TORQUE SPECIFICATIONS Application Ft. Lbs. (N.m)

2004 SPECIFICATIONS

Sierra, Silverado, Cab & Chassis

TORQUE SPECIFICATIONS

Application A/C Compressor Bolt Bypass Pipe Bolt Camshaft Gear Bolt Camshaft Thrust Plate Bolt Connecting Rod Cap Bolt (Angular Tightening Method)

1st Step 2nd Step 3rd Step Coolant Pipe-To-Water Pump Nut Cooling Fan Pulley Crankshaft Balancer Bolt Cylinder Head M12 Bolt (Angular Tightening Method) (1) 1st Step 2nd Step 3rd Step 4th Step Cylinder Head M8 Bolt (1) Drive Belt Tensioner Pulley Bolt EGR Bolt (California Emissions) EGR Bracket Bolt (California Emissions) EGR Valve Nut (California Emissions) Engine Block Coolant Plug Engine Block Ground Bolt Engine Mount-To-Block Bolt Exhaust Manifold Bolt/Nut (2) Exhaust Outlet Pipe Bolt Exhaust Pipe Bolt Exhaust Pipe Bracket Bolt Fan Pulley Bracket Bolt Flywheel Bolt (Angular Tightening Method) (3) 1st Step 2nd Step 3rd Step Flywheel Housing Bolt (Black Circle Mark) Flywheel Housing-To-Upper Oil Pan Bolts (Black Triangle Mark) Front Engine Cover Bolt Fuel Block Bolt

Ft. Lbs. (N.m) 37 (50) 15 (21)

173 (234) 16 (22)

47 (64) Tighten Additional 30? Tighten Additional 30?

18 (25) 30 (41) 260 (353)

37 (50) 59 (80) Tighten Additional 90? Tighten Additional 75? 18 (25) 30 (41) 15 (20) 15 (20) 14 (19) 13 (18) 25 (34) 43 (58) 28 (38) 39 (53) 39 (53) 25 (34) 34 (46)

58 (79) Tighten Additional 60? Tighten Additional 60?

67 (90) 37 (50) 15 (21) 18 (25)

Application Fuel Filter Bracket Bolt Fuel Injection Control Module Bolt Fuel Injection Control Module Bracket Bolt Fuel Injection Control Module Connector Bracket Bolt Fuel Injection Control Module Cooler Eye Bolt Fuel Injection Pipe Nut Fuel Inlet Pipe Bracket Bolt Fuel Pipes Bracket Bolt Fuel Rail Assembly Bolt Fuel Rail Connector Fuel Return Eye Bolt (Cylinder Head Side) Fuel Return Eye Bolt (Injector Side) Fuel Return Pipe Sleeve Nut Fuel Return Sleeve Unit Fuel Injection Pump Assembly-To-Cylinder Block Bolt Fuel Injection Pump-To-Bracket Bolt Fuel Injection Pump Drive Gear Nut Fuel Temperature Sensor Eye Bolt Function Block Nut Function Block-To-Injection Pipe Nut Generator Bracket Bolt Glow Plug Glow Plug Power Feed Nut Glow Plug Relay Assembly Bolt Heater Pipe Bolt Idle Pulley Bolt/Screw Injector Bracket Bolt Intake Air Heater Intake Manifold Bolt/Nut Oil Cooler Adapter Bolt Oil Cooler Adapter Nut Oil Cooler Assembly Bolt Oil Drain Plug Oil Fill Tube Bolt Oil filter Oil Gallery Plug Oil Level Indicator Tube Bolt Oil Pan Bolt (Upper) Oil Pressure Sensor Adapter Eye Bolt Oil Pressure Sensor Unit Oil Pressure Relief Valve Oil Pump Bolt

Ft. Lbs. (N.m) 15 (21) 15 (20) 15 (21) 15 (21) 20 (27) 30 (41) 15 (21) 15 (21) 18 (25) 33 (45) 12 (17) 12 (16) 30 (41) 30 (41) 15 (21) 15 (21) 52 (70) 11 (15) 18 (25) 30 (41) 37 (50) 13 (18) 11 (15) 18 (25) 15 (21) 27 (37) 37 (50) 37 (50) 15 (21) 15 (21) 18 (25) 18 (25) 62 (84) 15 (21) 18 (24) 39 (53) 15 (21) 15 (20) 28 (38) 22 (30) 29 (39) 15 (21)

Application Oil Pump Driven Gear Nut Oil Pump Gear Cover Bolt Oil Strainer Bolts/Nut Piston Cooling Nozzle Eye Bolt Power Steering Pump Bolt Power Steering Pump Bracket Bolt Rocker Arm Shaft Bracket Bolt Starter Motor Bolt Thermostat Housing Bolt/Nut Thermostat Cover Bolt Turbocharger Bolt Turbocharger Coolant Outlet Pipe Bracket Bolt Turbocharger Oil Supply Hose Eye Bolt Turbocharger Oil Return Pipe Bolts/Nut Turbocharger Thermostatic Coolant Valve Upper Oil Pan-To-Flywheel Housing Screw Vacuum Pump Nut (California Emissions) Valve Adjusting Screw Nut Water Outlet Bolt Water Pump Bolt

Camshaft Position Sensor Bolt Camshaft Position Sensor Exciter Ring Bolt Crankshaft Position Sensor Bolt Crankshaft Position Sensor Spacer Bolt Exhaust Manifold Heat Shield Bolt Exhaust Outlet Heat Shield Bolt Exhaust Pipe Heat Shield Bolt Fuel Injection Control Module Connector Bolt Glow Plug Connector Nut Injector Harness Bracket Bolt Injector Terminal Nut Injector Pipe Lock Plate Screw Intake Manifold Tube Bolt/Nut Oil Cooler Adapter Stud Oil Level Sensor Bolt Oil Pan Bolt/Nut (Lower) (4) Positive Crankcase Ventilation Cover Screw Turbocharger Boost Sensor Bolt Turbocharger Heat Shield Bolt Turbocharger Inlet Duct-To-Turbocharger Bolt Turbocharger Oil Return Pipe Stud

Ft. Lbs. (N.m) 74 (100) 15 (21) 18 (25) 15 (21) 37 (50) 34 (46) 30 (41) 58 (78) 18 (25) 15 (21) 80 (108) 15 (21) 25 (34) 15 (21) 44 (60) 15 (20) 16 (22) 16 (22) 18 (25) 15 (21)

INCH Lbs. (N.m) 89 (10) 80 (9) 89 (10) 89 (10) 71 (8) 71 (8) 71 (8) 89 (10) 18 (2) 80 (9) 18 (2) 35 (4) 80 (9) 89 (10) 89 (10) 89 (10) 35 (4) 89 (10) 80 (9) 80 (9) 89 (10)

Application Valve Lifter Hold-Down Bracket Bolt Valve Rocker Arm Cover Bolt (Lower) (5) Valve Rocker Arm Cover Bolt (Upper)

1st Step 2nd Step (1) Tighten in sequence. See Fig. 25 . (2) Tighten in sequence. See Fig. 26 . (3) Tighten in sequence. See Fig. 27 . (4) Tighten in sequence. See Fig. 29 . (5) Tighten in sequence. See Fig. 28 .

Ft. Lbs. (N.m) 97 (11) 89 (10)

71 (8) 71 (8)

HVAC SYSTEM SERVICE SPECIFICATIONS

Application Accumulator Replacement Compressor Replacement (3) Condenser Replacement Evaporator Replacement (Front Or Rear)

Specification (1) 2 ozs. (2) 2 ozs. (2) 1 ozs. (2) 3 ozs.

Total System PAG Oil Capacity

8 ozs.

R-134a Refrigerant Charge

1.6 lbs.

(1) Add PAG oil equal to amount of oil drained from component plus the specified additional amount. PAG Oil GM P/N 12378526 for U.S. & GM P/N 88900060 for Canada.

(2) Add amount specified or amount drained, which ever is greater.

(3) The Denso service compressor is precharged with 8.0 ozs. (237 ml) of PAG oil.

HVAC System Torque Specifications

HVAC SYSTEM TORQUE SPECIFICATIONS

Application A/C Refrigerant Filter Retaining Nuts Compressor Bracket Mounting Bolts Compressor Clutch Plate Retaining Bolt Compressor Discharge Hose Nut At Connector Compressor Hose Bolt At Compressor - Harrison (4.3L, 6.6L & 8.1L) Compressor Mounting Bolts - Denso (4.8L, 5.3L, 6.0L & 6.6L) Compressor Mounting Bolts - Harrison (4.3L, 6.6L & 8.1L) Compressor Suction/Discharge Hose Bolt Compressor Suction Hose Nut At Accumulator

Ft. Lbs. (N.m) 11 (15) 37 (50) 13 (18) 12 (16) 25 (34) 37 (50) 37 (50) 25 (34) 12 (16)

Application Compressor Suction Hose-To-Accumulator Discharge Hose Mounting Bolt - Denso (4.8L, 5.3L, 6.0L & 6.6L) Evaporator Tube Fitting At Orifice Evaporator Tube Nut At Condenser Evaporator Tube Nut At Evaporator Heater Hose Mounting Bolt (4.3L) Heater Hose Outlet Mounting Nut/Bolt Suction Hose Mounting Bolt - Denso (4.8L, 5.3L, 6.0L & 6.6L)

A/C High Pressure Recirculation Switch A/C Low Pressure Switch Accumulator Bracket Nut Accumulator Clamp Bolt Air Distribution Duct Screw Air Outlet Mounting Screw Air Temperature Actuator Mounting Screw Blower Motor Control Processor Screw Blower Motor Insulating Cover Screw Blower Motor Relay/Resistor Screw Compressor Clutch Coil Connector Retaining Bracket Screw Condenser Upper Insulator Retainer Bolts Filter Access Door Screw Floor Air Outlet Duct Screw Heater Core Cover Screws Heater Ventilation Module Screws Heater/Ventilation Module Mounting Nuts Heater/Ventilation Module Mounting Screws HVAC Control Module Screw Insulator Retainers & Bolts Mode Actuator Mounting Screw Pressure Relief Valve Recirculation Actuator Mounting Screw

BATTERY

Battery Service Specifications

BATTERY SERVICE SPECIFICATIONS

Standard GM Part Number Replacement Battery Number

Ft. Lbs. (N.m) 30 (41) 12 (16) 18 (25) 12 (16) 12 (16) 18 (25) 18 (25) 12 (16)

In. Lbs. (N.m) 53 (6) 53 (6) 80 (9) 88 (10)

14 (1.6) 14 (1.6) 14 (1.6) 14 (1.6) 14 (1.6) 14 (1.6)

80 (9) 21 (2.4) 14 (1.6) 14 (1.6) 14 (1.6) 14 (1.6)

80 (9) 35 (4) 17 (1.9) 21 (2.4) 14 (1.6) 80 (9) 14 (1.6)

19001810 78-6YR

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