Head Gasket Failure (EJ25 Engine)
SeriousEngineThe 2.5L engine often develops external oil and coolant leaks, or internal leaks leading to overheating.
Est. Repair Cost: £1,200–£1,800
Reliability GuideCommon Problems with the
Common Problems with the
1999 Subaru Outback Mk2 (BH)
The launch year for the BH Outback. Early models introduced the rugged estate concept but the 2.5L engine is at high risk for head gasket failure in this generation.
What changed for 1999
- •Launch of the BH Outback as a rugged estate alternative
- •Introduction of 2.5L and 3.0L engine options
- •Symmetrical AWD as standard
Common MOT watch-outs
- !Head gasket failure on 2.5L engines
- !Rear wheel bearing wear
- !Torque bind from AWD center differential issues
2
Known Issues
1
Serious
1
Moderate
0
Minor
All Known Issues
Rear Wheel Bearing Wear
ModerateSuspension & ChassisA common failure on this generation, often starting as a faint drone that many owners ignore until it becomes a roar.
Est. Repair Cost: £250–£450 per side
Buying Tips for 1999 Subaru Outback Mk2 (BH)
- ✓Assume head gaskets will need doing by 100,000 miles on 2.5L
- ✓Check for torque bind by making tight circles
- ✓Consider the 3.0L H6 for better reliability