2022 GMC Sierra 1500 Factory Maintenance Schedule

As an ASE-certified master technician, I’ve seen firsthand what happens when truck owners ignore routine maintenance—and what happens when they follow it to the letter. The 2022 GMC Sierra 1500 is a robust, highly capable half-ton truck, whether equipped with the 2.7L Turbo, the classic 5.3L or 6.2L V8s, or the 3.0L Duramax diesel. To keep your Sierra hauling, towing, and commuting reliably for hundreds of thousands of miles, you need to stick to the manufacturer-specified intervals.

Below is the definitive factory-spec maintenance guide for the 2022 GMC Sierra 1500. Note that modern GM vehicles use an Oil Life Monitor (OLM) system, which calculates oil degradation based on driving conditions. However, the mileage intervals below provide a solid baseline for when to expect these services.

Quick reference

Note: Always consult your owner's manual for engine-specific variations (e.g., diesel fuel filters vs. gas models).

Severe-duty schedule

If you use your 2022 GMC Sierra for frequent towing, hauling heavy payloads, off-roading, extended idling, or short trips in freezing climates, you fall under the "severe-duty" category.

Under severe conditions, fluid degradation accelerates exponentially due to excess heat and moisture buildup.

• Oil Changes: The OLM will adapt, but expect to change your oil every 3,000 to 5,000 miles.
• Transmission & Transfer Case: The 10-speed automatic transmission works overtime when towing. You must service the transmission and transfer case fluids at 45,000 miles instead of 97,500.
• Air Filters: Dusty job sites will clog your engine and cabin air filters rapidly. Inspect these every 10,000 miles and replace as necessary.
• Differentials: Change differential fluids every 45,000 miles if you are frequently towing or submerging the axles in water/mud.

Known issues by mileage

The T1XX generation of the GMC Sierra is generally reliable, but technicians have noted a few trends as the miles rack up:

• 10,000 - 30,000 miles: Infotainment glitches and electrical gremlins are occasionally reported. These are usually resolved via Over-The-Air (OTA) software updates or dealer module flashes.
• 40,000 - 60,000 miles: On 5.3L and 6.2L V8 models, Dynamic Fuel Management (DFM) lifter issues can occasionally surface, particularly if oil changes have been stretched too long. Strict adherence to clean, high-quality synthetic oil is your best defense.
• 80,000 - 100,000 miles: 10-speed transmission shudder or harsh shifting can occur. This is almost always due to degraded fluid. If you skipped the 45k or 97.5k transmission service, this is when the symptoms will appear.
• 120,000+ miles: Water pumps on the V8s may begin to seep from the weep hole. Suspension components (struts, tie rods, ball joints) will show natural wear and require replacement to maintain alignment.

Estimated cost per service

Prices vary based on your region, engine type (gas vs. diesel), and shop rates.

• Standard Oil Change & Rotation: $80 - $130 (Synthetic oil is mandatory).
• Cabin & Engine Air Filters: $50 - $90 (Parts and labor).
• Diesel Fuel Filter (3.0L Duramax): $100 - $150.
• Brake Fluid Flush: $120 - $170.
• Transmission Service (Fluid and filter): $300 - $450.
• Spark Plug Replacement: $250 - $400 (V8 models require more labor).
• Coolant Flush: $150 - $200.
• Differential/Transfer Case Service: $150 - $250 per unit.

What you can DIY vs shop

What you can DIY: The 2022 GMC Sierra is still relatively friendly for the driveway mechanic when it comes to basic maintenance. Oil changes are straightforward (though the V8 skid plates can be a minor annoyance). Swapping out the engine and cabin air filters takes less than 15 minutes and requires no special tools. For Duramax owners, replacing the fuel filter is also a manageable DIY job with basic hand tools.

When to hit the shop: Leave the 10-speed transmission fluid exchanges to the pros. These transmissions are highly sensitive to fluid levels and require specific temperature-monitoring procedures using a bidirectional scan tool to get the level exactly right. Similarly, brake fluid flushes require ABS module bleeding to ensure no air is trapped in the complex braking system. Coolant flushes and spark plug replacements (especially on the passenger side near the firewall) are also best left to a well-equipped shop to avoid broken plugs or air pockets in the cooling system.

Don't let your Sierra fall behind on its maintenance. Keep your truck running strong and protect your investment by booking with a certified professional.

Book service on Repairius.