How to remove the rear shock absorber spring of Audi A6L?

1 Answers
Camilla
07/29/25 5:59pm
Audi A6L rear shock absorber removal method is to remove the wheel arch guard panel, remove the 18 bolts connecting the lower control arm at the bottom, and then loosen the two 13 bolts on the top. Shock Absorber: The shock absorber is mainly used to suppress the oscillation when the spring rebounds after absorbing shock and the impact from the road surface. When passing through uneven road surfaces, although the shock-absorbing spring can filter the vibration of the road surface, the spring itself will still have reciprocating motion, and the shock absorber is used to suppress this spring jump. Principle of Shock Absorber: If the shock absorber is too soft, the car body will jump up and down; if the shock absorber is too hard, it will bring too much resistance and hinder the normal operation of the spring. In the process of modifying the suspension system, a hard shock absorber should be matched with a hard spring, and the hardness of the spring is closely related to the weight of the car. Therefore, heavier cars generally use harder shock absorbers. The device connected to the vibration damping crankshaft is used to counteract the torsional vibration of the crankshaft (that is, the phenomenon that the crankshaft is twisted by the impact force of the cylinder ignition).
Was this review help?
2
5
Share
More Forum Discussions

Can Guangdong Z License Plates Be Used Nationwide?

Guangdong Z license plates cannot be used nationwide. Vehicles with Guangdong Z license plates are only allowed to operate within cities in Guangdong Province. Driving beyond the boundaries of Guangdong Province is considered a traffic violation of "operating a motor vehicle without license plates." The issuance of Guangdong Z license plates itself is intended to promote exchanges in the Guangdong-Hong Kong-Macao Greater Bay Area. However, due to differences in the transportation systems of the two regions, complete unification in terms of passage cannot be achieved. Conditions for Hong Kong vehicles to apply for Guangdong Z license plates: 1. Overseas investors who have invested in Guangdong Province and have accumulated tax payments of more than 100,000 RMB within 3 years (including the application year) can apply for one mainland business vehicle license plate during the validity period of the contract; 2. Those with accumulated tax payments of more than 500,000 RMB can apply for a second license plate; 3. Those with accumulated tax payments of more than 1 million RMB can apply for a third license plate.
16
1
Share

What happens if you fill a car designed for 92 octane with 95 octane gasoline?

If a car designed for 92 octane gasoline is filled with 95 octane gasoline for a long time, it may cause engine knocking, reduced power, increased water temperature, and metallic knocking sounds during operation. Gasoline is a mixture, and the octane rating refers to the anti-knock index of the gasoline. Strictly speaking, 92 octane and 95 octane gasoline should not be mixed. However, their chemical compositions are relatively similar, and both have strong anti-knock properties. Mixing lower octane gasoline with higher octane gasoline can lead to knocking, insufficient power, and may affect the lifespan of the spark plugs, as well as increase tailpipe emissions. Mixing different grades and types of gasoline may not cause obvious problems in the short term, but carbon buildup and fuel system blockages are long-term consequences of such mixing.
11
3
Share

What is the difference between direct injection and multi-point injection?

Differences between direct injection and multi-point injection: 1. Different fuel injection methods: Direct injection delivers fuel directly into the cylinder, where it mixes with air from the intake manifold before combustion; multi-point injection sprays fuel at the intake manifold, where it mixes with air before entering the cylinder for combustion. 2. Different technologies: Direct injection technology is less mature and more complex in structure; multi-point injection technology is mature and simpler in structure. Direct injection involves injecting fuel directly into the cylinder to mix with air, with advantages including lower fuel consumption, higher power output per liter, and a compression ratio as high as 12, improving power and torque by 10% compared to conventional engines of the same displacement. Multi-point injection refers to the process in gasoline engines where fuel is injected into the intake manifold, controlled by a specific timing sequence from the control program, and executed by electronic fuel injectors.
2
4
Share

How deep should the grooves on brake discs be before replacement?

Brake discs should be replaced when the groove depth on both sides exceeds 1 millimeter. If the grooves on the brake discs are not deep, the brake pads can be removed and smoothed with coarse sandpaper. After reinstalling the sanded brake pads, the grooves on the brake discs can be eliminated during use. Alternatively, softer brake pads can be chosen; although they wear out faster, they are less likely to cause grooves on the brake discs. Simply put, a brake disc is a rotating disc that turns as the vehicle moves. The brake caliper clamps the brake disc to generate braking force, slowing down or stopping the vehicle when the brakes are applied. Brake discs offer effective braking performance and are easier to maintain compared to drum brakes.
20
4
Share

What does the M gear in a car mean?

The M gear in a car refers to the manual shifting mode. There will be a plus and minus sign next to the M gear transmission. Shifting can be done by pushing the gear lever forward or backward, or by using the steering wheel paddle shifters. There is no need to release the throttle when shifting gears; simply press the plus or minus to shift. Functions of the M gear in automatic transmission cars: 1. Manual adjustment of gear shifting. You can press this button to shift up or down, and freely adjust by moving the gear lever left, right, up, or down; 2. Gear shifting operations are only executed within safe parameters. Shifting up or down will only be performed within the set safe parameters; 3. The CVT transmission provides a more direct power feel, mainly targeting dual-clutch transmissions and traditional AT transmissions.
19
0
Share

How to reset the EPC warning light by yourself?

The methods to reset the EPC warning light by yourself are: 1. Troubleshoot the intake system, use qualified fuel, and clean the throttle body; 2. Remove carbon deposits from related parts; 3. Rewrite EPC-related data; 4. There may be other faults causing the issue, so it's best to check the fault codes for accurate diagnosis. The EPC light indicates a fault in the engine management system or electronic control, often accompanied by unstable idling or engine cold start shaking. It could also be due to a dirty throttle or malfunctioning brake lights. After turning the ignition key, the vehicle performs a self-check, and the EPC light will illuminate for a few seconds before turning off. If it remains on after starting the vehicle, it indicates a mechanical or electronic system fault.
20
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.