2008 SUBARU OUTBACK

Typical onset: 80,000-130,000 mi

Symptoms: Coolant seepage or drips at engine block seam, especially passenger side, Sweet smell after driving, visible residue on block, Gradual coolant loss without visible puddles initially, White crusty buildup around head/block joint

Fix: Full head gasket replacement on both banks, machine shop resurface if warped, timing components while apart. 12-16 labor hours. Critical to use OEM or Fel-Pro multi-layer steel gaskets—original composite gaskets will fail again.

Estimated cost: $2,200-3,200

Typical onset: 70,000-110,000 mi

Symptoms: ATF puddles under vehicle, often near radiator area, Rusted or weeping steel cooler lines at chassis rail or radiator connections, Sudden loss of forward gears if line ruptures while driving, Check Engine light with low transmission fluid codes

Fix: Replace both steel cooler lines before they burst—if they rupture and you run the trans dry even briefly, you're looking at a rebuild or replacement. Lines alone are 2-3 hours. If transmission is damaged, add 8-12 hours for R&R and rebuild. Salt-belt cars see this constantly.

Estimated cost: $400-700 (lines only), $3,500-5,500 (if trans rebuild needed)

Typical onset: 90,000-140,000 mi

Symptoms: Blue smoke on startup or acceleration, Whining or grinding noise from turbo under boost, Loss of power, sluggish acceleration, Oil consumption increases dramatically

Fix: Turbocharger replacement, often with oil feed/return line cleaning or replacement. Banjo bolt screens clog and starve turbo of oil. 6-8 labor hours. Use OEM or quality aftermarket—cheap eBay turbos fail quickly.

Estimated cost: $2,000-3,200

Typical onset: 60,000-100,000 mi

Symptoms: Sudden misfire, flashing Check Engine light, Cylinder 4 misfire code most common (P0304), Compression test shows one cylinder significantly low, Sometimes follows aggressive driving, modifications, or detonation event

Fix: Engine rebuild or short block replacement. Cylinder 4 ringland cracks, loses compression. Some shops do single-piston jobs but full short block is safer long-term. 16-20 hours labor minimum.

Estimated cost: $4,500-7,000

Typical onset: 70,000-120,000 mi

Symptoms: Humming or growling noise that increases with speed, Noise changes with turning (louder on one side during turns), Vibration felt through seat or floor, ABS light may illuminate if sensor is integral

Fix: Replace hub/bearing assembly, one side at a time. Rears go more often than fronts. 1.5-2 hours per side. Not catastrophic but left too long can damage axle or ABS tone ring.

Estimated cost: $350-550 per side

Typical onset: 80,000-130,000 mi

Symptoms: Clunking over bumps, especially from front end, Steering feels vague or car wanders slightly, Visible cracking or tearing in rubber bushings during inspection, Alignment won't hold, tire wear on inside edges

Fix: Replace control arms or press in new bushings if shop has tooling. Most techs replace the whole arm—easier and not much more expensive. 2-3 hours both sides plus alignment.

Estimated cost: $500-800

Symptoms: Recall notice from Subaru or NHTSA, No symptoms until airbag deploys improperly—can send metal shrapnel into cabin, Check VIN for open recalls before purchase

Fix: Free recall repair at any Subaru dealer—passenger airbag inflator replacement. Takes 1-2 hours, parts often backordered. Do not ignore this—people have died.

Estimated cost: $0 (recall)