Common Specs & Procedures Index

COMMON SPECS & PROCEDURES

SYSTEM		SPECIFICATION/PROCEDURE
Air Conditioning
Service		APPROXIMATE FLUID CAPACITIES
Torque		FASTENER SPECIFICATIONS
Battery		See Battery Inspection/Test and Battery Electrical Drain/Parasitic Load Tests under SPECIFICATIONS
Brakes
Bleeding Sequence		RIGHT REAR, LEFT REAR, RIGHT FRONT, LEFT FRONT See HYDRAULIC BRAKE SYSTEM BLEEDING (PRESSURE) , or HYDRAULIC BRAKE SYSTEM BLEEDING (MANUAL)
Disc Brakes
	Service Specifications	DISC BRAKE COMPONENT SPECIFICATIONS
	Torque	FASTENER SPECIFICATIONS
Charging
Generator		CHARGING SYSTEM TEST
Torque		FASTENER SPECIFICATIONS
Drive Belts
Adjustment		Serpentine belt used, not adjustable
Drive Belt Routing		4.3L See the figure under ACCESSORY DRIVE PRIMARY BELT REPLACEMENT 6.6L See the figure under DRIVE BELT REPLACEMENT - ACCESSORY , ACCESSORY DRIVE AUXILIARY BELT REPLACEMENT
Engine Cooling
General Service Specifications		SPECIFICATIONS
	Radiator Cap Pressure	PRESSURE CAP TESTING
	Thermostat R & I
	4.3L	Water Pump Inlet Replacement (LV1)
	6.6L	WATER PUMP INLET REPLACEMENT (L8T)
	Water Pump R & I
	4.3L	WATER PUMP REPLACEMENT (LV1)
	6.6L	WATER PUMP REPLACEMENT (L8T)
Engine Mechanical
4.3L
	Compression	ENGINE COMPRESSION TEST
	Oil Pressure - Minimum - Hot	152 kPa at 1000 engine RPM (22 psig at 1000 engine RPM) 207 kPa at 2000 engine RPM (30 psig at 2000 engine RPM) 228 kPa at 3000 engine RPM (33 psig at 3000 engine RPM)
	Overhaul	ENGINE MECHANICAL SPECIFICATIONS (LV1)
	Torque	FASTENER SPECIFICATIONS
	6.6L
	Compression	ENGINE COMPRESSION TEST
	Oil Pressure - Minimum - Hot	152 kPa at 1000 engine RPM (22 psig at 1000 engine RPM) 207 kPa at 2000 engine RPM (30 psig at 2000 engine RPM) 228 kPa at 3000 engine RPM (33 psig at 3000 engine RPM)
	Overhaul	ENGINE MECHANICAL SPECIFICATIONS
	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 - 4.3L		First Pass - 15 N.m (11 lb ft) Second Pass - 30 N.m (22 lb ft) Final Pass - Tighten 45 degrees
Flywheel/Flex Plate/Drive Plate Torque - 6.6L		First Pass - 15 N.m (11 lb ft) Second Pass - 30 N.m (30 lb ft) Final Pass - Tighten 45 degrees
Fuel System
Pressure Specification And Test Procedure		2.8L Diesel See 4.3L CIRCUIT/SYSTEM VERIFICATION 6.6L CIRCUIT/SYSTEM VERIFICATION
	Fuel Filter Location	4.3L Fuel filter is part of the fuel tank fuel pump module 6.6L Fuel filter is part of the fuel tank fuel pump module
	Fuel Filter R & I	4.3L FUEL TANK FUEL PUMP MODULE REPLACEMENT (SHORT/LONG WHEEL BASE) or FUEL TANK FUEL PUMP MODULE REPLACEMENT (CHASSIS CAB REAR TANK) or FUEL TANK FUEL PUMP MODULE REPLACEMENT (CHASSIS CAB FRONT TANK) 6.6L FUEL TANK FUEL PUMP MODULE REPLACEMENT (SHORT/LONG WHEELBASE) or FUEL TANK FUEL PUMP MODULE REPLACEMENT (CHASSIS CAB FRONT TANK) or FUEL TANK FUEL PUMP MODULE REPLACEMENT (CHASSIS CAB REAR TANK)
Ignition
Firing Order & Cylinder Identification		FIRING ORDER & CYLINDER IDENTIFICATION
Ignition Wires (Resistance)		4.3L & 6.6L 170-220 Ω per 25.4 mm (1.0 in)
Ignition Wires (Routing)		Straight down to spark plug. See figures under SPARK PLUG WIRE REPLACEMENT for 4.3L, or SPARK PLUG WIRE REPLACEMENT
Spark Plug
4.3L & 6.6L (Refer to Electronic Parts Catalogue)
	Gap	0.95-1.10 mm (0.037-0.043 in)
	Torque	20 N.m (15 lb ft)
Starting
Starter		See STARTER REPLACEMENT (LV1) or STARTER REPLACEMENT (L8T)
Torque		FASTENER SPECIFICATIONS
Wheel Alignment
	Adjustment Specifications	WHEEL ALIGNMENT SPECIFICATIONS
	Torque	FASTENER SPECIFICATIONS
Wheel & Tire
Wheel Lug Nut Torque		W/O Dual Rear Wheels 190 N.m (140 lb ft) For tightening sequence, please see the Wheel Nut Tightening Sequence figure under TIRE AND WHEEL REMOVAL AND INSTALLATION (WITHOUT DUAL REAR WHEELS) W/Dual Rear Wheels 170 N.m (125 lb ft) For tightening sequence, please see the Wheel Nut Tightening Sequence figure under TIRE AND WHEEL REMOVAL AND INSTALLATION (WITH DUAL REAR WHEELS)