Common Specs & Procedures Index

EXPRESS AND SAVANA COMMON SPECS & PROCEDURES

SYSTEM		SPECIFICATION/PROCEDURE
Air Conditioning
Service		Approximate Fluid Capacities
Torque		Fastener Specifications
Battery		N/A
Brakes
Bleeding Sequence		RIGHT REAR, LEFT REAR, RIGHT FRONT, LEFT FRONT See Hydraulic Brake System Bleeding (Manual) , Hydraulic Brake System Bleeding (Pressure)
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 Installation Procedure 2.8L DIESEL 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)
	2.8L Diesel	Engine Coolant Thermostat Replacement (LWN)
	Water Pump R & I
	4.8L, 6.0L	Water Pump Replacement (LC8, L20, L96)
	2.8L Diesel	Water Pump Replacement (LWN)
Engine Mechanical
4.8L, 6.0L
	Compression	Engine Compression Test NOTE: The minimum compression in any 1 cylinder should not be less than 70 percent of the highest cylinder. No cylinder should read less than 690 kPa (100 psi).
	Oil Pressure	22 psig at 1, 000 engine RPM (152 kPa at 1, 000 engine RPM) 30 psig at 2, 000 engine RPM (207 kPa at 2, 000 engine RPM) 33 psig at 3, 000 engine RPM (228 kPa at 3, 000 engine RPM)
	Overhaul	Engine Mechanical Specifications (L20 VIN A) Engine Mechanical Specifications (LC8 VIN B) Engine Mechanical Specifications (L96 VIN G)
	Torque	Fastener Specifications
2.8L
	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 - Warm - @ idle - 10 psi (70 kPa) Oil Pressure - Minimum - @ 3800 RPM - 36 psi (250 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 - 2.8L DIESEL		Automatic Transmission Flex Plate Bolt 1st Pass - 37 lb ft (50 N.m) 2nd Pass - Loosen 90 Degrees 3rd Pass - 18 lb ft (25 N.m) Final Pass - Tighten 60 Degrees
Fuel System
Pressure Specification And Test Procedure		4.8L, 6.0L Fuel System Diagnosis (Without FPCM) , OR Fuel System Diagnosis (FPCM) 2.8L DIESEL See Circuit/System Verification
	Fuel Filter Location	4.8L, 6.0L Fuel filter is part of the fuel tank fuel pump module 2.8L DIESEL See figure under Fuel Filter Replacement
	Fuel Filter R & I	4.8L, 6.0L Fuel Tank Fuel Pump Module Replacement 2.8L DIESEL See Fuel Filter Replacement
Ignition
Firing Order & Cylinder Identification		Firing Order & Cylinder Identification
Ignition Wires (Resistance)		4.8L, 6.0L 170-220 Ω per 25.4 mm (1.0 in)
Ignition Wires (Routing)
4.8L, 6.0L		Straight down to spark plug. See figure under Spark Plug 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 (Without Dual Rear Wheels) , OR Installation Procedure (With Rear Wheels)