1997 GMC Suburban Owner's Manual - Page 351

Capacities and Specifications Please refer to "Recommended Fluids and Lubricants" in the Index for more information. Wheels and Tires MODEL TORQUE 140 lb-ft c 1500 (1 90 Nem) 140 lb-ft 6 bolts (14 mm) K 1500, ( 190 N-m) C-K 2500 140 lb-ft 8 bolts (14 mm) C-K 2500 ( 190 N-m) Tire Pressure See the Certification/Tire label on the rear edge of the driver's door or the incomplete vehicle document in the cab. DESCRIPTION 5 bolts (14 mm) Engine Identification -- Gasoline Engines Engine Type RPO Code VIN Code Fuel System "VORTEC" "VORTEC" 5700 V8 L3 I R SFI* 7400 V8 L29 J SF14' *Sequential Fuel Injection 6-69