Coolant

for 1965 Cadillac Fleetwood 429ci V8 · RWD

Fluid Type

ethylene glycol 50/50

Spec: Traditional green coolant

Capacity

22qt

20.81 L

Drain & Refill

18 qt

17.03 L

Change Interval

24,000 mi

38,616 km

Data quality

Calibrated

Platform-calibrated book-style value. Verification program ongoing.

Notes

Large displacement V8 cooling system. Use traditional green coolant or modern equivalent compatible with brass/copper components. Flush every 2 years/24k miles.

Other fluid systems on this vehicle

Automatic Transmission

11 qt

Washer Fluid

1 qt

🔌 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 1965 Cadillac Fleetwood 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 Cadillac Fleetwood — $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 →