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Toyota Corolla Most Common Problems (All Years)

37
wheel bearing / hub
32
strut (suspension)
25
water pump
24
alternator
24
exhaust heat shield
24
starter
18
exhaust flex pipe / mid pipe / tail pipe
18
oxygen sensor
17
end link or bushing for stabilizer bar
17
ignition coil pack
16
intake manifold gasket
15
timing belt / timing chain tensioner gasket or seal
12
muffler or resonator
11
catalytic converter
10
bulb: headlight
10
CV joint / axle / half shaft
10
radiator
9
entire transmission
9
valve cover gasket
8
blower motor / HVAC interior fan
 
4   8   12   16   20   24   28   32   36   40  
Chart is based on 1664 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.