2003-2024 Chevrolet Express Fluid Specs
4.3L V6 - 16 fluid systems
Brake Fluid
ACDelco DOT 4 Brake Fluid
GM 88862806
Change: every 30,000 mi
Brake Fluid
ACDelco DOT 4 Brake Fluid
GM 88862806
Change: every 30,000 mi
Coolant
ACDelco DEX-COOL (Orange)
GM 12346290 / OAT
16 qt / 15.14 L
Change: every 100,000 mi
Coolant
ACDelco DEX-COOL (Orange)
GM 12346290 / OAT
16 qt / 15.14 L
Change: every 100,000 mi
Engine Oil
ACDelco dexos1 5W-30
GM dexos1 Gen 2 / API SN
7.5 qt / 7.1 L
Change: every 5,000 mi
Engine Oil
ACDelco dexos1 5W-30
GM dexos1 Gen 2 / API SN
7.5 qt / 7.1 L
Change: every 5,000 mi
Front Differential
75W-90 GL-5 Gear Oil
API GL-5
1.5 qt / 1.42 L
Change: every 60,000 mi
Power Steering
ACDelco Power Steering Fluid
GM 89021184
1 qt / 0.95 L
Change: every 75,000 mi
Power Steering
ACDelco Power Steering Fluid
GM 89021184
1 qt / 0.95 L
Change: every 75,000 mi
Rear Differential
ACDelco 75W-90 Synthetic Gear Oil
GM 88900401 / GL-5
2 qt / 1.89 L
Change: every 60,000 mi
Rear Differential
ACDelco 75W-90 Synthetic Gear Oil
GM 88900401 / GL-5
2 qt / 1.89 L
Change: every 60,000 mi
Transfer Case
ACDelco Auto-Trak II
GM 88900402
2.5 qt / 2.37 L
Change: every 60,000 mi
Automatic Transmission
ACDelco Dexron VI ATF
GM Dexron VI / 88861001
11.5 qt / 10.88 L
Change: every 60,000 mi
Automatic Transmission
ACDelco Dexron VI ATF
GM Dexron VI / 88861001
11.5 qt / 10.88 L
Change: every 60,000 mi
Washer Fluid
Windshield Washer Fluid
All-season or winter-rated
3.5 qt / 3.31 L
Washer Fluid
Windshield Washer Fluid
All-season or winter-rated
3.5 qt / 3.31 L