Common Specs & Procedures Index

EXPRESS AND SAVANA COMMON SPECS & PROCEDURES

System		Specification/Procedure
Air Conditioning
Service		APPROXIMATE FLUID CAPACITIES
Torque		FASTENER SPECIFICATIONS
Axle Nut/Hub Nut
Front		155 lb ft (210 N.m)
Battery		N/A
Brakes
Bleeding Sequence		RIGHT REAR, LEFT REAR, RIGHT FRONT, LEFT FRONT See HYDRAULIC BRAKE SYSTEM BLEEDING
Disc Brakes
	Service Specifications	DISC BRAKE COMPONENT SPECIFICATIONS
	Torque	FASTENER SPECIFICATIONS
Charging
Generator		N/A
Torque		FASTENER SPECIFICATIONS
Drive Belts
Adjustment		Serpentine belt used, not adjustable
Drive Belt Routing		4.8L, 6.0L See the figure under DRIVE BELT REPLACEMENT - ACCESSORY 6.6L See the figure under DRIVE BELT REPLACEMENT
Engine Cooling
General Service Specifications		N/A
	Radiator Cap Pressure	Pressure stamped on radiator cap or Surge Tank Cap
	Thermostat R & I
	4.8L, 6.0L	ENGINE COOLANT THERMOSTAT HOUSING REPLACEMENT (V8)
	6.6L Diesel	ENGINE COOLANT THERMOSTAT REPLACEMENT (DIESEL)
	Water Pump R & I
	4.8L, 6.0L	WATER PUMP REPLACEMENT (V8)
	6.6L Diesel	WATER PUMP REPLACEMENT (DIESEL)
Engine Mechanical
4.8L, 6.0L
	Compression	ENGINE COMPRESSION TEST minimum compression in any 1 cylinder should not be less than 70 percent of highest cylinder. No cylinder should read less than 690 kPa (100 psi).
	Oil Pressure	22 psig at 1,000 engine RPM 30 psig at 2,000 engine RPM 33 psig at 3,000 engine RPM
	Overhaul	ENGINE MECHANICAL SPECIFICATIONS
	Torque	FASTENER SPECIFICATIONS
6.6L
	Compression	ENGINE COMPRESSION TEST minimum compression in any one cylinder is 2069 kPa (300 psi). There should not be more than 345 kPa (50 psi) difference between a suspect cylinder and the average compression of all 8 cylinders.
	Oil Pressure	Minimum - Hot @ Idle - 7 psi (48 kPa) Minimum - Hot - @ 1800 RPM - 28 psi (193 kPa)
	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 - 4.8L, 6.0L		First Pass 15 Ft Lb (20 N.m) Second Pass 37 Ft Lb (50 N.m) Final Pass 74 Ft Lb (100 N.m)
Flywheel/Flex Plate/Drive Plate Torque - 6.6L		Angular Tightening Method 1st step - 59 lb ft (80 N.m) 2nd step - 60 degrees 3rd step - 60 degrees
Fuel System
Pressure Specification And Test Procedure		4.5L, 6.0L Without Fuel Pump Control Module Not Running - 50-60 psi (345-414 kPa) See CIRCUIT/SYSTEM VERIFICATION . With Fuel Pump Control Module Not Running - 50-100 psi (345-690 kPa) See CIRCUIT/SYSTEM VERIFICATION With Fuel Pump Control Module Running - 43-45 psi (296-310 kPa) See CIRCUIT/SYSTEM VERIFICATION. 6.0L Dedicated CNG Not Running - 90-110 psi (620-758 kPa) See CIRCUIT/SYSTEM VERIFICATION 6.0L Flex See CIRCUIT/SYSTEM VERIFICATION (LC8\K07\UFP) CIRCUIT/SYSTEM VERIFICATION (LC8\K07\UFM) 6.6L Running - 1450 psi (10 MPa) See CIRCUIT/SYSTEM VERIFICATION
	Fuel Filter Location	4.8L, 6.0L Fuel filter is part of the fuel tank fuel pump module 6.6L See figure under FUEL FILTER REPLACEMENT
	Fuel Filter R & I	4.8L, 6.0L FUEL TANK FUEL PUMP MODULE REPLACEMENT 6.6L See FUEL FILTER REPLACEMENT
Ignition
Firing Order & Cylinder Identification		8 CYLINDER ENGINE
Ignition Wires (Resistance)		4.8L, 6.0L 170-220 Ω per 25.4 mm (1.0 in)
Ignition Wires (Routing)
4.8L, 6.0L		See figure under SPARK PLUG WIRE REPLACEMENT
Spark Plug
4.8L, 6.0L (Refer to Electronic Parts Catalogue)
	Gap	0.037-0.043 in (0.95-1.10 mm)
	Torque	11 lb ft (15 N.m)
Starting
Starter		N/A
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 tightening sequence, please see the Wheel Nut Tightening Sequence figure under INSTALLATION PROCEDURE