Boxer Diesel Crankshaft Failure
SeriousEngineThe EE20 diesel in SH Foresters is notorious for snapped crankshafts or spun main bearings, often turning the car into an uneconomic repair.
Est. Repair Cost: £3,000–£6,000
Reliability GuideCommon Problems with the
Common Problems with the
2012 Subaru Forester Mk3 (SH)
We've identified 3 known issues that can affect the 2012 Subaru Forester Mk3 (SH). 1 of these are serious faults that could be expensive to repair.
3
Known Issues
1
Serious
2
Moderate
0
Minor
All Known Issues
Rear Self-Levelling Suspension Failure
ModerateSuspension & ChassisFactory self-levelling rear dampers lose pressure and leak, leaving the back of the car sagging when unladen and especially when towing or carrying weight.
Est. Repair Cost: £500–£1,200
Rear Subframe and Mount Corrosion
ModerateBodywork & RustUK road salt can attack the rear subframe, suspension mounts and brake pipe area long before the body panels look especially rusty.
Est. Repair Cost: £400–£1,500
Buying Tips for 2012 Subaru Forester Mk3 (SH)
- ✓A diesel needs impeccable servicing and should sound smooth at idle; any deep knock is a walk-away warning.
- ✓Check the rear ride height on level ground, as failed self-levelling dampers leave the car sitting noticeably low.
- ✓Inspect the rear subframe, spring seats and inner arches carefully rather than relying on a clean MOT pass.