Common Problems with the
1999–2003 Subaru Outback Mk2 (BH)

We've identified 2 known issues that can affect the 1999–2003 Subaru Outback Mk2 (BH). 1 of these are serious faults that could be expensive to repair.

2
Known Issues
1
Serious
1
Moderate
0
Minor

All Known Issues

Head Gasket Failure (EJ25 Engine)

SeriousEngine

The 2.5L engine often develops external oil and coolant leaks, or internal leaks leading to overheating.

Most affected: 2.5L Petrol

Estimated cost: £1,200–£1,800Affects: 19992003Often appears around: 90,000–120,000 miles

Typical symptoms

  • Overheating on hills
  • Oil weeping from cylinder heads
  • Sweet smell from exhaust

What to inspect before you buy

  • Check the lower block for wet oil or blue/green crust
  • Confirm if the radiator is original (plastic tanks often crack)

Rear Wheel Bearing Wear

ModerateSuspension & Chassis

A common failure on this generation, often starting as a faint drone that many owners ignore until it becomes a roar.

Estimated cost: £250–£450 per sideAffects: 19992003Often appears around: 70,000+ miles

Typical symptoms

  • Humming noise that increases with speed
  • Vibration through the floor

What to inspect before you buy

  • Drive the car at motorway speeds
  • Check for play in the rear wheels

Buying Tips for the 1999 Subaru Outback Mk2 (BH)

  • If looking at a 2.5L, assume the head gaskets will need doing by 100,000 miles if there is no record of replacement.
  • Check for "torque bind" by making tight circles in a car park; a hopping sensation indicates AWD center differential issues.
  • The 3.0L H6 (H6-3.0) is much more reliable regarding head gaskets but significantly thirstier.

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