1996 GMC Sonoma Owner's Manual - Page 288

Replacement Bulbs Lamps Sealed Beam Halogen Headlamps Composite Low-Beam Halogen Headlamps Composite High-Beam Halogen Headlamps Tail and Stoplamps Quantity 2 Number 2E 1 9006 HB4 Lamps Front Sidemarker Lamps Front Turn Signal Lamps Center High-Mounted Stoplamp Underhood Lamp Visor Vanity Mirror Lamps Quantity 2 2 Number I94 3 157NA 2 2 2 577 93 74 9005 HB3 3057 Capacities and Specifications Engine Type VTN Code Firing Order Horsepower (T Series) Horsepower (S Series) Thermostat Specification Spark Plug Gap 2.2L L4 4 1-3-4-2 118 at 5.200 rpm 118 at 5,200 rpn1 195°F (91 "C) 0.045 inches (0.1 14 cm) 4.3L V6 4.3L V6 W X 1-6-5-4-3-2 180 at 4,400 rpm 170 at 4,400 rpm 195°F (91 "C) 0.045 inches (0.114 cm) 1-6-5-4-3-2 190 at 4,400 rpm I80 at 4,400 rpm 195°F (91°C) 0.045 inches (0.1 14'cm) 6-66