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1. The maintenance of the suspension system is mainly to check the installation and function of each component, and the components are required not to have defects such as looseness, deformation, excessive wear, excessive clearance, and weakened elasticity; In particular, the deformation of the suspension arm and the wear of the bushing and ball joint will make the wheel alignment inaccurate and prone to failure. The cost of maintenance varies greatly depending on the model, region, and level of repair shops, etc., and the specific situation shall prevail.
Second, the fault phenomenon.
1. The connecting pin (rod) of the shock absorber falls off or the rubber bushing (cushion) is worn and cracked.
2. The oil volume of the shock absorber is insufficient or there is air.
3. Poor sealing of shock absorber valves.
4. The piston and cylinder barrel of the shock absorber are worn excessively and loose.
3. Fault diagnosis and elimination.
1. Check whether the connecting pins (rods), rubber liners and connecting holes of the shock absorber are damaged, falling off or cracked, and if so, they should be repaired or replaced in time.
2. Check whether the shock absorber has oil leakage and obsolete oil leakage traces.
3. Press the bumper of the car hard, the hand is loose, if the body can have 2 or 3 jumps, it means that the shock absorber is good, otherwise, the fault is inside the shock absorber, and it should be removed for maintenance.
4. Wheel alignment: check the wheel alignment to make the positioning parameters within the specified range.
3. Miscellaneous. 1. Suspension springs.
Spring wear check: cracks, wear or damage.
Elasticity check. Spring installation: the installation position and direction are correct, and the clearance meets the regulations.
2. The vehicle is overloaded or overspeeding on uneven roads, or the speed is too fast when turning, and the load suddenly increases.
When the vehicle is used under the condition of long-term overload or uneven loading, the load of the suspension spring is not released according to the regulations when the vehicle is sealed.
If the maintenance is not timely, the lubrication between the suspension springs is poor or there is no lubrication at all, which reduces the relative displacement capacity between the suspension spring plates, resulting in a decrease in bearing capacity and breakage.
The U-bolt is loose, and the load is concentrated on the top few pieces of the leaf spring, which are prone to breakage.
The curvature of the new suspension spring blades replaced is different from the curvature of the original.
The car has too much emergency braking (especially in the case of good front braking and poor rear braking), or when going downhill with full load, the emergency braking is used to move the car load forward, and the front suspension spring is suddenly subjected to additional load, resulting in the suspension spring.
One or two pieces are broken.
3. Suspension rods.
Pry the fixing frames of each suspension arm, support bar, stabilizer bar and control bar, check the clearance in all directions, and re-tighten or transverse the bushing if it is too large.
For the strut suspension, you can use the hand to push and pull the top of the wheel to check whether the upper bracket is loose or damaged.
Check the suspension arms for deformation.
Check the installation connections.
Check the gap of the ball joint joint, if the gap is too large and the wear is serious, it should be replaced.
4. a shock absorber.
Check that the shock absorber should be free of oil leakage, deformation and damage, otherwise it should be replaced.
Check the installation of the shock absorber.
Check the working condition of the shock absorber: press the body with your hands.
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Hello! Suspension squeak is a common problem.
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The main reasons for the abnormal steering sound of MG Ruiteng steering wheel: 1. The steering column is not lubricated and the friction is large. 2. Check that the steering power oil is less.
3. Check whether there is a problem with the universal joint. 4. The chassis suspension balance rod lifting lug sleeve is aging and hardening. 5. The plane bearing is broken.
The correct way to play the steering wheel: 1. Avoid turning the steering wheel on the spot, try to play the direction after the vehicle moves, and the direction on the spot can only be occasionally used when the car is lowered in a special environment. 2. When the vehicle is stopped, the steering wheel should be returned to the center position to avoid the suspension system and tires from bearing the load.
3. When you need to turn around, try to avoid the steering wheel hitting the dead center.
Causes and treatment methods of abnormal noise of MG Ruiteng steering wheel: 1. The ball head of the steering tie rod is aging and has an open space. Replace the steering tie rod ball joint and do four-wheel alignment.
2. Oil leakage from the dust jacket of the steering machine. Replace the dust jacket or re-butter it. 3. Steering machine failure.
It may be caused by the gear clearance of the steering machine is too large, and the steering machine needs to be replaced. 4. If the tightness of the booster belt is improper or aging, the tightness of the belt needs to be adjusted or replaced.
Photo by Ling Xiufang) @2019
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There is an abnormal noise in the engine.
Symptom description: There is a lot of abnormal noise in the engine compartment, and most people also judge it to be the abnormal noise of the engine compartment by the sound**, which is usually a metal screeching sound or a howling sound.
Solution: The abnormal engine noise indicates that the technical status of a certain mechanism of the engine has changed. It is mainly caused by excessive wear and tear of some parts or improper assembly and adjustment.
Some abnormal noises can still predict that the engine will be damaged accidentally, so when the engine has abnormal noise, it should be repaired in time to prevent the fault from expanding.
It should be reminded that if it is an abnormal noise in the engine, most of the owners will not be able to solve it by themselves, and it is best to send it to the factory for maintenance.
There is an abnormal sound in the gearbox.
Symptom description: If there is a "rustle" sound inside the gearbox while the car is driving, and there is no more after pressing the clutch or accelerator, there will be a whistle-like sound when changing gears.
Solution: There are many transmission parts, and the reasons for the sound are more complex, so we should pay attention to whether it is related to a specific speed, such as some planetary teeth that sound at about 50km h.
Whether it is related to certain gears, which is very important for judging the failure of the transmission, if a certain gear sounds, it must be related to the components that affect the transmission of the gear; If all gears sound, it is often a common meshing shaft failure or a lack of oil in the transmission. Whether it is related to specific actions, such as increasing and decreasing gears, starting, rapid acceleration, sharp deceleration, turning, etc., are effective means to judge abnormal noise, among them, changing speed and direction are particularly important for judging the rear axle fault.
If the abnormal noise of the transmission is obvious, it is recommended to send it to a professional repair shop to check the faulty parts, and then replace them.
There is an abnormal sound in wear.
Symptom description: When driving on the accelerator or brake, there is always some abnormal noise in a certain part of the body, the sound is not loud, and it does not affect normal driving, but it always makes people worry a little about the failure of the body.
Solution: The abnormal noise of the door is mainly caused by the lack of lubrication, but it is necessary to judge whether it is the position of the door hinge or the glass regulator, door lock mechanism, handle mechanism, etc. inside the door. In the case of door hinges or limiters, special door hinges and slide grease can be used, while special door attachment grease is used for lubrication of glass regulators, door locking mechanisms, handle mechanisms, etc. inside the door.
In terms of brand selection, try to choose the commonly used brands in 4S stores, such as German Marty, Kluber, Tiger Head Hotolube, Fox, etc. It is not advisable to use engine oil or ordinary butter, it will freeze in winter, and the harmful smell will affect your health.
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Summary. Dear, this question is up to me, it takes a little time to type, please be patient, thank you!
Dear, this question is up to me, it takes a little time to type, please be patient, thank you!
Hello! If the transmission shaft is shaking, there will generally be abnormal noise when turning during driving, and there will be abnormal sound when accelerating and decelerating, this should be repaired in time, otherwise it is easy to cause damage to the rubber pad of the gearbox.
My car is a 15-year-old MG Ruiteng, and the drive shaft of the car is a little shaky, what is the effect.
This is that there will be an abnormal sound during driving, and when accelerating and decelerating, there may be a clicking sound.
When I am reversing or braking, there is a cross talk of stepping and pedaling, which is not the reason for the propeller shaft.
Yes, there is a clicking sound, and this can directly replace the cage on the half shaft.
The first gear table is the second gear, the speed is high, and it is not affected.
This has no effect.
What is the reason for that.
If only the first gear is high in second gear, there should be no problem with this.
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1. Check that your shock absorber is not leaking oil, or that there is more dust on it than on the left, and there is oil stain. The shock-absorbing projectile is not damaged in the bump, resulting in a return force that is not.
Sufficient, can not effectively store kinetic energy to play the role of shock absorption. 2. The acceleration belt is loose, press the belt on the pulley with your fingers, if the sag is larger, it means that the belt is loose. Suijin.
Please go to the repair station for further judgment on the above problems.
When crossing the pit of the larger hand oak, pay attention to slow down. Otherwise, it is easy to damage the suspension parts. Depending on the phenomenon you described, it may be that the shock absorber is working to the limit (so-called end), which often damages the shock absorber, including the rubber shock absorbing pads.
It is also important to check whether the rear suspension bolts are loose. The second problem: it is possible that the belt is loose, usually in the generator or air conditioning belt.
Adjust it and you're good to go.
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