Where is this data from?

Extracted directly from the LEMON factory service manual archive. Sources are cited per generation.

Why do fluid capacities vary by generation for the Chevrolet Tahoe FL?

Different engine options, transmission types, and cooling system designs across model years change total fluid volumes. Always use the capacity listed for your exact year and engine code — do not guess across generations.

🧪Fluid Capacities

Chevrolet Tahoe FL Fluid Capacities

Factory manual fluid capacities for the Chevrolet Tahoe FL. Exact capacities and specs extracted from the LEMON service manual archive.

Last updated: 2026-10-29 • Reading time: 8 min • By AllOEMManuals Editorial Team

Quick Answer

2021 Chevrolet Tahoe FL: 6.59 OZS. (0.19 L) — PAG 46

Generation	Years	Top spec
2021	2021	6.59 OZS. (0.19 L) — PAG 46
2020	2020	6.59 OZS. (0.19 L) — PAG 46
2019	2019	6.59 OZS. (0.19 L) — PAG 46

Structured Spec Sheet // Chevrolet Tahoe FL Fluid Capacities

Quick Answer:2021 Chevrolet Tahoe FL: 6.59 OZS. (0.19 L) — PAG 46

Air Cond Compressor Oil (2021):6.59 OZS. (0.19 L) — PAG 46

Air Cond Refrigerant (2021):1.80 LBS. (0.81 KG) — R-1234yf

Automatic Transmission Fluid (2021):8.10 QTS. (7.66 L) — Automatic Transmission Fluid DEXRON ULV Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.

Brake Fluid (2021):2.11 PTS. (0.99 L) — DOT 4 Motor Vehicle Brake Fluid

Diesel Exhaust Fluid (2021):5.40 GALS. (20.44 L) — Diesel Exhaust Fluid (DEF) containing the API centied or ISO 22241 label

Differential Gear Oil (2021):1.59 QTS. (1.5 L) — SAE 75W-85 GM Part No. 19418501 Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.

Engine Coolant (5.3 L Eng) (2021):15.62 QTS. (14.78 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 Oil (5.3 L Eng) (2021):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.

Fuel Tank (2021):24.00 GALS. (90.84 L)

Transfer Case Fluid (2021):1.60 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 (2021):— Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements.

Air Cond Compressor Oil (2020):6.59 OZS. (0.19 L) — PAG 46

Air Cond Refrigerant (2020):2.00 LBS. (0.9 KG) — R-134a

Automatic Transmission Fluid ( Trans Mfr C D 6 L80/ M Y C) (2020):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 (2020):— DOT 3 Hydraulic Brake Fluid

Diesel Exhaust Fluid (2020):5.40 GALS. (20.44 L) — Diesel Exhaust Fluid (DEF) containing the API centied or ISO 22241 label

Differential Gear Oil (2020):2.75 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 Coolant (2020):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.

Engine Oil (2020):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.

Fuel Tank (2020):26.00 GALS. (98.42 L)

Transfer Case Fluid (2020):1.60 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 (2020):— Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements.

Air Cond Compressor Oil (2019):6.59 OZS. (0.19 L) — PAG 46

Air Cond Refrigerant (2019):2.00 LBS. (0.9 KG) — R-134a

Automatic Transmission Fluid ( Trans Mfr C D 6 L80/ M Y C) (2019):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 (2019):— DOT 3 Hydraulic Brake Fluid

Differential Gear Oil (2019):2.75 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 Coolant (2019):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.

Engine Oil (2019):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.

Fuel Tank (2019):26.00 GALS. (98.42 L)

Transfer Case Fluid (2019):1.60 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 (2019):— Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements.

Air Cond Compressor Oil (2018):6.59 OZS. (0.19 L) — PAG 46

Air Cond Refrigerant (2018):2.00 LBS. (0.9 KG) — R-134a

Automatic Transmission Fluid ( Trans Mfr C D 6 L80/ M Y C) (2018):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 (2018):— DOT 3 Hydraulic Brake Fluid

Differential Gear Oil (2018):2.75 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 Coolant (2018):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.

Engine Oil (2018):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 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 Tank (2018):26.00 GALS. (98.42 L)

Transfer Case Fluid (2018):1.60 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 (2018):— Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements.

This vehicle's factory manual

The spec is above. This opens the 2021 Chevrolet Tahoe FL factory book. Use another year if yours is older.

Open the 2021 Chevrolet manual

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Chevrolet Tahoe FL maintenance schedule

Factory Manual ConfirmationFluid Capacities

Know the exact fluid capacities job for your Chevrolet Tahoe FL

2021 Chevrolet Tahoe 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.

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The button opens the factory book for this vehicle. Use the engine picker only when your trim is not the one this page already matched.

Open the 2021 factory manual Different engine or trim

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2021

2021Open 2021 manual

Air Cond Compressor Oil6.59 OZS. (0.19 L) — PAG 46

Air Cond Refrigerant1.80 LBS. (0.81 KG) — R-1234yf

Automatic Transmission Fluid8.10 QTS. (7.66 L) — Automatic Transmission Fluid DEXRON ULV Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.

Brake Fluid2.11 PTS. (0.99 L) — DOT 4 Motor Vehicle Brake Fluid

Diesel Exhaust Fluid5.40 GALS. (20.44 L) — Diesel Exhaust Fluid (DEF) containing the API centied or ISO 22241 label

Differential Gear Oil1.59 QTS. (1.5 L) — SAE 75W-85 GM Part No. 19418501 Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.

Engine Coolant (5.3L Eng)15.62 QTS. (14.78 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 Oil (5.3L Eng)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.

Fuel Tank24.00 GALS. (90.84 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.
→GM Part No. 19300457.
→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.

Shop Exact Match on Amazon →Full Repair Guide →

2020

2020Open 2020 manual

Air 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)

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.

Shop Exact Match on Amazon →Full Repair Guide →

2019

2019Open 2019 manual

Air Cond Compressor Oil6.59 OZS. (0.19 L) — PAG 46

Air Cond Refrigerant2.00 LBS. (0.9 KG) — R-134a

Brake Fluid— DOT 3 Hydraulic Brake Fluid

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)

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.

Shop Exact Match on Amazon →Full Repair Guide →

2018

2018Open 2018 manual

Air Cond Compressor Oil6.59 OZS. (0.19 L) — PAG 46

Air Cond Refrigerant2.00 LBS. (0.9 KG) — R-134a

Brake Fluid— DOT 3 Hydraulic Brake Fluid

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 Tank26.00 GALS. (98.42 L)

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 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.

Shop Exact Match on Amazon →Full Repair Guide →

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Chevrolet Tahoe FL Fluid Service Kit

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Long-Neck Funnel

Transmission and differential fill holes are recessed. A short funnel makes a mess.

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Fluid Extraction Pump

Removing old brake fluid from the reservoir without a pump contaminates the master cylinder.

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Fluids — Manual's Parts List

Everything for a full fluid service weekend.

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Engine Oil
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2
Coolant
Match color/chemistry — never mix types
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3
Long-Neck Funnel
Transmission and differential fill holes are recessed
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4
Fluid Extraction Pump
Remove old brake fluid from reservoir without mess
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5
Shop Rags
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One-Trip Shopping List

Recommended supplies and tools for this job, grouped so you can buy everything before the repair starts.

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Fluid Extraction Pump

Cleanly remove old fluids from reservoirs.

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Clean Shop Rags

Lint-free rags for cleaning dipsticks and spills.

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Multi-Purpose Funnel

Long-neck funnel for hard-to-reach fill points.

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Nitrile Gloves

Keep hands clean during multi-fluid maintenance.

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Project Essentials

Basic tool sets, gloves, and cleaning supplies for your Chevrolet Tahoe 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.
What fluid capacities does a Chevrolet Tahoe FL use?: 2021 Chevrolet Tahoe FL: 6.59 OZS. (0.19 L) — PAG 46
Why do fluid capacities vary by generation for the Chevrolet Tahoe FL?: Different engine options, transmission types, and cooling system designs across model years change total fluid volumes. Always use the capacity listed for your exact year and engine code — do not guess across generations.

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Author & Review

Published by AllOEMManuals, founded by Lyndon Bedford, an automotive technician with 20 years of experience. He owned and operated a mechanic shop in Hurst, Texas from 2014 to 2022 and continues hands-on repair work.

Content may combine manual references, general repair templates, and AI-assisted drafting. Confirm the source, vehicle configuration, and applicability before working. Report corrections through our contact page.

Last updated: 2026-10-29

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Chevrolet Tahoe FL Fluid Capacities

Quick Answer

This vehicle's factory manual

Know the exact fluid capacities job for your Chevrolet Tahoe FL

Exact Vehicle Check

2021

2020

2019

2018

Manual already checked Amazon for you

Chevrolet Tahoe FL Fluid Service Kit

Long-Neck Funnel

Fluid Extraction Pump

Fluids — Manual's Parts List

One-Trip Shopping List

Fluid Extraction Pump

Clean Shop Rags

Multi-Purpose Funnel

Nitrile Gloves

Project Essentials

Frequently Asked Questions

Chevrolet Tahoe FL Repair Guides

More Chevrolet Tahoe FL Guides

Get the Complete Maintenance Schedule for Chevrolet Tahoe FL

Author & Review