Back to 2006 GMC Sierra 3500
Help
2006 GMC SIERRA 3500
8.1L V8•4WD•gas•L18
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor1050Torque280Fluid18DTC2314Battery2Maintenance0Recalls0
Fluid · Coolant

Coolant

for 2006 GMC Sierra 3500 8.1L V8 · 4WD
Fluid Type
Dexcool 50/50
Spec: GM 6277M
Capacity
24qt
22.7 L
Drain & Refill
22 qt
20.81 L
Change Interval
150,000 mi
241,350 km

Notes

8.1L has large cooling capacity. Long-life orange coolant. Initial fill good for 5 years/150k miles

Buy on Amazon
As an Amazon Associate and Autel/ANCEL partner, OLP earns from qualifying purchases — how we link. This never changes the specs we publish.

Other fluid systems on this vehicle

🔌 Need this data in your app? It's all in the free API →
🔧 Database maintained under the daily editorial review of Chris Hackleman · Master Technician · 20+ years and Jeff Moore · Master Mechanic · 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 2006 GMC Sierra 3500 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 GMC Sierra 3500 — $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 →