GMC Syclone
Maintenance specs for 1 variant of the GMC Syclone — from 1991 to 1991.
1991–1991 GMC Syclone
4.3L Turbo V6 (LB4) · AWD
280 hp / 350 lb-ft
Transmission
Type4-Speed Automatic (4L60)
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
Tank20 gal
TypePremium 91
Service Intervals
Oil change3,000 mi
Trans service30,000 mi
Coolant flush30,000 mi
Spark plugs100,000 mi
Timingchain (no scheduled replacement)
Air filter45,000 mi
Drive belt100,000 mi