2005 GMC Envoy Owner's Manual - Page 436

Application Engine Oil with Filter 4200 L6 5300 V8 Fuel Tank Standard Wheel Base Extended Wheel Base Transmission (Drain and Refill) Wheel Nut Torque Capacities English Metric 7.0 qt 6.0 qt 6.6 L 5.7 L 21.7 gal 25.0 gal 5.0 qt 100 ft lb 82.2 L 95.8 L 4.7 L 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 VORTEC™ 4200 L6 VORTEC™ 5300 V8 VIN Code S M Transmission Automatic Automatic Spark Plug Gap 0.042 inches (1.07 mm) 0.040 inches (1.01 mm) 5-104