Automatic Transmission
DEXRON-VI Automatic Transmission Fluid.
Applies to: Automatic Transmission
Owner’s manual specs
2021 Chevrolet Blazer Specs: Oil Capacity, Fluids, Maintenance Schedule & Fuse Box
Figures for the 2021 Chevrolet Blazer, copied from Chevrolet’s own owner’s manual. Every one links to the manual page it came from.
From the manufacturer’s manuals. Every figure here is copied from the manufacturer's own manual, with a link to the page it came from. Where a manual is unclear or contradicts itself, we leave the figure out.
Engines in this manual: 5.0L, 9.0L. Figures that differ by engine say which engine they are for.
Fluids & capacities
All engines
Engine Coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System 0 267.
Applies to: Engine Coolant
Engine Oil
Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil 0 262.
Applies to: Engine Oil
5.0L
Engine Oil with Filter
5.3 qt
Applies to: 5.0 L · with filter
9.0L
Engine Cooling System*
9.5 qt
Applies to: 9.0 L
Maintenance schedule
Normal service schedule
Use this for ordinary driving.
| Service | When |
|---|---|
| Replace passenger compartment air filter. (2) | Every 22,500 mi(36,000 km) |
| Rotate tires and perform Required Services. Check engine oil level and oil life percentage. Change engine oil and filter, if needed. Check engine air filter life percentage and status. Change engine air filter, if needed. (1) | Every 7,500 mi(12,000 km) |
Severe service schedule
Use this if you tow, idle a lot, drive short trips in the cold, or run in dust.
| Service | When |
|---|---|
| Replace passenger compartment air filter. (2) | Every 22,500 mi(36,000 km) |
| Rotate tires and perform Required Services. Check engine oil level and oil life percentage. Change engine oil and filter, if needed. Check engine air filter life percentage and status. Change engine air filter, if needed. (1) | Every 7,500 mi(12,000 km) |
Oil life & reset procedures
Engine oil life system reset
Before you start
- Reset the system whenever the engine oil is changed so that the system can calculate the next engine oil change.
Steps
- Display the REMAINING OIL LIFE on the DIC. See Driver Information Center (DIC) (Base and Midlevel) 0 107 or Driver Information Center (DIC) (Uplevel) 0 110. 2. Press and hold the thumbwheel on the DIC while the Oil Life display is active. 3. Confirm yes, and the oil life will change to 100%.
- Display the Air Filter Life on the DIC. See Driver Information Center (DIC) (Base and Midlevel) 0 107 or Driver Information Center (DIC) (Uplevel) 0 110.
- Press T to move to the Reset/Disable display area. Select Reset then press the thumbwheel. 4. Press the thumbwheel to confirm the reset.
You’ll know it worked: Confirm yes, and the oil life will change to 100%.
Use of the incorrect automatic transmission fluid may damage the vehicle, and the damage may not be covered by the vehicle warranty.
Fuse box locations & fuse chart
Engine Compartment Fuse Block
Where to find it
Engine Compartment Fuse Block The underhood fuse block is in the engine compartment, on the driver side of the vehicle.
Diagrams in the manual
Instrument Panel Fuse Block
Where to find it
Instrument Panel Fuse Block The instrument panel fuse block is inside the center console on the passenger side of the vehicle.
Remove the fuse access door by inserting a coin or tool into the slot of the access door.
Diagrams in the manual
Rear Compartment Fuse Block
Where to find it
Rear Compartment Fuse Block The rear compartment fuse block is behind a trim cover on the driver side of the rear storage compartment.
Remove the trim cover to access the fuse block or visit your dealer.
Diagrams in the manual
More fuse pages in the manual
Diagrams and printed legends we can’t host. Check the box name printed on a diagram before counting positions.