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2005 Audi A6 Quattro Problems

Find the most common issues based on 2005 Audi A6 Quattro owner complaints.
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Most Common 2005 Audi A6 Quattro Problems

A problem with the torque converter can cause the Check Engine Light to illuminate.
The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.
The thermostat may erratically stick open or closed. The can result in illumination of the Check Engine Light and/or engine overheating.
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1 Known 2005 Audi A6 Quattro Brakes Problem

The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.

3 Known 2005 Audi A6 Quattro Drive Train Problems

A problem with the torque converter can cause the Check Engine Light to illuminate.
A fluid leak may develop from the propeller shaft seal on the rear of the transmission. Our technicians tell us that replacing the seal will commonly correct this concern.
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.

2 Known 2005 Audi A6 Quattro Electrical & Lights Problems

Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.

2 Known 2005 Audi A6 Quattro Engine Problems

The thermostat may erratically stick open or closed. The can result in illumination of the Check Engine Light and/or engine overheating.
Engine oil leaks are common from the valve cover gaskets and camshaft chain tensioner gasket.

2 Known 2005 Audi A6 Quattro Exhaust & Emissions Problems

An ignition coil or spark plug may fail unexpectedly resulting in an engine misfire and possible illumination of the Check Engine Light.
Popping sounds from the rear of the vehicle may be heard moments after starting the engine, or when slowing to a stop. This noise is from the leak detection pump filling the fuel tank with air, and...

0 Known 2005 Audi A6 Quattro Heating & Air Conditioning Problems

0 Known 2005 Audi A6 Quattro Maintenance Problems

1 Known 2005 Audi A6 Quattro Miscellaneous Problem

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 ...

1 Known 2005 Audi A6 Quattro Suspension & Steering Problem

Premature wear in various multi-link suspension components can cause noises that are difficult to diagnose. Worn suspension parts can also cause uneven tire wear and create steering alignment probl...

12
Known 2005 Audi A6 Quattro Problems & Complaints

A problem with the torque converter can cause the Check Engine Light to illuminate.
The thermostat may erratically stick open or closed. The can result in illumination of the Check Engine Light and/or engine overheating.
Erratic turn signal operation can be a result of a failing turn signal flasher relay which will require replacement.
Engine oil leaks are common from the valve cover gaskets and camshaft chain tensioner gasket.
Premature wear in various multi-link suspension components can cause noises that are difficult to diagnose. Worn suspension parts can also cause uneven tire wear and create steering alignment probl...
Popping sounds from the rear of the vehicle may be heard moments after starting the engine, or when slowing to a stop. This noise is from the leak detection pump filling the fuel tank with air, and...
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.
An ignition coil or spark plug may fail unexpectedly resulting in an engine misfire and possible illumination of the Check Engine Light.
The anti-lock brake system (ABS) control module may fail causing the ABS light to illuminate. Failed modules should be replaced to restore ABS operation.
A fluid leak may develop from the propeller shaft seal on the rear of the transmission. Our technicians tell us that replacing the seal will commonly correct this concern.
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 ...
Get a Repair Estimate
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RepairPal estimates are guaranteed at over 1,700 quality certified locations nationwide. Learn more
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