2022 GMC Sierra 1500 Coolant Capacity & Type
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The 2022 GMC Sierra 1500 holds approximately 16.9 quarts (16.0 liters) of coolant in its cooling system for the 5.3L and 6.2L V8 engines, and 17.9 quarts (17.0 liters) for the 3.0L Duramax diesel engine.
Quick Answer
- Total Cooling System Capacity:
- 5.3L & 6.2L V8: 16.9 quarts (16.0 liters)
- 3.0L Duramax Diesel: 17.9 quarts (17.0 liters)
- OEM Coolant Spec: Orange/Dex-Cool, Organic Acid Technology (OAT).
- Mix Ratio: 50/50 Pre-mixed or concentrate to be mixed 50/50 with distilled water.
Capacity by Engine Option
The 2022 GMC Sierra 1500 offers several engine choices, each with a slightly different cooling system capacity:
- 5.3L EcoTec3 V8: Approximately 16.9 quarts (16.0 liters)
- 6.2L EcoTec3 V8: Approximately 16.9 quarts (16.0 liters)
- 3.0L Duramax Turbo-Diesel I6: Approximately 17.9 quarts (17.0 liters)
These capacities are for a complete drain and fill, including the engine block, radiator, and heater core.
Flush Interval
GMC recommends the following coolant flush intervals for the 2022 Sierra 1500:
- Normal Duty: Replace engine coolant every 150,000 miles or 5 years, whichever comes first.
- Severe Duty: If you frequently tow, operate in extreme temperatures, or drive in dusty conditions, it
More specs for the 2022 GMC Sierra 1500
Oil Capacity & Filter
Capacity, weight, filter PN, drain plug torque, change interval.
Fluid Type Specs
Engine oil, coolant, ATF, diff, brake, PS, DEF — with OEM spec numbers.
Transmission Fluid & Service
Trans model, fluid spec, capacity, filter PN, service interval.
Torque Specifications
Lug nuts, drain plug, caliper, axle nut, plug, key fasteners.
Brake Pad & Rotor Specs
Pad PNs, rotor size, min thickness, caliper torque.
Tire Size & Pressure
OEM size, cold psi, bolt pattern, wheel size, TPMS.
Battery Size & Group
Group size, CCA, AGM/flooded, dimensions, reset note.
A/C Refrigerant & Oil
R-134a or R-1234yf, charge oz, PAG oil spec.
Bulb Sizes (Headlight, Tail, Fog)
Headlight, fog, tail, turn, reverse, interior.
Factory Maintenance Schedule
Service intervals by mileage, severe-duty notes, known issues.
Towing Capacity & Payload
Max tow, payload, GVWR/GCWR, hitch class by trim.
Fuse Box Diagram & Amperage
Fuse box locations, layout, amps, and what each fuse controls.
Serpentine Belt Routing & Length
Belt routing, length, rib count, OEM + aftermarket PNs.
Wheel Alignment Specifications
Camber, caster, toe ranges (front & rear), adjustability notes.
Paint Color Codes
All factory colors with paint codes, sticker location, touch-up tips.
Wiper Blade Sizes
Driver/passenger/rear blade size, attachment, OEM + cross-refs.
Spark Plug Type & Gap
Plug PN, gap, torque, interval by engine.
Transmission & Axle Gear Ratios
Trans gear ratios, axle ratios, RPO codes, tow vs MPG impact.
Key Fob Programming
DIY programming steps, FCC ID, fob PN, battery, transponder.
Same spec — other model years
Maintenance & repair guides
2022 GMC Sierra 1500 Maintenance Schedule →
Available maintenance guidance; confirm the manufacturer schedule.
Repair planning references →
Plan the scope of work; detailed procedures need configuration-matched evidence.
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Values can vary by engine, trim and build date; check your VIN-specific service information. Updated 2026-06-23.