The eight speed gearbox of the Audi A8L shakes when it shifts up and downshift, and there are resona

The gearbox has upshift shaking, there is a resonance in the car, the main shift engagement or separation is caused by slow separation, the gearbox is switched through oil pressure control, the oil pressure pipeline such as the valve body oil circuit is very fine, in the process of gearbox operation, the impurities and deposits generated will form aggregation in these oil circuits, resulting in unstable oil pressure, resulting in such jitter, frustration, impact, and gear breaking as you said.

As long as the impurities in the oil circuit system are cleaned and the transmission oil temperature is controlled, the oil circuit system will be clean and the generation of impurities will be reduced, so as to solve the transmission problem. Traditional dismantling is time-consuming, laborious and costly, and very harmful to vehicles.

To this end, with a history of 65 years, the German Matti has launched a non-overhaul gearbox solution with its unique technologies such as rapid cleaning, penetration repair, reduction sealing and effective temperature control, which can solve the problem of the transmission by adding the Matti product in accordance with the steps recommended by the German Marty, without disassembling the gearbox and not delaying the use of the car.

This is not a big problem, first the computer detects 1 and checks the sensors around the engine, the computer can detect the fault code 2, detect the transmission fault code, the computer can detect;

3. According to experience, it is to clean the oil circuit, the fuel vehicle will accelerate powerlessly, and the fuel vehicle will accumulate carbon. You can use the amount of heat de, Si Youpu fuel additives, Wu Qilai, Chengxing Light fuel additives to clean, these are my personal test effective, can clean water and carbon deposits, the effect is good.

Hello, check if the throttle is dirty? [If you have a problem with the car, ask the car master.] 4S shop professional technician, 10 minutes to solve. 】

The air intake system is leaking [There is a problem with the car, ask the car master. 4S shop professional technician, 10 minutes to solve. 】

How much displacement, is there a fault light on [There is a problem with the car, ask the car master. 4S shop professional technician, 10 minutes to solve. 】

Audi A8 idle serious jitter acceleration normal how to this is caused by combustion emission failure, I have encountered before, as long as the oil circuit is cleaned, I was used 2 times in a row * There is a general fuel cleaner, after running 100 kilometers disappeared But occasionally there will be, knowing that 2 want to run the fuel before it completely disappeared.

There are generally several situations of engine shaking, starting shaking, cold start, three-way catalytic temperature is not enough, and the most common reason for car shaking caused by serious carbon deposition in the engine is that the throttle valve is too dirty or the fuel injector is too much carbon, because the gasoline adsorbed on the carbon deposit after the car is sucked into the cylinder by the engine for combustion, and the combustible mixture of the engine is dilute and thick, resulting in idle shaking after cold start. Solution: Siyoupu cleans the oil circuit and checks whether the idle motor has carbon deposits and should be cleaned.

Hello, it should be that there is a problem with your idle motor and throttle, it is recommended to go to the auto repair shop to check. [If you have a problem with the car, ask the car master.] 4S shop professional technician, 10 minutes to solve. 】

Audi A8 gearbox failure, gear jumping, what is the reason, please.

Hello, dear <>

The Audi A8 gearbox malfunctioned, and the reasons for the gear jump were as follows: the lever was not adjusted correctly, and the gears or coupling sleeve teeth were worn out to form a tapered shape. The gearbox shaft, bearings or gears are worn loosely, and the axial clearance is too large, so that the shaft will move when it rotates.

The grooves of the shift fork shaft and the locking ball are badly worn, or the locking ball spring is too soft. The synchronizer is worn or damaged, the shift fork is bent, and the shift lever is badly worn.

Summary. Air filter dirty: air filter is designed to protect the engine to reduce wear, generally replaced in about 10,000 kilometers, if the replacement is not timely, there will be insufficient air intake caused by low idle speed, and the engine shakes, as long as the filter element can be replaced.

High-voltage line break: High-voltage line break refers to the high-voltage wire core break, which can affect the ignition and cause the engine to shake.

Spark plug problem: The spark plug has a lifespan, more than 3-

After 40,000 kilometers, the ignition efficiency is significantly reduced, and the ignition can be affected, which is the most common failure, and the spark plug can be replaced completely.

What is the reason why the Audi A8 shuddes when accelerating.

Air filter rock grip dirty: air filter is designed to protect the engine to reduce wear, generally replaced in about 10,000 kilometers, if the replacement is not timely, it will be rough Qingsheng insufficient air intake caused by low idle speed, and make the engine shake, as long as the filter element can be replaced. And imitation.

High-voltage line break: high-voltage line break refers to the high-voltage wire core break, which can affect the ignition and cause the engine to shake.

Spark plug problem: The spark plug has a lifespan, more than 3-

After 40,000 kilometers, the ignition efficiency is significantly reduced, and the ignition can be affected, which is the most common failure, and the spark plug can be replaced completely.

If the above can't help you, you need to go to Audi after-sales service.

None of this is a problem.

That's going to need to be overhauled.

And it has to be at a speed of about 120 kilometers per hour.

This is also the case when the combustion chamber is heavily decarbonized and needs to be cleaned up.

It's been cleaned up.

Still won't work. It has to be fast.

Then I can't help you rule out what the problem is, this can only be dealt with after sales.

Well, I understand that it shakes when you speed up.

If you have changed them, you must have a professional after-sales maintenance master to help you debug.

Hello, dear. We're happy to answer your <>

07 Audi A8L displacement transmission shift to second gear frustration, may be caused by the following reasons:1Transmission oil supply is low or deteriorated:

Insufficient or deterioration of the transmission oil will cause the transmission to work abnormally, resulting in a shift frustration. It is advisable to check that the transmission oil volume is sufficient, if it is insufficient, you need to add enough transmission oil, and check if the transmission oil needs to be changed. 2.

Transmission control module failure: The transmission control module is an important part to control the work of the gearbox, if there is a failure, it will lead to the gearbox not working properly, resulting in a shift frustration. It is recommended to check whether the transmission control module is normal, if there is a Shihu fault, it needs to be replaced or repaired.

3.Transmission clutch disc wear: Transmission clutch disc wear can cause the gearbox to not work properly, resulting in shift stutters.

It is advisable to check the transmission clutch plates for wear and tear, if the wear is severe, they need to be replaced. 4.Transmission sensor failure:

The transmission sensor is an important part of controlling the operation of the gearbox, and if it fails, it will cause the gearbox to work abnormally, resulting in a shift frustration. It is advisable to check that the gearbox sensor is working properly and that it needs to be replaced or repaired if it fails. It is recommended that you go to a professional car repair shop for inspection and repair to determine the specific cause of the failure of Zen Reison, and carry out corresponding repair and replacement.

It's okay to accelerate with continuous jitter at idle speed, this may be one or two broken fuel injectors, fire in the cylinder or lack of cylinder, if there is no problem with the accessories, you need to clean the oil circuit.

Regularly clean the oil circuit, only this one way, I used the car idle shaking, the master checked that there was no problem and finally said that it may be carbon deposits, add me 2 Si Youpu fuel additives poured in the fuel tank, ran two sesame oil, it was very smooth. I guess it's carbon deposits.

Black smoke is a problem with oil and oil roads, not cars, especially new cars.

Summary. Resonant sound is usually caused by the vibration of a certain part of the vehicle, and changing differential oil can only solve the lubrication problem, not completely eliminate the resonant sound.

Resonant sound is usually caused by the vibration of a certain part of the vehicle, and changing differential oil can only solve the lubrication problem, not completely eliminate the resonant sound.

Your Audi A8 still has a resonant sound after an oil change and may need to be inspected for wear, looseness, or damage in other parts of the vehicle.

I just got out of the car yesterday and inserted a liter of gasoline, but there was still a resonant sound when I turned around.

It is recommended that you take your vehicle to a professional repair shop for a full inspection and repair.

I checked and there were no other issues.

Double-check it out.

What position and what part do you need to check in general?

What's the situation? 1.Worn wheel tires:

Severely worn tires may cause resonant sounds, and it is recommended to check whether the tires are still in working order or need to be replaced. 2.Suspension:

If there is a problem with the suspension system, such as a worn shock absorber or a broken spring, it can also cause a resonant sound, and it is recommended to check that the suspension system is normal. 3.Drivetrain:

In addition to the differential, other parts of the drivetrain, such as the transmission, universal joint, and propeller shaft, can also cause resonant sounds, and it is recommended to inspect them. 4.Engine mounts:

Failure of the engine mount may also cause a resonant cayenne sound, and it is recommended to check and replace. 5.Brake system:

If there is a problem with the brake system, such as deformation of the brake disc or brake failure, etc., which may also cause resonant sound, it is recommended to check whether the brake system is normal.