2004 Audi A4 Quattro Problems
RepairPal has identified the most common problems with the 2004 Audi A4 Quattro based on complaints from actual vehicle owners. We'll tell you what the problem is and what it'll take to fix it.
Our technicians recommend having the constant velocity (CV) boots and CV joints inspected at each service. Servicing torn CV boots early can prevent the need to replace the CV half shaft or CV joint.
Clogged sunroof drains can allow water to enter the interior and accumulate under the carpet where various control modules are mounted. Over time, the accumulated moisture can damage the control modules.
The Cabriolet convertible top mechanism can fail due to hydraulic fluid leaks. The fluid reservoir is a common failure.