GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
GMC_Truck
🢒
2003
🢒
GMC C Sierra - 2WD
🢒
Engine
🢒 Engine Mechanical - 6.6L
Engine
All Description and Operation
Cleanliness and Care
Drive Belt System Description
Engine Component Description
Lubrication Description
New Product Information
Replacing Engine Gaskets
Separating Parts
Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
All Special Tools and Equipment
Special Tools
All Visual Identification
Disassembled Views
Engine Identification
Cleaning, Inspection, and Adjustment
Camshaft and Bearings Cleaning and Inspection
Crankshaft and Bearing Cleaning and Inspection
Crankshaft Balancer Cleaning and Inspection
Cylinder Head Cleaning and Inspection
Engine Block Cleaning and Inspection
Engine Coolant Thermostat Housing Cleaning and Inspection
Engine Flywheel Cleaning and Inspection
Engine Flywheel Housing Cleaning and Inspection
Engine Front Cover Cleaning and Inspection
Exhaust Gas Recirculation Valve Cooler Cleaning and Inspection
Exhaust Manifold Cleaning and Inspection
Exhaust Outlet Cleaning and Inspection
Exhaust Pipe Cleaning and Inspection
Fuel Injection Pump Cleaning and Inspection
Intake Manifold Cleaning and Inspection
Lower Oil Pan Cleaning and Inspection
Oil Filter Adapter and Oil Cooler Assembly Cleaning and Inspection
Oil Pump Cleaning and Inspection
Piston Oil Cooling Nozzle Cleaning and Inspection
Piston, Connecting Rod, and Bearing Cleaning and Inspection
Turbocharger Cleaning and Inspection
Upper Oil Pan Cleaning and Inspection
Vacuum Pump Cleaning and Inspection
Valve Clearance Adjustment
Valve Lifters Cleaning and Inspection
Valve Rocker Arm and Shaft Cleaning and Inspection
Valve Rocker Arm Cover Cleaning and Inspection - Lower
Valve Rocker Arm Cover Cleaning and Inspection - Upper
Water Pump Cleaning and Inspection
Diagnostic Procedures
Base Engine Misfire with Abnormal Internal Lower Engine Noises
Base Engine Misfire with Abnormal Valve Train Noise
Base Engine Misfire with Coolant Consumption
Base Engine Misfire with Excessive Oil Consumption
Base Engine Misfire without Internal Engine Noises
Coolant in Combustion Chamber
Coolant in Engine Oil
Crankcase Ventilation System Inspection/Diagnosis
Cylinder Leakage Test
Diagnostic Starting Point - Engine Mechanical
Drive Belt Tensioner Diagnosis
Engine Compression Test
Engine Noise on Start-Up, but Only Lasting a Few Seconds
Engine Noise Under Load
Engine Will Not Crank - Crankshaft Will Not Rotate
Fuel in Engine Oil
Lower Engine Noise, Regardless of Engine Speed
Symptoms - Engine Mechanical
Turbocharger Hissing Noise
Turbocharger Lack of Oil Supply
Turbocharger Oil Leak From Compressor Seal
Turbocharger Oil Leak From Turbine Seal
Turbocharger Whine Noise
Upper Engine Noise, Regardless of Engine Speed
Disassembly, Overhaul, Repair, and Assembly
Camshaft Installation
Camshaft Removal
Cooling Fan Pulley Installation
Cooling Fan Pulley Removal
Crankshaft and Bearing Installation
Crankshaft and Bearing Removal
Crankshaft Front Oil Seal Installation
Crankshaft Front Oil Seal Removal
Crankshaft Rear Oil Seal Installation
Crankshaft Rear Oil Seal Removal
Cylinder Head Assemble
Cylinder Head Disassemble
Cylinder Head Gasket Selection
Cylinder Head Installation - Left Side
Cylinder Head Installation - Right Side
Cylinder Head Removal - Left Side
Cylinder Head Removal - Right Side
Draining Fluids and Oil Filter Removal
Engine Coolant Thermostat Housing Installation
Engine Coolant Thermostat Housing Removal
Engine Flywheel Housing Installation
Engine Flywheel Housing Removal
Engine Flywheel Installation
Engine Flywheel Removal
Engine Front Cover Installation
Engine Front Cover Removal
Engine Mounting to Stand
Engine Prelubing
Engine Removal from Stand
Exhaust Manifold Installation - Left Side
Exhaust Manifold Installation - Right Side
Exhaust Manifold Removal - Left Side
Exhaust Manifold Removal - Right Side
Exhaust Outlet Installation
Exhaust Outlet Removal
Exhaust Pipe Installation - Left Side
Exhaust Pipe Installation - Right Side
Exhaust Pipe Removal - Left Side
Exhaust Pipe Removal - Right Side
Fuel Filter Assembly Installation
Fuel Filter Assembly Removal
Fuel Injection Control Module Harness Assembly Installation
Fuel Injection Control Module Harness Assembly Removal
Fuel Injection Pump Installation
Fuel Injection Pump Removal
Fuel Injector Control Module Installation
Fuel Injector Control Module Removal
Fuel Injector Installation
Fuel Injector Removal
Fuel Injector Sleeve Installation
Fuel Injector Sleeve Removal
Fuel Line Torquing
Fuel Pipes and Fuel Rail Installation
Fuel Pipes and Fuel Rail Removal
Generator and Drive Belt Tensioner Bracket Installation
Generator and Drive Belt Tensioner Bracket Removal
Glow Plug Controller and Glow Plugs Installation
Glow Plug Controller and Glow Plugs Removal
Intake Manifold Installation - Left Side
Intake Manifold Installation - Right Side
Intake Manifold Removal - Left Side
Intake Manifold Removal - Right Side
Intake Manifold Tube Installation
Intake Manifold Tube Removal
Lower Oil Pan Installation
Lower Oil Pan Removal
Oil Filter Adapter and Oil Cooler Assembly Installation
Oil Filter Adapter and Oil Cooler Assembly Removal
Oil Pump Installation
Oil Pump Suction Pipe and Screen Assembly Installation
Oil Pump Suction Pipe and Screen Assembly Removal
Piston and Connecting Rod Assemble
Piston and Connecting Rod Disassemble
Piston Oil Cooling Nozzle Installation
Piston Oil Cooling Nozzle Removal
Piston, Connecting Rod, and Bearing Installation
Piston, Connecting Rod, and Bearing Removal
Power Steering Pump Mounting Bracket Installation
Power Steering Pump Mounting Bracket Removal
Service Prior to Assembly
Thread Repair
Turbocharger Installation
Turbocharger Removal
Upper Oil Pan Installation
Upper Oil Pan Removal
Valve and Seat Grinding
Valve Lifter Installation
Valve Lifter Removal
Valve Rocker Arm Cover Installation - Lower Left Side
Valve Rocker Arm Cover Installation - Lower Right Side
Valve Rocker Arm Cover Installation - Upper Left Side
Valve Rocker Arm Cover Installation - Upper Right Side
Valve Rocker Arm Cover Removal - Lower Left Side
Valve Rocker Arm Cover Removal - Lower Right Side
Valve Rocker Arm Cover Removal - Upper Left Side
Valve Rocker Arm Cover Removal - Upper Right Side
Valve Rocker Arm, Shaft, and Push Rod Installation
Valve Rocker Arm, Shaft, and Push Rod Removal
Water Pump Installation
Water Pump Removal
Electrical/Electronic Specifications
Engine Mechanical Specifications
General Diagnostic Information
Drive Belt Chirping Diagnosis
Drive Belt Excessive Wear Diagnosis
Drive Belt Falls Off Diagnosis
Drive Belt Rumbling Diagnosis
Drive Belt Squeal Diagnosis
Drive Belt Vibration Diagnosis
Drive Belt Whine Diagnosis
Oil Consumption Diagnosis
Oil Leak Diagnosis
Oil Pressure Diagnosis and Testing
General Information
Tools and Equipment
Mechanical Specifications
Connecting Rod Bearings Selection Specifications
Crankshaft Bearing Selection Specifications
Cylinder Head Gasket Selection Specifications
Fastener Tightening Specifications
Valve Clearance Adjustment Specifications
Other Specifications
Adhesives, Fluids, Lubricants, and Sealers
Thread Repair Specifications
Removal, Installation, and Replacement
Air Conditioning (A/C) Compressor and Power Steering Pump Bracket Replacement
Camshaft Position Sensor Exciter Ring Replacement
Camshaft Replacement
Charged Air Cooler Hoses/Pipes Replacement
Charged Air Cooler Replacement
Crankshaft Balancer Installation
Crankshaft Balancer Removal
Crankshaft Balancer Replacement
Crankshaft Front Oil Seal Replacement
Crankshaft Rear Oil Seal Replacement
Crankshaft Reluctor and Oil Pump Drive Gear Replacement
Cylinder Head Replacement - Left Side
Cylinder Head Replacement - Right Side
Drive Belt Idler Pulley Replacement
Drive Belt Replacement
Drive Belt Tensioner Replacement
Engine Flywheel Housing Replacement
Engine Flywheel Replacement - Automatic Transmission
Engine Flywheel Replacement - Manual Transmission
Engine Front Cover Replacement
Engine Mount Inspection
Engine Mount Replacement - Left Side
Engine Mount Replacement - Right Side
Engine Oil and Oil Filter Replacement
Engine Oil Level Sensor and/or Switch Replacement
Engine Oil Pressure Sensor and/or Switch Replacement
Engine Replacement
Fuel Injector Nozzle Tube Sleeve Replacement
Intake Manifold Replacement - Left Side
Intake Manifold Replacement - Right Side
Intake Manifold Tube Replacement
Lower Oil Pan Replacement
Oil Filler Tube Replacement
Oil Filter Adapter and Oil Cooler Assembly Replacement
Oil Level Indicator Tube Replacement
Oil Pump Removal
Oil Pump Replacement
Positive Crankcase Ventilation Hose/Pipe/Tube Replacement
Positive Crankcase Ventilation Valve Replacement
Starter Installation
Starter Removal
Turbocharger Oil Feed Pipe Replacement
Turbocharger Replacement
Upper Oil Pan Replacement
Valve Clearance Adjustment
Valve Lifter Replacement
Valve Rocker Arm Cover Replacement - Lower Left Side
Valve Rocker Arm Cover Replacement - Lower Right Side
Valve Rocker Arm Cover Replacement - Upper Left Side
Valve Rocker Arm Cover Replacement - Upper Right Side
Valve Rocker Arm, Shaft, and Push Rod Replacement
Valve Stem Oil Seal and Valve Spring Replacement