Free API
Help
1992 GMC C1500
6.5L V8 Diesel•4WD•diesel•L65•turbo
1 active safety recall on this vehicle — view recalls
Founding sponsor spot is openYour name on every procedure for this vehicle, permanently.Sponsor — $99 →
Repairs0Labor526Torque135Fluid11DTC0Battery1Maintenance0Recalls1
Fluid · Coolant

Coolant

for 1992 GMC C1500 6.5L V8 Diesel · 4WD
Fluid Type
Universal green ethylene glycol 50/50
Spec: ASTM D3306
Capacity
24qt
22.7 L
Drain & Refill
18 qt
17.03 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

Detroit Diesel 6.5L requires larger coolant capacity. Use diesel-compatible coolant without silicates

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 1992 GMC C1500 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 C1500 — $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 Auto Shop Base — $249/mo, all features included.
Try Auto Shop Base →