Automatic Transmission

for 2003 Subaru Outback 2.5L H4 · AWD

Fluid Type

Subaru ATF or ATF-HP

Spec: Subaru ATF specification

Capacity

9.8qt

9.27 L

Drain & Refill

4.2 qt

3.97 L

Change Interval

30,000 mi

48,270 km

Data quality

Book-style estimate

Not yet expert-verified. Have the real number? Correct it below — takes 30 seconds.

Notes

4-speed automatic transmission (4EAT). Total capacity is for complete drain including torque converter. Regular drain-and-fill gets roughly 4-4.5 quarts.

Other fluid systems on this vehicle

🔌 Need this data in your app? It's all in the free API →

🔧 Built by master technician Chris Hackleman · Master Technician · 20+ years. Spot an error? Use the Help link above — a human reads every report.

Stuck on this repair? Take it to The Diag Desk — ask a master tech about this exact car → real human answer within 24h, never AI

Share:X Reddit FB WhatsApp Threads Email

⚠ STILL BEHIND THE PAYWALL

The 2003 Subaru Outback repair data is incomplete because no one has sponsored it yet. For $99, we generate the full step-by-step procedures, then fact-check them with a second AI pass and your expert review. Your name on every procedure, permanently.

The same data would cost $169/mo from Mitchell1 or $30/year from ALLDATAdiy — and you'd be renting access, not freeing it. Sponsor once, free forever.

Sponsor the Subaru Outback — $99 →

Building an app?

Free API access to all this data — 10 requests/day, no card required.

Get an API key →

Run a shop?

Manage repairs, estimates, and customers with ShopBase — $249/mo, all features included.

Try ShopBase →