FixVault

Common Specs & Procedures Index

COMMON SPECS & PROCEDURES

SYSTEM SPECIFICATION/PROCEDURE
Air Conditioning 
Service Approximate Fluid Capacities
Torque Fastener Specifications
Wheel Drive Shaft Nut 
Front First Pass: 180 N.m (133 lb ft)
Second Pass: Reverse 45 degrees
Final Pass: 270 N.m (199 lb ft)
Battery  CHARGING SYSTEM TEST , or BATTERY INSPECTION/TEST , or Battery Electrical Drain/Parasitic Load Test
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 Charging System Test
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
5.3L & 6.2L See illustration under Accessory Drive Primary Belt Replacement
Engine Cooling 
General Service Specifications Specifications
Radiator Cap Pressure Radiator Surge Tank Cap Testing
Thermostat R & I
2.7L Engine Coolant Thermostat Housing Inlet Pipe Replacement
3.0L Water Pump Inlet Pipe Replacement
5.3L & 6.2L Water Pump Inlet Replacement
Water Pump R & I
2.7L Electric Engine Coolant Pump Replacement
3.0L Water Pump Replacement
5.3L & 6.2L Water Pump Replacement
Engine Mechanical 
2.7L
Compression Engine Compression Test
Oil Pressure @ Pressure Sensor Location @ 1500 RPM - 170-230 kpa (24.66-33.36 psi)
@ Oil Filter Adapter @ 1500 RPM - 180-230 kpa (26.11-33.36 psi)
Overhaul Specifications
Torque Fastener Specifications
3.0L
Compression Engine Compression Test
Oil Pressure - 19 - 126° C (66 - 259° F) @ 1000 RPM - 160 - 230 kpa (23 - 33 psi)
@ 2500 RPM - 260 - 360 kpa (38 - 52 psi)
@ 4000 RPM - 280 - 420 kpa (40 - 61 psi)
Overhaul Specifications
Torque Fastener Specifications
5.3L & 6.2L
Compression Engine Compression Test .
Oil Pressure - Minimum - Hot @ 1000 RPM - 152 kpa (22 psi)
@ 2000 RPM - 207 kpa (30 psi)
@ 3000 RPM - 228 kpa (33 psi)
Overhaul 5.3L Engine Mechanical Specifications (L84)
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.
Flex Plate Torque 
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
5.3L & 6.2L First Pass: 30 N.m (22 lb ft)
Final Pass: 45 degrees
Fuel System 
Pressure Specification key ON engine OFF read on scan tool
2.7L 46-97 psi (320-670 kPa)
3.0L Fuel Pump Pressure: 54-65 psi (370-450 kPa)
Fuel Rail Pressure: More than 1885 psi (13 MPa)
5.3L & 6.2L 46-97 psi (320-670 kPa)
Fuel Pressure Test Procedure
2.7L Circuit/System Verification
3.0L Circuit/System Verification
5.3L & 6.2L Circuit/System Verification
Fuel Filter Location
2.7L The fuel filter is located on the fuel feed pipe, between the low pressure fuel pump and the high pressure fuel pump.
3.0L The fuel filter assembly is located near the left frame rail, and contains the Fuel Filter/Water Separator, Fuel Heater, Fuel Temperature Sensor, Water in Fuel Sensor.
5.3L & 6.2L The fuel filter (strainer) 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
5.3L & 6.2L Fuel Tank Fuel Pump Module Replacement (Long Bed) (- ULV) or Fuel Tank Fuel Pump Module Replacement (Short Bed) (- ULV) or Fuel Tank Fuel Pump Module Replacement (Short Bed) (ULV)
Ignition 
Firing Order & Cylinder Identification See FIRING ORDER & CYLINDER IDENTIFICATION
Ignition Wires (Resistance) 170-220 Ω per 1.0 in (25.4 mm) [5.3L, 6.2L], {12633447} 332 to 460 ohms per 25.4 mm (1.0 in)
Ignition Wires (Routing)
2.7L See illustration under Ignition Coil Replacement - Cylinder 1, 2, 3 or Ignition Coil Replacement - Cylinder 4
5.3L & 6.2L Spark plug wires route directly from coil to spark plug. See Ignition Coil Replacement - Left Side (L87) or Ignition Coil Replacement - Left Side (L84) or Ignition Coil Replacement - Right Side
Spark Plug 
2.7L (Type = Refer to Parts Catalog)
Gap 0.025 - 0.029 in (0.65 -.75 mm)
Torque 142 in lb (16 N.m)
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 (LZ0)
5.3L & 6.2L Starter Replacement (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)
Alternately and evenly tighten the wheel nuts in a crisscross pattern