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
2011 Subaru Forester Mk3 (SH)
Mid-cycle models benefit from slightly improved diesel reliability but still carry the same crankshaft and suspension weaknesses. These are often the best value examples if well maintained.
What changed for 2011
- •Minor equipment upgrades
- •Revised interior trim options
Common MOT watch-outs
- !Diesel crankshaft failure still possible on neglected cars
- !Self-levelling suspension losing pressure
- !Brake pipe corrosion becoming an MOT advisory
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 2011 Subaru Forester Mk3 (SH)
- ✓Ask for evidence of regular oil changes with correct low-ash oil
- ✓Check the self-levelling suspension for leaks
- ✓Inspect the brake pipes for early corrosion