywheel or basket is not damaged.
The clutch basket changes much less frequently than the disc, subject to careful use and timely replacement adjacent parts and mechanisms that fail. You should monitor it especially carefully if the car is not new and has been in use for an unknown amount of time.
A faulty release bearing can be determined by characteristic features, which manifest themselves in increased noise when the clutch is depressed. It must be changed in a timely manner, since if this is not done, other components of this unit may be significantly damaged.
It is not necessary to replace the crankshaft oil seal, but it will not be superfluous, since when replacing the clutch, work is still carried out next to it. renovation work. To avoid having to deal with such a replacement separately later, it is better to do it right away. The crankshaft oil seal lasts a long time, but it is still better to combine such work.
It is important to install spare parts of original quality or high-quality analogues that are not inferior in their characteristics, so that after a short period of time you do not have to carry out repairs again.
Procedure for replacing the clutch
All Nissan Xtrail modifications, regardless of engine and gearbox type, have the same replacement procedure. The cost of such work is also approximately the same for all Nissan models. Careful adherence to the order of work will help avoid mistakes during repairs.
Work order:
- Lifting the car on a lift or installing it on a viewing hole.
- Removing the front wheels.
- Carrying out complex works for dismantling the gearbox.
- Unscrew the bolts of the pressure plate housing and remove it together with the disk.
- Removing the driven disk.
- Installing a new disk and centering it.
Reassembling an already repaired mechanism with the replacement of all worn parts is performed in the reverse order. It is necessary to pay attention to this stage of work so that you do not have to return to repairs again. The result of the work performed must be checked.
Video: replacing the Nissan x trail clutch
When repairing a Nissan Xtrail clutch, it is advisable to use original spare parts, but not required. The main thing is to know which of the analogues have the appropriate quality and should be selected according to the VIN code. If you have little experience in this, it is better to seek advice from specialists.
When replacing a Nissan Xtrail clutch, it is also recommended to carry out related repair work. Most often it is necessary to install a new oil seal on the crankshaft and input shaft gearboxes. The cost of repairs and maintenance can only be determined after diagnostics.
Nissan X-Trail T31. Engine overheating in winter
Overheating does not depend on the time of year. It is clear that in the summer the likelihood of such trouble is greater. But you shouldn’t relax in winter either.
First of all, malfunctions lead to an increase in temperature, as well as a malfunction in the operation of the unit itself. The quantity and condition of the coolant must be constantly monitored. Its deficiency raises the temperature above the norm, and its absence leads to overheating.
Use better liquid With high temperature boiling and low freezing point. It must be changed on time factory installed by the manufacturer or in case of loss of antifreeze properties such as density and color.
Sometimes, airlock does not allow coolant to circulate throughout the system, thereby increasing the temperature. Some cars have air bleed plugs. If they are absent, usually remove the thin hose in the area of the intake manifold.
There is a valve in the radiator cap that is designed to relieve overpressure. If it breaks, the system boils until the hoses rupture or weak points radiator This can also be caused by using a plug with an inappropriate pressure setting. If antifreeze is poured into the system only through an expansion barrel, then the valve is located in the lid of this barrel.
The thermostat can be a cause not only because of its breakdown, but also because of the opening temperature. In hot weather or in traffic jams, early opening of the thermostat leads to overheating of the engine, and its failure - in any weather.
To reduce the temperature, you need a working radiator cooling fan with a sufficient number of blades. With a mechanical drive, the fan may stop due to a broken belt or broken impeller.
At electrical control The fan switching temperature sensor and the electric motor are responsible for turning it on. In a hydraulic or hydromechanical system, the viscous coupling most often fails.
The coolant pump ensures constant circulation of fluid throughout the system. Its stop may be caused by a broken belt or breakdown of internal parts.
Incorrect work engine increases the load on its parts and initially causes elevated temperature, with which working system cooling cannot cope. These include:
Breakdown cylinder head gaskets;
- the ignition or fuel injection system is incorrectly set and adjusted;
- burnout intake valve;
- detonation;
- high revs engine operation;
- lack of lubrication of engine parts.
But sometimes, indirect reasons can become the reason for engine overheating. A lack of counter flow of cold air may occur due to the insulating cape not being removed from the radiator grille.
External contamination of the radiator increases the temperature of the fluid in it. This occurs due to the fact that flying insects and dirt clog the air cells in the radiator during operation. The stove radiator also requires periodic external cleaning.
Dirt and deposits inside the cooling system also cause overheating.
To prevent overheating, it is necessary to regularly monitor the health of the cooling system. Since the overheating and temperature indicator on the instrument panel gives a signal when the engine temperature has already heated up to a critical level.
Overheating due to windbreaks in winter
Engine compartment In winter it is advisable to insulate it, and it would be nice to protect the radiator from the wind. Blocking drafts helps to warm up the engine faster. Also one of the main things is that wind protection prevents the formation of condensation in places of contact of hot vapors with supercooled parts.
Most often, cardboard is placed in front of the radiator to protect against cold air. If there are no gaps between the surface of the cardboard and the surface of the radiator, in other words, the cardboard stands tightly to the radiator, then there will be no room left for air circulation. This is exactly the case when the road to hell is paved with good intentions.
It's easy to overheat an engine with a tightly sealed radiator. Moreover, overheating of the motor can lead to cracks in the metal. After which it will be necessary to replace the damaged part, essentially speaking this is practically an engine overhaul. And if the owner leaves at least a centimeter of space between the radiator and the cardboard, then the car will drive and drive.
Surely the coolant won't freeze?
It is also worth remembering this point: did you add water to the expansion tank or maybe we even went on water. If there is any left in winter sufficient quantity water in your cooling system, this water may freeze.
Let's see what happens in this case: when the engine starts and warms up, the temperature will begin to rise quickly. There will be no circulation of coolant in the system, since instead of liquid in the pipes there will be frozen or viscous liquid. In such a situation, immediate overheating of the engine is guaranteed, so if in doubt, measure the density of the coolant, and it is best to flush the system in advance and replace the coolant at the end of summer.
