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Chevrolet Blazer

Maintenance specs for 8 variants of the Chevrolet Blazer — from 1985 to 2026.

19851994 Chevrolet Blazer

4.3L V6 (LB4) · 4WD

160 hp / 230 lb-ft

Engine Oil

Weight5W-30
Capacity4.5 qt
FilterPF35

Transmission

Type4-Speed Automatic (700R4)
FluidDexron III
Drain & fill5 qt
Full capacity10 qt

Coolant

TypeConventional Green
Capacity12 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

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

Tires

Size235/75R15
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 235/75R15 tires

Battery

Group size78
CCA690 A
Shop group 78 battery

Spark Plugs

Gap0.035 in
Shop spark plugs

Wiper Blades

Driver18"
Passenger18"
Shop wiper blades

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

19851994 Chevrolet Blazer

5.7L V8 (L05) · 4WD

210 hp / 300 lb-ft

Engine Oil

Weight5W-30
Capacity5 qt
FilterPF35

Transmission

Type4-Speed Automatic (700R4)
FluidDexron III
Drain & fill5 qt
Full capacity10 qt

Coolant

TypeConventional Green
Capacity18 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

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

Tires

Size235/75R15
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 235/75R15 tires

Battery

Group size78
CCA770 A
Shop group 78 battery

Spark Plugs

Gap0.035 in
Shop spark plugs

Wiper Blades

Driver18"
Passenger18"
Shop wiper blades

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

19952005 Chevrolet Blazer

4.3L V6 Vortec (L35) · RWD

190 hp / 250 lb-ft

Engine Oil

Weight5W-30
Capacity4.5 qt
FilterPF47

Transmission

Type4-Speed Automatic (4L60-E)
FluidDexron III
Drain & fill5 qt
Full capacity10 qt

Coolant

TypeDex-Cool (orange)
Capacity12 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeHydraulic
FluidGM Power Steering Fluid

Differentials

Rear fluid80W-90 GL-5

Fuel

Tank19 gal
TypeRegular 87

Tires

Size235/70R15
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 235/70R15 tires

Battery

Group size75
CCA690 A
Shop group 75 battery

Spark Plugs

Gap0.06 in
Shop spark plugs

Wiper Blades

Driver20"
Passenger20"
Rear14"
Shop wiper blades

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

19952005 Chevrolet Blazer

4.3L V6 Vortec (L35) · 4WD

190 hp / 250 lb-ft

Engine Oil

Weight5W-30
Capacity4.5 qt
FilterPF47

Transmission

Type4-Speed Automatic (4L60-E)
FluidDexron III
Drain & fill5 qt
Full capacity10 qt

Coolant

TypeDex-Cool (orange)
Capacity12 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

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

Tires

Size235/70R15
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 235/70R15 tires

Battery

Group size75
CCA690 A
Shop group 75 battery

Spark Plugs

Gap0.06 in
Shop spark plugs

Wiper Blades

Driver20"
Passenger20"
Rear14"
Shop wiper blades

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

20192023 Chevrolet Blazer

2.5L I4 (LCV (Ecotec)) · FWD

193 hp / 188 lb-ft

Engine Oil

Weight0W-20
Capacity5 qt
FilterPF64

Transmission

Type9-Speed Automatic (9T50)
FluidDexron HP
Drain & fill5 qt
Full capacity9.2 qt

Coolant

TypeDex-Cool (orange)
Capacity8.7 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric (no fluid)

Fuel

Tank15.8 gal
TypeRegular 87

Tires

Size235/65R17
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 235/65R17 tires

Battery

Group size48
CCA650 A
Shop group 48 battery

Spark Plugs

Gap0.028 in
Shop spark plugs

Wiper Blades

Driver26"
Passenger18"
Shop wiper blades

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

20192026 Chevrolet Blazer

3.6L V6 (LGX) · FWD

308 hp / 270 lb-ft

Engine Oil

Weight5W-30
Capacity6 qt
FilterPF48

Transmission

Type9-Speed Automatic (9T65)
FluidDexron HP
Drain & fill5.5 qt
Full capacity10 qt

Coolant

TypeDex-Cool (orange)
Capacity10.6 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric (no fluid)

Fuel

Tank15.8 gal
TypeRegular 87

Tires

Size235/55R20
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 235/55R20 tires

Battery

Group size48
CCA650 A
Shop group 48 battery

Spark Plugs

Gap0.043 in
Shop spark plugs

Wiper Blades

Driver26"
Passenger18"
Shop wiper blades

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

20192026 Chevrolet Blazer

3.6L V6 (LGX) · AWD

308 hp / 270 lb-ft

Engine Oil

Weight5W-30
Capacity6 qt
FilterPF48

Transmission

Type9-Speed Automatic (9T65)
FluidDexron HP
Drain & fill5.5 qt
Full capacity10 qt

Coolant

TypeDex-Cool (orange)
Capacity10.6 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric (no fluid)

Differentials

Rear fluid75W-90 Synthetic GL-5

Fuel

Tank15.8 gal
TypeRegular 87

Tires

Size235/55R20
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 235/55R20 tires

Battery

Group size48
CCA650 A
Shop group 48 battery

Spark Plugs

Gap0.043 in
Shop spark plugs

Wiper Blades

Driver26"
Passenger18"
Shop wiper blades

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

20232026 Chevrolet Blazer

2.0L Turbo I4 (LSY (Ecotec)) · FWD

228 hp / 258 lb-ft

Engine Oil

Weight0W-20
Capacity5 qt
FilterPF66

Transmission

Type9-Speed Automatic (9T50)
FluidDexron HP
Drain & fill5 qt
Full capacity9.2 qt

Coolant

TypeDex-Cool (orange)
Capacity8.7 qt
Shop coolant

Brake Fluid

TypeDOT 3
Shop DOT 3

Power Steering

TypeElectric (no fluid)

Fuel

Tank15.8 gal
TypeRegular 87

Tires

Size235/55R20
Pressure (front)35 PSI
Pressure (rear)35 PSI
Shop 235/55R20 tires

Battery

Group size48
CCA650 A
Shop group 48 battery

Spark Plugs

Gap0.028 in
Shop spark plugs

Wiper Blades

Driver26"
Passenger18"
Shop wiper blades

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