GMC 2008 Envoy - Manual (Page 415)

Application
Capacities
English Metric
Fuel Tank 22.0 gal 83.3 L
Transfer Case Lubricant 2.0 qt 1.8 L
Transmission (Drain and Refill) 5.0 qt 4.7 L
Wheel Nut Torque 100 lb ft 140 Y
All capacities are approximate. When adding, be sure to fill to the appropriate level, as recommended in this
manual. Recheck the fluid level after filling.
Engine Specifications
Engine VIN Code Transmission Spark Plug Gap
4.2L L6 S Automatic 0.040 inches (1.01 mm)
5.3L V8 M Automatic 0.040 inches (1.01 mm)
5-121