Free API
Help
1955 PORSCHE 356
1.3L H4•RWD•MANUAL•gas
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor433Torque125Fluid7DTC0Battery1Maintenance0Recalls0
Fluid · Manual Transmission

Manual Transmission

for 1955 Porsche 356 1.3L H4 · RWD
Fluid Type
90W GL-4 gear oil
Spec: API GL-4
Capacity
2.1qt
1.99 L
Drain & Refill
2.1 qt
1.99 L
Change Interval
15,000 mi
24,135 km
Data quality
Calibrated
Platform-calibrated book-style value. Verification program ongoing.

Notes

4-speed manual. GL-5 NOT recommended due to brass synchros. Some use 80W-90 or ATF for smoother shifting.

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:XRedditFBWhatsAppThreadsEmail
⚠ STILL BEHIND THE PAYWALL
The 1955 Porsche 356 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 Porsche 356 — $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 →