Common Specs & Procedures Index

SILVERADO 1500 COMMON SPECS & PROCEDURES

System		Specification/Procedure
Air Conditioning
Service		APPROXIMATE FLUID CAPACITIES
Torque		Automatic System FASTENER SPECIFICATIONS Manual System FASTENER SPECIFICATIONS
Axle Nut/Hub Nut
Front Wheel Drive Shaft to Front Hub Nut		First Pass: 180 N.m (133 lb ft) Second Pass: Reverse 45 degrees Final Pass: 270 N.m (199 lb ft)
Battery R & I
2.7L, 3.0L, 4.3L, 5.3L & 6.2L		BATTERY REPLACEMENT (L3B) BATTERY REPLACEMENT (LM2) BATTERY REPLACEMENT (L82, L84, L87, LV3)
Brakes
Bleeding Sequence		RR, LR, RF, LF. See HYDRAULIC BRAKE SYSTEM BLEEDING
Disc Brakes
	Service Specifications	DISC BRAKE COMPONENT SPECIFICATIONS
	Torque	FASTENER SPECIFICATIONS
Charging
Generator R & I
	2.7L	STARTER REPLACEMENT (L3B)
	3.0L	STARTER REPLACEMENT (LM2)
	4.3L	STARTER REPLACEMENT (LV3)
	5.3L & 6.2L	STARTER REPLACEMENT (L82, L84, L87)
Torque		FASTENER SPECIFICATIONS
Drive Belts
Adjustment		Serpentine Drive Belt Is Not Adjustable.
Drive Belt Routing
	2.7L	See illustration under ACCESSORY DRIVE PRIMARY BELT REPLACEMENT
	3.0L	See illustration under ACCESSORY DRIVE PRIMARY BELT REPLACEMENT
	4.3L	See illustration under ACCESSORY DRIVE AUXILIARY BELT REPLACEMENT and ACCESSORY DRIVE PRIMARY BELT REPLACEMENT
	5.3L & 6.2L	See illustration under ACCESSORY DRIVE PRIMARY BELT REPLACEMENT and ACCESSORY DRIVE AUXILIARY BELT REPLACEMENT (AIR CONDITIONING COMPRESSOR)
Engine Cooling
General Service Specifications		APPROXIMATE FLUID CAPACITIES
	Radiator Cap Pressure	Pressure Specification is Stamped on Radiator Cap
	Thermostat R & I
	2.7L	ENGINE COOLANT THERMOSTAT HOUSING INLET PIPE REPLACEMENT (L3B)
	3.0L	ENGINE COOLANT FLOW CONTROL VALVE REPLACEMENT (LM2)
	4.3L, 5.3L & 6.2L	WATER PUMP INLET REPLACEMENT (LV3, L82, L84, L87)
	Water Pump R & I
	2.7L	ELECTRIC ENGINE COOLANT PUMP REPLACEMENT ELECTRIC WATER PUMP REPLACEMENT
	3.0L	WATER PUMP REPLACEMENT (LM2)
	4.3L, 5.3L & 6.2L	WATER PUMP REPLACEMENT (L82, L84, L87)
Engine Mechanical
2.7L
	Compression	Compare the compression readings from all of the cylinders. Maximum pressure differential is 14.5 psi (100 kPa). See ENGINE COMPRESSION TEST
Overhaul		ENGINE MECHANICAL SPECIFICATIONS
Torque		FASTENER SPECIFICATIONS
3.0L
	Compression	The minimum compression in any cylinder is 1800 kPa (261 psi). There should not be more than 10 percent difference between a suspect cylinder and the average compression of all 6 cylinders. See ENGINE COMPRESSION TEST
	Overhaul	ENGINE MECHANICAL SPECIFICATIONS
	Torque	FASTENER SPECIFICATIONS
4.3L
	Compression	The minimum compression in any one cylinder should not be less than 70 percent of the highest cylinder. No cylinder should read less than 690 kpa (100 psi). See ENGINE COMPRESSION TEST
	Overhaul	ENGINE MECHANICAL SPECIFICATIONS ENGINE MECHANICAL SPECIFICATIONS
	Torque	FASTENER SPECIFICATIONS
5.3L & 6.2L
	Compression	The minimum compression in any one cylinder should not be less than 70 percent of the highest cylinder. No cylinder should read less than 690 kpa (100 psi). See ENGINE COMPRESSION TEST
	Overhaul	5.3L ENGINE MECHANICAL SPECIFICATIONS (L82, L84) 6.2L ENGINE MECHANICAL SPECIFICATIONS (L87)
	Torque	FASTENER SPECIFICATIONS
Fluid Specifications		See FLUIDS under MAINTENANCE/FLUIDS tab. From within Manager or Service Writer, click the "30/60/90 Interval" or "Maint." button.
Flywheel/Flex Plate/Drive Plate Torque (Use NEW Bolts
	2.7L	First Pass: 11 ft lb (15 N.m) Final Pass: additional 75 degrees
3.0L		First Pass: 26 ft lb (35 N.m) Final Pass: additional 70 degrees
4.3L, 5.3L & 6.2L		First Pass: 22 ft lb (30 N.m) Final Pass: additional 45 degrees
Fuel System
Pressure Specification key ON engine OFF read on scan tool
	2.7L	50-94 psi (345-650 kPa)
	3.0L	Fuel Pump Pressure: 54-65 psi (370-450 kPa) Fuel Rail Pressure: More than 1885 psi (13 MPa
	4.3L	46-84 psi (320-580 kPa)
	5.3L & 6.2L	46-88 psi (320-608 kPa)
	Fuel Pressure Test Procedure
	2.7L	CIRCUIT/SYSTEM VERIFICATION
	3.0L	CIRCUIT/SYSTEM VERIFICATION
	4.3L	CIRCUIT/SYSTEM VERIFICATION
	5.3L & 6.2L	CIRCUIT/SYSTEM VERIFICATION
	Fuel Filter Location
	2.7L	The fuel filter is contained in the fuel sender assembly inside the fuel tank.
	3.0L	The fuel filter is contained in the Fuel/Water Separator Reservoir and Filter Assembly.
	4.3L	The fuel filter is contained in the fuel tank fuel pump module assembly inside the fuel tank.
	5.3L & 6.2L	The fuel filter is contained in the fuel tank fuel pump module assembly inside the fuel tank.
	Fuel Filter R & I
	2.7L	FUEL TANK FUEL PUMP MODULE REPLACEMENT (LONG BED) or FUEL TANK FUEL PUMP MODULE REPLACEMENT (SHORT BED)
	3.0L	FUEL FILTER REPLACEMENT
	4.3L	FUEL TANK FUEL PUMP MODULE REPLACEMENT (LONG BED) or FUEL TANK FUEL PUMP MODULE REPLACEMENT (SHORT BED)
	5.3L & 6.2L	FUEL TANK FUEL PUMP MODULE REPLACEMENT (LONG BED) or FUEL TANK FUEL PUMP MODULE REPLACEMENT (SHORT BED)
Ignition
Firing Order & Cylinder Identification		See FIRING ORDER & CYLINDER IDENTIFICATION
Ignition Wires (Resistance)		170-220 Ω per 1.0 in (25.4 mm)
Ignition Wires (Routing)
	2.7L (Coil on plug)	See illustration under IGNITION COIL REPLACEMENT
	4.3L	See illustration under SPARK PLUG WIRE REPLACEMENT - LEFT SIDE or SPARK PLUG WIRE REPLACEMENT - RIGHT SIDE
	5.3L & 6.2L	Spark plug wires route directly from coil to spark plug. See SPARK PLUG WIRE REPLACEMENT
Spark Plug
2.7L (Type = Refer to Parts Catalog)
	Gap	0.025 - 0.029 in (0.65 -.75 mm)
	Torque	142 INCH lb ft (16 N.m)
4.3L, 5.3L & 6.2L (Type = Refer to Parts Catalog)
	Gap	0.037 - 0.043 in (0.95 - 1.10 mm)
	Torque	15 lb ft (20 N.m)
Starting
Starter R & I
	2.7L	STARTER REPLACEMENT (L3B)
	3.0L	STARTER REPLACEMENT (LM2)
	4.3L	STARTER REPLACEMENT (LV3)
	5.3L & 6.2L	STARTER REPLACEMENT (L82, L84, L87)
Torque		FASTENER SPECIFICATIONS
Wheel Alignment
	Adjustment Specifications	Wheel Alignment Specifications
	Torque	FASTENER SPECIFICATIONS
Wheel & Tire
Wheel Lug Nut Torque		140 lb ft (190 N.m) For wheel nut tightening sequence, see appropriate illustration under TIRE AND WHEEL REMOVAL AND INSTALLATION (ALUMINUM WHEEL) or TIRE AND WHEEL REMOVAL AND INSTALLATION (STEEL WHEEL)