GMC Suburban
Maintenance specs for 6 variants of the GMC Suburban — from 1985 to 1999.
1985–1991 GMC Suburban
5.7L V8 (L05) · RWD
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
Rear fluid80W-90 GL-5
Fuel
Tank42 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Drive belt100,000 mi
1985–1991 GMC Suburban
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 ATF
Fuel
Tank42 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush30,000 mi
Spark plugs30,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Drive belt100,000 mi
1985–1999 GMC Suburban
6.5L Turbo Diesel V8 (L56/L65) · RWD
180 hp / 360 lb-ft
Transmission
Type4-Speed Automatic (4L80-E)
FluidDexron III
Drain & fill5 qt
Full capacity13 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Rear fluid80W-90 GL-5
Fuel
Tank42 gal
TypeDiesel
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush30,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Drive belt100,000 mi
1992–1999 GMC Suburban
5.7L V8 Vortec (L31) · RWD
255 hp / 330 lb-ft
Transmission
Type4-Speed Automatic (4L60-E)
FluidDexron III
Drain & fill5 qt
Full capacity11.2 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Rear fluid80W-90 GL-5
Fuel
Tank42 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Drive belt100,000 mi
1992–1999 GMC Suburban
5.7L V8 Vortec (L31) · 4WD
255 hp / 330 lb-ft
Transmission
Type4-Speed Automatic (4L60-E)
FluidDexron III
Drain & fill5 qt
Full capacity11.2 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
Tank42 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Drive belt100,000 mi
1992–1999 GMC Suburban
7.4L V8 (L29) · RWD
290 hp / 410 lb-ft
Transmission
Type4-Speed Automatic (4L80-E)
FluidDexron III
Drain & fill5 qt
Full capacity13 qt
Power Steering
TypeHydraulic
FluidGM Power Steering Fluid
Differentials
Rear fluid80W-90 GL-5
Fuel
Tank42 gal
TypeRegular 87
Service Intervals
Oil change5,000 mi
Trans service50,000 mi
Coolant flush150,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Drive belt100,000 mi