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Audi A6 / S6 / RS6 Most Common Problems

28
control arm / tension strut / thrust arm / lateral link
21
valve cover gasket
17
water pump
16
CV boot
16
wheel bearing / hub
13
CV joint / axle / half shaft
13
thermostat
12
strut (suspension)
12
vacuum lines or hoses
11
radiator hose / engine coolant pipe
10
A/C switch
10
motor mount
8
A/C compressor
8
control arm bushing / compliance bushing / tension strut bushing / thrust arm bushing
8
engine seal / gasket, other or unspecified or unknown (oil leak)
8
exhaust flex pipe / mid pipe / tail pipe
8
ignition coil pack
8
module / computer for ABS / traction control / stability control
7
coolant reservoir / expansion tank
7
end link or bushing for stabilizer bar
 
3   6   9   12   15   18   21   24   27   30  
Chart is based on 1019 vehicles in TrueDelta's reliability survey.
These are the problems owners most commonly reported on TrueDelta's Car Reliability Survey. For many models not all entries have been coded yet, so focus on the relative numbers rather than the absolute numbers. Usually when people say "they all have this problem," the problem in question actually affects between 10 percent and 20 percent of all cars. We aren't counting wear items like brake pads and rotors that truly do require periodic replacement on all cars.

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