Correct coolant for this platform
Match chemistry and color family before topping off or flushing.
Mixing coolant types can cause gel formation and overheating.
Check Price and Fitment🧪Fluid Capacities
Chevrolet Suburban FL Fluid Capacities
Factory manual fluid capacities for the Chevrolet Suburban FL. Exact capacities and specs extracted from the LEMON service manual archive.
Last updated: 2026-05-12 • Reading time: 8 min • By AllOEMManuals Editorial Team
Quick Answer
2020 Chevrolet Suburban FL: 6.59 OZS. (0.19 L) — PAG 46
| Generation | Years | Top spec |
|---|---|---|
| 2020 | 2020 | 6.59 OZS. (0.19 L) — PAG 46 |
| 2019 | 2019 | 6.59 OZS. (0.19 L) — PAG 46 |
| 2018 | 2018 | 2.00 LBS. (0.9 KG) — R-134a |
Factory Manual Verification
Cross-check these specs against the official Chevrolet Suburban FL maintenance schedule.
Factory Manual ConfirmationFluid Capacities
Know the exact fluid capacities job for your Chevrolet Suburban FL
2020 Chevrolet Suburban FL: 6.59 OZS. (0.19 L) — PAG 46
Fluid type and capacity can change by engine, drivetrain, and transmission. Verify the exact branch before filling anything. Once the spec is confirmed, use the supplies and purchase links below to build the full one-trip shopping list before you start the repair.
Exact Vehicle Check
Use the archive navigator when you need the exact engine, trim, or production-branch manual instead of a broad year-range summary. That keeps the buying list and repair steps aligned with the real vehicle.
Open the manual links above to confirm the exact engine and trim branch before ordering parts.
2020
2020Air Cond Compressor Oil6.59 OZS. (0.19 L) — PAG 46
Air Cond Refrigerant2.00 LBS. (0.9 KG) — R-134a
Automatic Transmission Fluid (Trans Mfr CD 6L80/MYC)6.00 QTS. (5.67 L) — Automatic Transmission Fluid DEXRON VI Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Brake Fluid— DOT 3 Hydraulic Brake Fluid
Diesel Exhaust Fluid5.40 GALS. (20.44 L) — Diesel Exhaust Fluid (DEF) containing the API centied or ISO 22241 label
Differential Gear Oil2.75 QTS. (2.6 L) — SAE 75W-85 Synthetic Gear Oil Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Engine Coolant17.80 QTS. (16.84 L) — 50/50 mixture of DEX-COOL and clean, drinkable water Note: Add 2.1 qts. if equipped with rear heater.
All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Engine Oil7.50 QTS. (7.09 L) — API - SAE 0W-20 Note: Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended.
Fuel Tank26.00 GALS. (98.42 L)
Transfer Case Fluid1.60 QTS. (1.51 L) — Automatic Transmission Fluid DEXRON VI Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Windshield Washer Fluid— Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.
Automotive windshield washer fluid that meets regional freeze protection requirements.
Notes
- →All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
- →Add 2.1 qts. if equipped with rear heater. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
- →Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended.
- →Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements.
2019
2019Air Cond Compressor Oil6.59 OZS. (0.19 L) — PAG 46
Air Cond Refrigerant2.00 LBS. (0.9 KG) — R-134a
Automatic Transmission Fluid (Trans Mfr CD 6L80/MYC)6.00 QTS. (5.67 L) — Automatic Transmission Fluid DEXRON VI Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Brake Fluid— DOT 3 Hydraulic Brake Fluid
Differential Gear Oil2.75 QTS. (2.6 L) — SAE 75W-85 Synthetic Gear Oil Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Engine Coolant17.80 QTS. (16.84 L) — 50/50 mixture of DEX-COOL and clean, drinkable water Note: Add 2.1 qts. if equipped with rear heater.
All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Engine Oil7.50 QTS. (7.09 L) — API - SAE 0W-20 Note: Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended.
Fuel Tank26.00 GALS. (98.42 L)
Transfer Case Fluid1.60 QTS. (1.51 L) — Automatic Transmission Fluid DEXRON VI Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Windshield Washer Fluid— Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.
Automotive windshield washer fluid that meets regional freeze protection requirements.
Notes
- →All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
- →Add 2.1 qts. if equipped with rear heater. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
- →Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended.
- →Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements.
2018
2018Air Cond Refrigerant2.00 LBS. (0.9 KG) — R-134a
Automatic Transmission Fluid6.00 QTS. (5.67 L) — Automatic Transmission Fluid DEXRON VI Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Brake Fluid— DOT 3 Hydraulic Brake Fluid
Differential Gear Oil2.75 QTS. (2.6 L) — SAE 75W-85 Synthetic Gear Oil Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Engine Coolant17.80 QTS. (16.84 L) — 50/50 mixture of DEX-COOL and clean, drinkable water Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Engine Oil7.50 QTS. (7.09 L) — API - SAE 0W-20 Note: Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended.
Do not add anything to the oil. The recommended oils meeting the dexos1 specification are all that is needed for good performance and engine protection.
Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
Fuel Tank31.50 GALS. (119.24 L)
Transfer Case Fluid1.60 QTS. (1.51 L) — Automatic Transmission Fluid DEXRON VI Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Windshield Washer Fluid— Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio.
Automotive windshield washer fluid that meets regional freeze protection requirements.
Notes
- →All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
- →Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 Synthetic Blend is recommended. Do not add anything to the oil. The recommended oils meeting the dexos1 specification are all that is needed for good performance and engine protection. Engine oil system flushes are not recommended and could cause engine damage not covered by the vehicle warranty.
- →Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements.
Ready to BuyFitment-first picks for Chevrolet Suburban FL
Buy the Exact Parts and Tools for This Job
These links are built from the same specs shown on this page so users can move from lookup to purchase faster. Confirm exact engine and trim if your vehicle has multiple variants, then build the full cart before you step away from the computer.
Affiliate disclosure: We may earn a commission at no extra cost to you. The goal is to get you to the right parts in one pass.
Spec Snapshot
- Engine Oil
- 7.50 QTS. (7.09 L) — API - SAE 0W-20 Note: Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended.
- Engine Coolant
- 17.80 QTS. (16.84 L) — 50/50 mixture of DEX-COOL and clean, drinkable water Note: Add 2.1 qts. if equipped with rear heater. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
- Automatic Transmission Fluid (Trans Mfr CD 6L80/MYC)
- 6.00 QTS. (5.67 L) — Automatic Transmission Fluid DEXRON VI Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Transmission fluid for your gearbox
Fluid choice must match the transmission specification.
Incorrect ATF is a common cause of poor shift quality.
Check Price and FitmentBrake fluid and bleed kit
DOT-rated fluid plus simple bleeding tools.
Moisture-heavy brake fluid lowers boiling performance over time.
Check Price and FitmentLong-neck funnel and extractor
Useful for topping off and moving fluids cleanly.
These save time when the fill point is awkward or hidden.
Check Price and FitmentShop towels and gloves
Basic cleanup gear for any fluid service job.
Cleanup tools make every service easier and safer.
Check Price and FitmentBefore you buy, sanity-check the repair quote and the cart
If your shop quote looks high, run it through Quote Shield to catch overpricing before checkout. Then use the parts links above to lock in the one-trip plan.
One-Trip Shopping List
Recommended supplies and tools for this job, grouped so you can buy everything before the repair starts.
💉Shop →
Fluid Extraction Pump
Cleanly remove old fluids from reservoirs.
🧹Shop →
Clean Shop Rags
Lint-free rags for cleaning dipsticks and spills.
🌪️Shop →
Multi-Purpose Funnel
Long-neck funnel for hard-to-reach fill points.
🧤Shop →
Nitrile Gloves
Keep hands clean during multi-fluid maintenance.
🧰View All →
Project Essentials
Basic tool sets, gloves, and cleaning supplies for your Chevrolet Suburban FL so the job is ready when the parts arrive.
Frequently Asked Questions
- Where is this data from?
- Extracted directly from the LEMON factory service manual archive. Sources are cited per generation.
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Author & Review
Written by AllOEMManuals Editorial Team. Reviewed by ASE-certified technicians and updated with factory-reference checks for fitment-sensitive steps.
This guide was drafted with AI assistance and reviewed for accuracy by a human editor.
Last updated: 2026-05-12