The 04 Audi S4 Axle: Everything You Need To Know

'04 Audi S4 with 19" BBS CH's '04 Audi S4 with 19" BBS CH'… Flickr from www.flickr.com

If you own a 2004 Audi S4 or are considering buying one, it's essential to know about the axle. The axle is a crucial component of your car's drivetrain, and it's responsible for transferring power from the transmission to the wheels. In this article, we'll discuss everything you need to know about the 04 Audi S4 axle, from its construction to maintenance tips.

Construction of the 04 Audi S4 Axle

The 04 Audi S4 axle is a solid front and rear axle. It's made of high-strength steel and has a tubular design, which makes it strong and durable. The axle has two CV joints, one at each end, which allows it to flex and transfer power to the wheels at different angles. The CV joints are covered by rubber boots, which protect them from dirt and debris and keep the grease inside.

Front Axle

The front axle of the 04 Audi S4 is a four-link suspension system. It has two upper and two lower control arms, which provide stability and control. The front axle also has a sway bar, which reduces body roll during cornering.

Rear Axle

The rear axle of the 04 Audi S4 is a multi-link suspension system. It has five control arms, which provide better stability and handling. The rear axle also has a sway bar, which reduces body roll during cornering.

Maintenance Tips for the 04 Audi S4 Axle

Maintaining your 04 Audi S4 axle is essential to keep your car running smoothly. Here are some maintenance tips to keep in mind.

Check the CV Boots Regularly

The CV boots protect the CV joints from dirt and debris, and they need to be in good condition to function correctly. Check the boots regularly and replace them if you notice any cracks or tears.

Change the Axle Fluid

The axle fluid lubricates the axle and keeps it running smoothly. It's essential to change the fluid regularly to prevent wear and tear on the axle. Check your owner's manual for the recommended interval for changing the fluid.

Replace Damaged Axles

If you notice any signs of damage to the axle, such as vibration or noise, it's essential to replace it as soon as possible. Driving with a damaged axle can cause further damage to your car's drivetrain and suspension.

Common Problems with the 04 Audi S4 Axle

Like any component of your car, the 04 Audi S4 axle can experience problems. Here are some common issues to look out for.

CV Joint Failure

The CV joints can wear out over time, leading to failure. Symptoms of a failing CV joint include clicking or popping sounds when turning, vibration while driving, or grease leaking from the CV boots.

Bent Axle

Driving over potholes or hitting curbs can cause the axle to bend, leading to vibration or noise while driving.

Worn Axle Bearings

The axle bearings can wear out over time, leading to noise or vibration while driving. If left untreated, worn axle bearings can cause further damage to the axle and suspension.

Conclusion

The 04 Audi S4 axle is a crucial component of your car's drivetrain. It's essential to maintain it regularly and look out for any signs of damage or wear. By following the maintenance tips and being aware of common problems, you can keep your 04 Audi S4 running smoothly for years to come.