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Mini Hardtop Most Common Problems (All Years)

40
thermostat
30
thermostat housing
30
water pump
23
wheel bearing / hub
21
ignition coil pack
21
valve cover gasket
19
oxygen sensor
16
motor mount
15
oil pan seal / gasket
15
power steering pump
14
clutch lining / friction plate wore out
14
control arm bushing / compliance bushing / tension strut bushing / thrust arm bushing
14
power steering hose / line / o-ring
13
brake caliper
13
fuel pump
13
timing belt tensioner / timing chain tensioner
12
bulb: headlight
12
turbocharger oil line / oil feed pipe
11
timing chain
10
alternator
 
4   8   12   16   20   24   28   32   36   40  
Chart is based on 805 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.