Engine Coolant
50/50 mixture of clean, drinkable water and use only DEX-COOL Coolant. See Cooling System 0 191.
Applies to: Engine Coolant
Owner’s manual specs
2021 Chevrolet Express Specs: Oil Capacity, Fluids, Maintenance Schedule & Fuse Box
Figures for the 2021 Chevrolet Express, 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.
Fluids & capacities
All engines
Engine Cooling System with Rear Heat*
13.1 qt
Applies to: 12.4 L
Engine Cooling System without Rear Heat*
10.7 qt
Applies to: 10.1 L
Engine Oil
Engine oil meeting the dexos1 specification of the proper SAE viscosity grade. ACDelco dexos1 full synthetic is recommended. See Engine Oil 0 184.
Applies to: Engine Oil
5.7L
Engine Oil with Filter
6 qt
Applies to: 5.7 L · with filter
Maintenance schedule
Normal service schedule
Use this for ordinary driving.
| Service | When |
|---|---|
| Replace engine air cleaner filter. (2) | Every 45,000 mi(72,000 km) |
| Rotate tires and perform Required Services. Check engine oil level and oil life percentage. Change engine oil and filter, if needed. Lubricate the steering linkage. | 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 |
|---|---|
| Change automatic transmission fluid and filter. | Every 45,000 mi(72,000 km) |
| Replace engine air cleaner filter. (2) | Every 45,000 mi(72,000 km) |
| Rotate tires and perform Required Services. Check engine oil level and oil life percentage. Change engine oil and filter, if needed. Lubricate the steering linkage. | 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.
- with the engine off, before checking the transmission fluid level if the vehicle has been driven: .
Steps
- Display the OIL LIFE REMAINING on the DIC. See Driver Information Center (DIC) 0 81.
- Press and hold V on the DIC while the Oil Life display is active. The oil life will change to 100%.
You’ll know it worked: The oil life will change to 100%.
Too much or too little fluid can damage the transmission.
Fuse box locations & fuse chart
Engine Compartment Fuse Block
Where to find it
Engine Compartment Fuse Block The fuse block is in the engine compartment on the driver side of the vehicle.
What each fuse protects
| Fuse | Amps | Protects | Source |
|---|---|---|---|
| 2 | — | ABS module | p.207 |
| 3 | — | Right trailer stoplamp/ Turn signal lamp | p.207 |
| 6 | — | Fuel system control module/Ignition | p.207 |
| 7 | — | Body control module 5 | p.207 |
| 8 | — | Body control module 7 | p.207 |
| 9 | — | Body control module 4 | p.207 |
| 10 | — | Instrument cluster | p.207 |
| 11 | — | Trailer wiring | p.207 |
| 13 | — | Interior rear vision camera module | p.207 |
| 14 | — | Windshield washer | p.207 |
| 15 | — | Run/Crank | p.209 |
| 16 | — | Horn | p.207 |
| 18 | — | A/C | p.208 |
| 19 | — | Engine control module battery | p.208 |
| 20 | — | Left stop/turn cutaway lamp | p.208 |
| 21 | — | Left stop/turn trailer lamp | p.208 |
| 22 | — | Right stop/turn cutaway lamp | p.208 |
| 23 | — | NOX Sensor (Diesel only) | p.208 |
| 24 | — | Fuel pump | p.208 |
| 25 | — | Auxiliary power outlet | p.208 |
| 26 | — | Body control module 3 | p.208 |
| 27 | — | Special equipment option | p.208 |
| 28 | — | Airbag | p.208 |
| 29 | — | Steering wheel sensor | p.208 |
| 30 | — | Engine control module ignition | p.208 |
| 32 | — | Transmission control module 1 battery | p.208 |
| 33 | — | Rear parking aid module | p.208 |
| 34 | — | NOX Sensor (Diesel only) | p.208 |
| 35 | — | Fuel heater control module (Diesel only) | p.208 |
| 36 | — | Fuel system control module battery | p.208 |
| 37 | — | NOX Sensor (Diesel only) | p.209 |
| 38 | — | Fuel pump | p.209 |
| 39 | — | Crank | p.209 |
| 40 | — | A/C compressor | p.209 |
| 41 | — | Transmission control module 2, battery signal | p.208 |
| 42 | — | Trailer wiring | p.208 |
| 43 | — | Electro viscous fan clutch (Diesel only) | p.208 |
| 44 | — | Starter solenoid | p.208 |
| 45 | — | Engine control module, powertrain signal 2 | p.208 |
| 46 | — | DC-AC inverter | p.208 |
| 48 | — | Electro viscous fan clutch (Diesel only) | p.209 |
| 49 | — | Powertrain | p.209 |
| 52 | — | Right high-beam headlamp | p.208 |
| 53 | — | Left low-beam headlamp | p.208 |
| 54 | — | Right low-beam headlamp | p.208 |
| 55 | — | Wipers | p.208 |
| 56 | — | Canister vent solenoid | p.208 |
| 58 | — | Body control module 2 | p.208 |
| 59 | — | Body control module 1 | p.208 |
| 61 | — | Engine oil solenoid/ Crankcase vent heater (Diesel only) | p.208 |
| 62 | — | O2 sensor 2 | p.208 |
| 64 | — | Mass airflow/ Canister vent | p.208 |
| 65 | — | Ignition coils/injectors - odd | p.208 |
| 66 | — | Daytime running lamps 2 | p.208 |
| 68 | — | Auxiliary stoplamps | p.209 |
| 69 | — | External power for trailer | p.209 |
| 70 | — | Upfitter stoplamps | p.209 |
| 71 | — | Fuel heater/FlexFuel sensor | p.209 |
| 72 | — | Body control module 6 | p.209 |
| 73 | — | Lighter/Data link connector | p.209 |
| 74 | — | Front blower | p.209 |
| 75 | — | Engine control module | p.209 |
| 76 | — | Soot sensors (Diesel only) | p.209 |
| 77 | — | O2 sensor 1 | p.209 |
| 78 | — | Engine control module/ Powertrain signal 1 | p.209 |
| 79 | — | Ignition coils/injectors - even | p.209 |
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.
Other Chevrolet Express years
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