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 Silverado 2500 HD Custom?

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 Silverado 2500 HD Custom Fluid Capacities

Factory manual fluid capacities for the Chevrolet Silverado 2500 HD Custom. 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

2024 Chevrolet Silverado 2500 HD Custom: 3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Generation	Years	Top spec
2024	2024	3.40 OZS. (0.1 L) — PAG Oil (R-134a)
2023	2023	3.40 OZS. (0.1 L) — PAG Oil (R-134a)
2022	2022	3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Structured Spec Sheet // Chevrolet Silverado 2500 HD Custom Fluid Capacities

Quick Answer:2024 Chevrolet Silverado 2500 HD Custom: 3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Air Cond Compressor Oil (2024):3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Air Cond Refrigerant ( Eng C D L5 P) (2024):1.50 LBS. (0.68 KG) — R-134a

Automatic Transmission Fluid ( Trans Mfr C D 10 L1000/ M G M) (2024):20.60 QTS. (19.49 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 (2024):— DOT 4 Hydraulic Brake Fluid

Diesel Exhaust Fluid (2024):7.00 GALS. (26.49 L) — Diesel Exhaust Fluid Note: Approximate capacity. Diesel Exhaust Fluid or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel Exhaust Fluid Certification Mark.

Differential Gear Oil (2024):3.17 QTS. (2.99 L) — SAE 75W-90 Synthetic Axle Lubricant Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.

Engine Coolant ( Diesel) (2024):2.00 QTS. (1.89 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 Oil ( Diesel) (2024):9.20 QTS. (8.7 L) — API - SAE 15W-40 Note: Oils designated as API CJ-4 or CK-4 are required for the vehicle. The CJ-4 or CK-4 designation can appear either alone or in combination with other American Petroleum Institute (API) designations, such as API CJ-4/SL. These letters show API levels of quality. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50.

Fuel Tank ( Diesel, Pickup Crew Cab) (2024):29.40 GALS. (111.29 L)

Power Steering Fluid ( Diesel) (2024):1.20 QTS. (1.13 L) — GM Power Steering Fluid Note: GM Part No. 89021184. Approximate capacity.

Windshield Washer Fluid (2024):— Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements.

Automatic Transmission Fluid ( Trans Mfr C D 10 L1000/ M G U) (2024):20.60 QTS. (19.49 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.

Fuel Tank ( Diesel, Pickup Extra Cab) (2024):36.00 GALS. (136.27 L)

Air Cond Compressor Oil (2023):3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Air Cond Refrigerant ( Eng C D L5 P) (2023):1.50 LBS. (0.68 KG) — R-134a

Automatic Transmission Fluid ( Trans Mfr C D 10 L1000/ M G U) (2023):20.60 QTS. (19.49 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 (2023):— DOT 4 Hydraulic Brake Fluid

Diesel Exhaust Fluid (2023):7.00 GALS. (26.49 L) — Diesel Exhaust Fluid Note: Approximate capacity. Diesel Exhaust Fluid or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel Exhaust Fluid Certification Mark.

Differential Gear Oil (2023):3.17 QTS. (2.99 L) — SAE 75W-90 Synthetic Axle Lubricant Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.

Engine Coolant ( Diesel) (2023):2.00 QTS. (1.89 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 Oil ( Diesel) (2023):9.20 QTS. (8.7 L) — API - SAE 15W-40 Note: Oils designated as API CJ-4 or CK-4 are required for the vehicle. The CJ-4 or CK-4 designation can appear either alone or in combination with other American Petroleum Institute (API) designations, such as API CJ-4/SL. These letters show API levels of quality. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50.

Fuel Tank ( Diesel, Pickup Crew Cab) (2023):29.40 GALS. (111.29 L)

Power Steering Fluid ( Diesel) (2023):1.20 QTS. (1.13 L) — GM Power Steering Fluid Note: GM Part No. 89021184. Approximate capacity.

Transfer Case Fluid ( T/ Case Mfr C D 1625-6/ N Q F) (2023):2.40 QTS. (2.27 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 (2023):— Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements.

Fuel Tank ( Diesel, Pickup Extra Cab) (2023):36.00 GALS. (136.27 L)

Air Cond Compressor Oil (2022):3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Air Cond Refrigerant ( Eng C D L5 P) (2022):1.50 LBS. (0.68 KG) — R-134a

Automatic Transmission Fluid ( Trans Mfr C D 10 L1000/ M G U) (2022):20.60 QTS. (19.49 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 (2022):— DOT 4 Hydraulic Brake Fluid

Diesel Exhaust Fluid (2022):7.00 GALS. (26.49 L) — Diesel Exhaust Fluid Note: Approximate capacity. Diesel Exhaust Fluid or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel Exhaust Fluid Certification Mark.

Differential Gear Oil (2022):3.17 QTS. (2.99 L) — SAE 75W-90 Synthetic Axle Lubricant Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.

Engine Coolant ( Diesel) (2022):2.00 QTS. (1.89 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 Oil ( Diesel) (2022):9.20 QTS. (8.7 L) — API - SAE 15W-40 Note: Oils designated as API CJ-4 or CK-4 are required for the vehicle. The CJ-4 or CK-4 designation can appear either alone or in combination with other American Petroleum Institute (API) designations, such as API CJ-4/SL. These letters show API levels of quality. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50.

Fuel Tank ( Diesel, Pickup Crew Cab) (2022):29.40 GALS. (111.29 L)

Power Steering Fluid ( Diesel) (2022):1.20 QTS. (1.13 L) — GM Power Steering Fluid Note: GM Part No. 89021184. Approximate capacity.

Windshield Washer Fluid (2022):— Windshield Washer Fluid Note: Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements.

Fuel Tank ( Diesel, Pickup Extra Cab) (2022):36.00 GALS. (136.27 L)

Air Cond Compressor Oil (2021):3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Air Cond Refrigerant ( Eng C D L8 T) (2021):1.40 LBS. (0.63 KG) — R-134a

Automatic Transmission Fluid ( Trans Mfr C D 6 L90- E/ M Y D) (2021):10.50 QTS. (9.93 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 (2021):— DOT 3 Hydraulic Brake Fluid

Diesel Exhaust Fluid (2021):7.00 GALS. (26.49 L) — Diesel Exhaust Fluid Note: Approximate capacity. Diesel Exhaust Fluid or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel Exhaust Fluid Certification Mark.

Differential Gear Oil (2021):3.17 QTS. (2.99 L) — SAE 75W-90 Synthetic Axle Lubricant Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.

Engine Coolant ( Gas) (2021):15.50 QTS. (14.66 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 Oil ( Gas) (2021):7.50 QTS. (7.09 L) — API - SAE 5W-30 Dexos Note: Cold Temperature Operation: In an area of extreme cold, where the temperature falls below -29Deg. C (-20Deg. F), an SAE 0W-30 oil should be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. When selecting an oil of the appropriate viscosity grade, be sure to always select an oil that meets the required specification, dexos.

Fuel Tank ( Gas, Pickup Crew Cab) (2021):36.00 GALS. (136.27 L)

Power Steering Fluid ( Gas) (2021):1.40 QTS. (1.32 L) — GM Power Steering Fluid Note: GM Part No. 89021184. Approximate capacity.

Transfer Case Fluid ( T/ Case Mfr C D 1625-6/ N Q F) (2021):2.40 QTS. (2.27 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 Refrigerant ( Eng C D L5 P) (2021):1.50 LBS. (0.68 KG) — R-134a

Automatic Transmission Fluid ( Trans Mfr C D 10 L1000/ M G M) (2021):20.60 QTS. (19.49 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.

Engine Coolant ( Diesel) (2021):2.00 QTS. (1.89 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 Oil ( Diesel) (2021):9.20 QTS. (8.7 L) — API - SAE 15W-40 Note: Oils designated as API CJ-4 or CK-4 are required for the vehicle. The CJ-4 or CK-4 designation can appear either alone or in combination with other American Petroleum Institute (API) designations, such as API CJ-4/SL. These letters show API levels of quality. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50.

Fuel Tank ( Diesel, Pickup Extra Cab) (2021):36.00 GALS. (136.27 L)

Power Steering Fluid ( Diesel) (2021):1.20 QTS. (1.13 L) — GM Power Steering Fluid Note: GM Part No. 89021184. Approximate capacity.

Air Cond Compressor Oil (2020):3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Air Cond Refrigerant ( Eng C D L8 T) (2020):1.40 LBS. (0.63 KG) — R-134a

Automatic Transmission Fluid ( Trans Mfr C D 6 L90- E/ M Y D) (2020):10.50 QTS. (9.93 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):7.00 GALS. (26.49 L) — Diesel Exhaust Fluid Note: Approximate capacity. Diesel Exhaust Fluid or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel Exhaust Fluid Certification Mark.

Differential Gear Oil (2020):3.17 QTS. (2.99 L) — SAE 75W-90 Synthetic Axle Lubricant Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.

Engine Coolant ( Gas) (2020):15.50 QTS. (14.66 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 Oil ( Gas) (2020):7.50 QTS. (7.09 L) — API - SAE 5W-30 Dexos Note: Cold Temperature Operation: In an area of extreme cold, where the temperature falls below -29Deg. C (-20Deg. F), an SAE 0W-30 oil should be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. When selecting an oil of the appropriate viscosity grade, be sure to always select an oil that meets the required specification, dexos.

Fuel Tank ( Gas, Pickup Crew Cab) (2020):36.00 GALS. (136.27 L)

Power Steering Fluid ( Gas) (2020):1.40 QTS. (1.32 L) — GM Power Steering Fluid Note: GM Part No. 89021184. Approximate capacity.

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.

Fuel Tank ( Gas, Pickup Extra Cab) (2020):40.00 GALS. (151.41 L)

This vehicle's factory manual

The spec is above. This opens the 2024 Chevrolet Silverado 2500 HD Custom factory book. Use another year if yours is older.

Open the 2024 Chevrolet manual

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Chevrolet Silverado 2500 HD Custom maintenance schedule

Factory Manual ConfirmationFluid Capacities

Know the exact fluid capacities job for your Chevrolet Silverado 2500 HD Custom

2024 Chevrolet Silverado 2500 HD Custom: 3.40 OZS. (0.1 L) — PAG Oil (R-134a)

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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2024

2024Open 2024 manual

Air Cond Compressor Oil3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Air Cond Refrigerant (Eng CD L5P)1.50 LBS. (0.68 KG) — R-134a

Automatic Transmission Fluid (Trans Mfr CD 10L1000/MGM)20.60 QTS. (19.49 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— DOT 4 Hydraulic Brake Fluid

Diesel Exhaust Fluid7.00 GALS. (26.49 L) — Diesel Exhaust Fluid Note: Approximate capacity. Diesel Exhaust Fluid or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel Exhaust Fluid Certification Mark.

Differential Gear Oil3.17 QTS. (2.99 L) — SAE 75W-90 Synthetic Axle Lubricant Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.

Engine Coolant (Diesel)2.00 QTS. (1.89 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 Oil (Diesel)9.20 QTS. (8.7 L) — API - SAE 15W-40 Note: Oils designated as API CJ-4 or CK-4 are required for the vehicle. The CJ-4 or CK-4 designation can appear either alone or in combination with other American Petroleum Institute (API) designations, such as API CJ-4/SL. These letters show API levels of quality. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50.

Fuel Tank (Diesel,Pickup Crew Cab)29.40 GALS. (111.29 L)

Power Steering Fluid (Diesel)1.20 QTS. (1.13 L) — GM Power Steering Fluid Note: GM Part No. 89021184. Approximate capacity.

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.

Automatic Transmission Fluid (Trans Mfr CD 10L1000/MGU)20.60 QTS. (19.49 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.

Fuel Tank (Diesel,Pickup Extra Cab)36.00 GALS. (136.27 L)

Notes

→All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
→Approximate capacity. Diesel Exhaust Fluid or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel Exhaust Fluid Certification Mark.
→Oils designated as API CJ-4 or CK-4 are required for the vehicle. The CJ-4 or CK-4 designation can appear either alone or in combination with other American Petroleum Institute (API) designations, such as API CJ-4/SL. These letters show API levels of quality. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50.
→GM Part No. 89021184. Approximate capacity.
→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 →

2023

2023Open 2023 manual

Air Cond Compressor Oil3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Air Cond Refrigerant (Eng CD L5P)1.50 LBS. (0.68 KG) — R-134a

Brake Fluid— DOT 4 Hydraulic Brake Fluid

Fuel Tank (Diesel,Pickup Crew Cab)29.40 GALS. (111.29 L)

Power Steering Fluid (Diesel)1.20 QTS. (1.13 L) — GM Power Steering Fluid Note: GM Part No. 89021184. Approximate capacity.

Transfer Case Fluid (T/Case Mfr CD 1625-6/NQF)2.40 QTS. (2.27 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.

Fuel Tank (Diesel,Pickup Extra Cab)36.00 GALS. (136.27 L)

Notes

→All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
→Approximate capacity. Diesel Exhaust Fluid or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel Exhaust Fluid Certification Mark.
→Oils designated as API CJ-4 or CK-4 are required for the vehicle. The CJ-4 or CK-4 designation can appear either alone or in combination with other American Petroleum Institute (API) designations, such as API CJ-4/SL. These letters show API levels of quality. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50.
→GM Part No. 89021184. Approximate capacity.
→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 →

2022

2022Open 2022 manual

Air Cond Compressor Oil3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Air Cond Refrigerant (Eng CD L5P)1.50 LBS. (0.68 KG) — R-134a

Brake Fluid— DOT 4 Hydraulic Brake Fluid

Fuel Tank (Diesel,Pickup Crew Cab)29.40 GALS. (111.29 L)

Power Steering Fluid (Diesel)1.20 QTS. (1.13 L) — GM Power Steering Fluid Note: GM Part No. 89021184. Approximate capacity.

Fuel Tank (Diesel,Pickup Extra Cab)36.00 GALS. (136.27 L)

Notes

→All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
→Approximate capacity. Diesel Exhaust Fluid or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel Exhaust Fluid Certification Mark.
→Oils designated as API CJ-4 or CK-4 are required for the vehicle. The CJ-4 or CK-4 designation can appear either alone or in combination with other American Petroleum Institute (API) designations, such as API CJ-4/SL. These letters show API levels of quality. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50.
→GM Part No. 89021184. Approximate capacity.
→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 →

2021

2021Open 2021 manual

Air Cond Compressor Oil3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Air Cond Refrigerant (Eng CD L8T)1.40 LBS. (0.63 KG) — R-134a

Automatic Transmission Fluid (Trans Mfr CD 6L90-E/MYD)10.50 QTS. (9.93 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

Engine Coolant (Gas)15.50 QTS. (14.66 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 Oil (Gas)7.50 QTS. (7.09 L) — API - SAE 5W-30 Dexos Note: Cold Temperature Operation: In an area of extreme cold, where the temperature falls below -29Deg. C (-20Deg. F), an SAE 0W-30 oil should be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. When selecting an oil of the appropriate viscosity grade, be sure to always select an oil that meets the required specification, dexos.

Fuel Tank (Gas,Pickup Crew Cab)36.00 GALS. (136.27 L)

Power Steering Fluid (Gas)1.40 QTS. (1.32 L) — GM Power Steering Fluid Note: GM Part No. 89021184. Approximate capacity.

Air Cond Refrigerant (Eng CD L5P)1.50 LBS. (0.68 KG) — R-134a

Fuel Tank (Diesel,Pickup Extra Cab)36.00 GALS. (136.27 L)

Power Steering Fluid (Diesel)1.20 QTS. (1.13 L) — GM Power Steering Fluid Note: GM Part No. 89021184. Approximate capacity.

Notes

→All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
→Approximate capacity. Diesel Exhaust Fluid or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel Exhaust Fluid Certification Mark.
→Cold Temperature Operation: In an area of extreme cold, where the temperature falls below -29Deg. C (-20Deg. F), an SAE 0W-30 oil should be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. When selecting an oil of the appropriate viscosity grade, be sure to always select an oil that meets the required specification, dexos.
→GM Part No. 89021184. Approximate capacity.
→Follow the Manufacturer's Instructions for the mixture ratio. Automotive windshield washer fluid that meets regional freeze protection requirements.
→Oils designated as API CJ-4 or CK-4 are required for the vehicle. The CJ-4 or CK-4 designation can appear either alone or in combination with other American Petroleum Institute (API) designations, such as API CJ-4/SL. These letters show API levels of quality. When it is very cold, below 0Deg. F (-18Deg.C), you should use SAE 5W-40 to improve cold starting. Do not use other viscosity such as SAE 10W-30, SAE 10W-40, or SAE 20W-50.

Shop Exact Match on Amazon →Full Repair Guide →

2020

2020Open 2020 manual

Air Cond Compressor Oil3.40 OZS. (0.1 L) — PAG Oil (R-134a)

Air Cond Refrigerant (Eng CD L8T)1.40 LBS. (0.63 KG) — R-134a

Brake Fluid— DOT 3 Hydraulic Brake Fluid

Fuel Tank (Gas,Pickup Crew Cab)36.00 GALS. (136.27 L)

Power Steering Fluid (Gas)1.40 QTS. (1.32 L) — GM Power Steering Fluid Note: GM Part No. 89021184. Approximate capacity.

Fuel Tank (Gas,Pickup Extra Cab)40.00 GALS. (151.41 L)

Notes

→All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
→Approximate capacity. Diesel Exhaust Fluid or diesel exhaust fluid that meets ISO 22241-1 or displays the API Diesel Exhaust Fluid Certification Mark.
→Cold Temperature Operation: In an area of extreme cold, where the temperature falls below -29Deg. C (-20Deg. F), an SAE 0W-30 oil should be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. When selecting an oil of the appropriate viscosity grade, be sure to always select an oil that meets the required specification, dexos.
→GM Part No. 89021184. Approximate capacity.
→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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Long-Neck Funnel

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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 Silverado 2500 HD Custom 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 Silverado 2500 HD Custom use?: 2024 Chevrolet Silverado 2500 HD Custom: 3.40 OZS. (0.1 L) — PAG Oil (R-134a)
Why do fluid capacities vary by generation for the Chevrolet Silverado 2500 HD Custom?: 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 Silverado 2500 HD Custom Fluid Capacities

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Know the exact fluid capacities job for your Chevrolet Silverado 2500 HD Custom

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Manual already checked Amazon for you

Chevrolet Silverado 2500 HD Custom 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 Silverado 2500 HD Custom Repair Guides

More Chevrolet Silverado 2500 HD Custom Guides

Get the Complete Maintenance Schedule for Chevrolet Silverado 2500 HD Custom

Author & Review