Chevrolet Blazer
Maintenance specs for 8 variants of the Chevrolet Blazer — from 1985 to 2026.
1985–1994 Chevrolet Blazer
4.3L V6 (LB4) · 4WD
160 hp / 230 lb-ft
Transmission
Type4-Speed Automatic (700R4)
FluidDexron III
Drain & fill5 qt
Full capacity10 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Front fluid80W-90 GL-5
Rear fluid80W-90 GL-5
Transfer Case
FluidDexron III
Fuel
Tank25 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi
1985–1994 Chevrolet Blazer
5.7L V8 (L05) · 4WD
210 hp / 300 lb-ft
Transmission
Type4-Speed Automatic (700R4)
FluidDexron III
Drain & fill5 qt
Full capacity10 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Front fluid80W-90 GL-5
Rear fluid80W-90 GL-5
Transfer Case
FluidDexron III
Fuel
Tank25 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi
1995–2005 Chevrolet Blazer
4.3L V6 Vortec (L35) · RWD
190 hp / 250 lb-ft
Transmission
Type4-Speed Automatic (4L60-E)
FluidDexron III
Drain & fill5 qt
Full capacity10 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Rear fluid80W-90 GL-5
Fuel
Tank19 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi
1995–2005 Chevrolet Blazer
4.3L V6 Vortec (L35) · 4WD
190 hp / 250 lb-ft
Transmission
Type4-Speed Automatic (4L60-E)
FluidDexron III
Drain & fill5 qt
Full capacity10 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Front fluid80W-90 GL-5
Rear fluid80W-90 GL-5
Transfer Case
FluidAuto-Trak II
Fuel
Tank19 gal
TypeRegular 87
Service Intervals
Oil change3,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter30,000 mi
Drive belt60,000 mi
2019–2023 Chevrolet Blazer
2.5L I4 (LCV (Ecotec)) · FWD
193 hp / 188 lb-ft
Transmission
Type9-Speed Automatic (9T50)
FluidDexron HP
Drain & fill5 qt
Full capacity9.2 qt
Power Steering
TypeElectric (no fluid)
Fuel
Tank15.8 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi
2019–2026 Chevrolet Blazer
3.6L V6 (LGX) · FWD
308 hp / 270 lb-ft
Transmission
Type9-Speed Automatic (9T65)
FluidDexron HP
Drain & fill5.5 qt
Full capacity10 qt
Power Steering
TypeElectric (no fluid)
Fuel
Tank15.8 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi
2019–2026 Chevrolet Blazer
3.6L V6 (LGX) · AWD
308 hp / 270 lb-ft
Transmission
Type9-Speed Automatic (9T65)
FluidDexron HP
Drain & fill5.5 qt
Full capacity10 qt
Power Steering
TypeElectric (no fluid)
Differentials
Rear fluid75W-90 Synthetic GL-5
Fuel
Tank15.8 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi
2023–2026 Chevrolet Blazer
2.0L Turbo I4 (LSY (Ecotec)) · FWD
228 hp / 258 lb-ft
Transmission
Type9-Speed Automatic (9T50)
FluidDexron HP
Drain & fill5 qt
Full capacity9.2 qt
Power Steering
TypeElectric (no fluid)
Fuel
Tank15.8 gal
TypeRegular 87
Service Intervals
Oil change7,500 mi
Trans service45,000 mi
Coolant flush150,000 mi
Spark plugs60,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Cabin filter22,500 mi
Drive belt100,000 mi