2022 Chevrolet Silverado 1500 Fluid Type Specifications

Quick Reference

Fluid	Type/Spec	Capacity
Engine Oil	SAE 0W-20, dexos1 Gen3 (Gasoline engines)	6.0L V8: 8.0 qt (7.6 L)
	SAE 5W-30, dexos2 (Diesel engines)	3.0L Duramax: 7.0 qt (6.6 L)
Engine Coolant	Dex-Cool (Orange/Pink), GM Spec 6277M	16-18 quarts (estimate, varies)
Transmission Fluid	Dexron HP (8-speed), Dexron ULV (10-speed)	Refer to owner's manual
Transfer Case	Autotrac II (Blue), GM Part No. 88900402	1.5 - 2.0 quarts (approximate)
Front Differential	SAE 75W-90, GM Part No. 88901235	1.5 - 2.0 quarts (approximate)
Rear Differential	SAE 75W-90 (non-locking), GM Part No. 88901235	2.5 - 3.0 quarts (approximate)
	SAE 75W-90 with Friction Modifier (locking)
Brake Fluid	DOT 3 or DOT 4	Refer to owner's manual
Power Steering Fluid	Dexron VI Automatic Transmission Fluid	Refer to owner's manual
Washer Fluid	GM Optikleen or equivalent all-season formula	1 gallon (approximate)
DEF	ISO 22241 (Diesel Exhaust Fluid)	7 gallons (26.5 L) for 3.0L Duramax

Engine Oil

For 2022 Chevrolet Silverado 1500 gasoline engines, SAE 0W-20 engine oil is recommended, meeting the dexos1 Gen3 specification. This is a synthetic blend or full synthetic oil designed to optimize fuel economy and protect against low-speed pre-ignition (LSPI). Capacity for the 6.0L V8 is approximately 8.0 quarts (7.6 liters). Always verify the exact capacity in your owner's manual as it can vary slightly with engine size and specific model year updates.

For the 3.0L Duramax diesel engine, the factory fill is SAE 5W-30 meeting the dexos2 specification. The 3.0L Duramax typically holds around 7.0 quarts (6.6 liters). GM dexos2 oils are specifically formulated for diesel engines equipped with diesel particulate filters (DPFs) and other emissions after-treatment systems.

Intervals and Pitfalls: Engine oil and filter should be changed according to the Oil Life Monitoring (OLM) system, typically every 7,500 to 10,000 miles or once a year, whichever comes first. Using oil that does not meet the specified dexos rating can lead to premature engine wear, reduced fuel economy, and potential issues with emissions systems. Never mix conventional oil with synthetic oil if the factory spec calls for synthetic, and always ensure the correct weight is used.

Engine Coolant

The 2022 Chevrolet Silverado 1500 uses Dex-Cool extended-life engine coolant, which is typically orange or pink in color. This coolant meets GM Specification 6277M and is an Organic Acid Technology (OAT) formula. Dex-Cool is designed for a service life of up to 5 years or 150,000 miles, whichever comes first. The cooling system capacity is generally in the range of 16-18 quarts, but this can vary depending on engine and cab configuration. Always consult your owner's manual for the precise capacity.

Intervals and Pitfalls: Replace Dex-Cool at the intervals specified in your owner's manual. Never mix Dex-Cool (OAT) with conventional coolants like HOAT or IAT types. Mixing different coolant chemistries can cause chemical reactions that lead to gel formation, corrosion, and severe damage to the cooling system components, including the radiator, water pump, and heater core. Always use distilled water if mixing concentrate, never tap water.

Transmission Fluid

The 2022 Chevrolet Silverado 1500 utilizes different transmission fluids depending on the specific transmission. Models equipped with the 8-speed automatic transmission typically use Dexron HP fluid. Vehicles with the 10-speed automatic transmission require Dexron ULV (Ultra Low Viscosity) fluid. It is critical to use the exact specified fluid for your transmission. Using the wrong fluid can lead to poor shift quality, premature wear, and transmission damage. Always verify the correct fluid type and capacity in your owner's manual or OEM service information, as capacities vary and fill procedures can be complex.

Intervals and Pitfalls: Transmission fluid is generally considered "lifetime" fill under normal driving conditions by GM, but for heavy-duty use (towing, hauling, extreme temperatures), more frequent changes are recommended. Many technicians suggest a fluid and filter change every 45,000 to 90,000 miles for optimal longevity. Never use "universal" ATF products. Always use the specified Dexron HP or Dexron ULV fluid.

Transfer Case Fluid

For 4WD and AWD 2022 Chevrolet Silverado 1500 models, the transfer case typically requires Autotrac II fluid, which is identifiable by its distinctive blue color. The OEM part number for Autotrac II is generally GM Part No. 88900402. Capacity is usually between 1.5 to 2.0 quarts. Always confirm the specific fluid and capacity for your vehicle in the owner's manual.

Intervals and Pitfalls: Transfer case fluid should be changed at the intervals recommended in your owner's manual, often around 50,000 miles, especially if you regularly engage 4WD or perform heavy towing. Using an incorrect fluid can lead to premature wear and failure of the transfer case.

Differential Fluid (Front & Rear)

Both the front and rear differentials on the 2022 Chevrolet Silverado 1500 generally specify SAE 75W-90 gear oil. For both open and locking differentials, the base gear oil often meets GM Part No. 88901235 or equivalent. For rear differentials equipped with a mechanical limited-slip differential (LSD), a friction modifier additive may be required in addition to the standard 75W-90 gear oil, or a fluid that already contains the necessary friction modifiers for LSD applications. Always check your specific axle code and owner's manual.

Capacities are approximately 1.5 to 2.0 quarts for the front differential and 2.5 to 3.0 quarts for the rear differential, but these can vary by axle size and configuration.

Intervals and Pitfalls: Differential fluid should be replaced according to the manufacturer's schedule, typically every 50,000 to 100,000 miles, or more frequently if the vehicle is used for heavy towing, off-roading, or operates in extreme conditions. Incorrect fluid or omitting the friction modifier for an LSD can cause chatter or premature wear.

Brake Fluid

The 2022 Chevrolet Silverado 1500 uses either DOT 3 or DOT 4 brake fluid. Both are glycol-ether based fluids, and DOT 4 has a higher wet and dry boiling point than DOT 3, offering greater resistance to brake fade under severe conditions. Always refer to your owner's manual to confirm the specific DOT rating required for your braking system. Never use DOT 5 (silicone-based) fluid, as it is incompatible with systems designed for DOT 3 or DOT 4 and can cause seal damage.

Intervals and Pitfalls: Brake fluid is hygroscopic, meaning it absorbs moisture over time, which lowers its boiling point and can lead to internal corrosion. It's generally recommended to flush and replace brake fluid every 2-3 years, regardless of mileage, or as specified in your owner's manual. Never mix different DOT fluid types unless explicitly stated as compatible by the manufacturer.

Power Steering Fluid

For the 2022 Chevrolet Silverado 1500, the power steering system typically uses Dexron VI Automatic Transmission Fluid. While technically an ATF, its properties are suitable for many modern power steering systems. Always confirm this in your owner's manual as some power steering systems may specify a dedicated power steering fluid, although this is less common on newer trucks.

Intervals and Pitfalls: Power steering fluid generally does not have a strict replacement interval but should be inspected periodically for contamination or low levels. If the fluid appears dark, has a burnt smell, or if there are signs of power steering pump whine or stiffness, a fluid flush may be beneficial. Using a fluid other than the specified Dexron VI can lead to pump damage or premature wear of steering components.

Washer Fluid

Any high-quality, all-season windshield washer fluid designed for automotive use is suitable. GM often recommends their GM Optikleen washer fluid or an equivalent all-season formula. These typically contain detergents to clean the windshield, along with anti-freeze agents to prevent freezing in cold weather. Capacity is usually around 1 gallon.

Intervals and Pitfalls: Top off as needed. Avoid using plain water, especially in freezing temperatures, as it can freeze and damage the washer fluid reservoir or lines. Some premium fluids also offer bug and tar removal properties.

Diesel Exhaust Fluid (DEF) - For 3.0L Duramax Diesel

For the 3.0L Duramax diesel engine, Diesel Exhaust Fluid (DEF) is required. DEF is an aqueous urea solution (32.5% high-purity urea and 67.5% deionized water) that meets the ISO 22241 standard. This standard ensures the purity and concentration necessary for the proper function of Selective Catalytic Reduction (SCR) systems to reduce NOx emissions. The DEF tank capacity for the 3.0L Duramax is approximately 7 gallons (26.5 liters).

Intervals and Pitfalls: The DEF tank should be refilled as indicated by the vehicle's DEF gauge and warning lights. Using anything other than ISO 22241 compliant DEF will damage the SCR system and can lead to costly repairs and potential vehicle derating. Never put DEF into the diesel fuel tank and vice-versa. Store DEF in a cool, dry place and be aware of its shelf life (typically 1-2 years). DEF can freeze at approximately 12°F (-11°C), but vehicles are equipped with heaters in the DEF tank and lines.

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