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2024 GMC Sierra 3500HD maintenance schedule

The 2024 Sierra 3500HD is part of the GMT T1XX generation (2020-2026), sold as a pickup. Below: its service intervals with the source behind each one, the fluids it takes, and the NHTSA recalls issued for it.

Service schedule

What the 2024 Sierra 3500HD needs, and when

1 of these 12 items comes from GMC's own published schedule. Manufacturer rows link to GMC's own schedule, Independent rows to a service shop or parts retailer's published guide.

ServiceIntervalSource
Engine oil and filter

Check OLM indicator

7,500 mi / 1 yearIndependent
Engine air filter

Diesel may require earlier replacement; 45,000 mi is a check cadence, not a confirmed replacement interval

Inspect, replace as neededIndependent
Cabin air filter

Replace more frequently in dusty environments

22,500 mi / 2 yearsIndependent
Tire rotation

Check tread wear and balance

7,500 mi / 1 yearIndependent
Brake fluid60,000 mi / 5 yearsIndependent
Engine coolant

DEX-COOL drain and replenish

150,000 mi / 5 yearsIndependent
Transmission fluid

Severe duty towing interval

45,000 miIndependent
Spark plugs (Gas)97,500 miIndependent
Serpentine belt

Inspect accessory drive belts

150,000 mi / 10 yearsIndependent
Differential and transfer case fluid

For 4WD models

45,000 miIndependent
PCV valve (Gas)Inspect, replace as neededManufacturer
12V battery

Test cold-cranking amps annually

Inspect, replace as neededIndependent

Intervals are for normal driving; towing, short trips, extreme heat or dust shorten them. Services we could not find an interval for are left off rather than guessed.

Fluids and engines

What goes in it

Engine oil
5W-30 / 15W-40
Coolant
DEX-COOL
Transmission fluid
DEXRON ULV

Powertrains in this generation

  • 6.6L 8-cyl (L8T), 401 hp, 6-Speed/10-Speed, RWD/4WD
  • 6.6L 8-cyl diesel (L5P), 445 hp, 10-Speed Allison, RWD/4WD

Confirm the exact spec against the owner's manual or the label under the hood; capacities vary by engine and drivetrain.

Safety recalls

3 NHTSA recalls for the 2024 GMC Sierra 3500HD

From NHTSA's recall database, matched by model and year. Recall repairs are free at GMC dealers, and a given car may already be fixed or fall outside a campaign, so check the VIN at nhtsa.gov/recalls before you buy.

Latches/locks/linkages

NHTSA 24V894000

November 2024

General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado HD 2500, 3500, and GMC Sierra HD 2500, 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle is in Park.

Remedy: Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed December 17, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N242469160. This recall is an expansion of NHTSA Recall 24V-060.

Latches/locks/linkages

NHTSA 24V060000

February 2024

General Motors, LLC (GM) is recalling certain 2020-2024 Chevrolet Silverado 2500, 3500, GMC Sierra 2500 and 3500 vehicles equipped with power-unlatching tailgates. The tailgate's electronic gate-release switch may short circuit due to water intrusion, which can result in the tailgate inadvertently unlatching while the vehicle is in park.

Remedy: Owners are advised to check that the tailgate is closed and latched before driving. Dealers will replace the exterior touchpad switch assemblies, free of charge. Owner notification letters were mailed May 17, 2024. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N232426400.

Steering

NHTSA 23V549000

August 2023

General Motors, LLC (GM) is recalling certain 2024 Chevrolet Silverado 2500, 3500, and GMC Sierra 2500, 3500 vehicles. The steering gear shaft may fracture and disconnect from the steering arm.

Remedy: Dealers will inspect and replace the steering gear, if necessary, free of charge. Owner notification letters were mailed September 22, 2023. Owners may contact Chevrolet customer service at 1-800-222-1020 or GMC customer service at 1-800-462-8782. GM's number for this recall is N232414720.

Running costs

What maintenance typically costs

A typical year of maintenance
$912
Five years of maintenance
$4,560
The major service near 100,000 mi
$1,500

Typical US independent-shop estimates for this generation; they vary by region and condition.

Other Sierra 3500HD model years

GMT T1XX (2020-2026)

2020202120222023202420252026

GMT K2XX (2015-2019)

20152016201720182019

GMT900 (2014-2014)

2014

Shopping new? The GMC Sierra 3500HD guide covers the current model, with what it costs to keep for 1 to 15 years.

Sources

Researched 2026-09-19. Modeling, not mechanic advice - always confirm against your car's owner's manual and service records.

Running a Sierra 3500HD for income?

Carlyle scores the exact listing on cost per remaining mile and projected Turo income, so you know what a 2024 Sierra 3500HD earns before you buy it.

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