GM Service Manual Online
For 1990-2009 cars only
Makes
🢒
Oldsmobile
🢒
2003
🢒
Aurora
🢒
Engine
🢒 Engine Mechanical - 4.0L
Engine
All Description and Operation
Crankcase Ventilation System Description
Drive Belt System Description
Engine Component Description
Lubrication Description
New Product Information
All Special Tools and Equipment
Special Tools
All Visual Identification
Disassembled Views
Engine Identification
Cleaning, Inspection, and Adjustment
Camshaft Cleaning and Inspection
Camshaft Cover Cleaning and Inspection
Camshaft Intermediate Drive Shaft Cleaning and Inspection
Camshaft Timing Drive Components Cleaning and Inspection
Crankshaft and Bearing Cleaning and Inspection
Crankshaft Balancer Cleaning and Inspection
Cylinder Head Cleaning and Inspection
Engine Flywheel Cleaning and Inspection
Engine Mount Inspection
Exhaust Manifold Cleaning and Inspection - Left Side
Exhaust Manifold Cleaning and Inspection - Right Side
Intake Manifold Cleaning and Inspection
Oil Filter Adapter Cleaning and Inspection
Oil Pan Cleaning and Inspection
Oil Pump Cleaning and Inspection
Piston, Connecting Rod, and Bearing Cleaning and Inspection
Setting Camshaft Timing
Valve Lifters Cleaning and Inspection
Valve Rocker Arm Cleaning and Inspection
Valve Spring Inspection and Measurement
Water Crossover Cleaning and Inspection
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
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
Lower Engine Noise, Regardless of Engine Speed
Symptoms - Engine Mechanical
Upper Engine Noise, Regardless of Engine Speed
Disassembly, Overhaul, Repair, and Assembly
Air Conditioning (A/C) Compressor Installation
Air Conditioning (A/C) Compressor Removal
Camshaft Cover Assemble
Camshaft Cover Disassemble
Camshaft Cover Installation - Left Side
Camshaft Cover Installation - Right Side
Camshaft Cover Removal - Left Side
Camshaft Cover Removal - Right Side
Camshaft Intermediate Drive Shaft Installation
Camshaft Intermediate Drive Shaft Removal
Crankshaft and Bearing Installation
Crankshaft and Bearing Removal
Crankshaft Balancer Installation
Crankshaft Balancer 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 Installation - Left Side
Cylinder Head Installation - Right Side
Cylinder Head Removal - Left Side
Cylinder Head Removal - Right Side
Drive Belt Idler Pulley Installation
Drive Belt Idler Pulley Removal
Drive Belt Installation
Drive Belt Removal
Drive Belt Tensioner Installation
Drive Belt Tensioner Removal
Engine Block Cleaning and Inspection - Lower
Engine Block Cleaning and Inspection - Upper
Engine Flywheel Installation
Engine Flywheel Removal
Engine Front Cover Installation
Engine Front Cover Removal
Engine Prelubing
Exhaust Camshaft Installation - Left Side
Exhaust Camshaft Installation - Right Side
Exhaust Camshaft Removal - Left Side
Exhaust Camshaft Removal - Right Side
Exhaust Manifold Installation - Left Side
Exhaust Manifold Installation - Right Side
Exhaust Manifold Removal - Left Side
Exhaust Manifold Removal - Right Side
Generator Installation
Generator Removal
Ignition Coil Module Installation - Left Side
Ignition Coil Module Installation - Right Side
Ignition Coil Module Removal - Left Side
Ignition Coil Module Removal - Right Side
Intake Camshaft Installation - Left Side
Intake Camshaft Installation - Right Side
Intake Camshaft Removal - Left Side
Intake Camshaft Removal - Right Side
Intake Manifold Assemble
Intake Manifold Disassemble
Intake Manifold Installation
Intake Manifold Removal
Lower Crankcase Installation
Lower Crankcase Removal
Oil Filter Adapter Assemble
Oil Filter Adapter Disassemble
Oil Filter Adapter Installation
Oil Filter Adapter Removal
Oil Level Indicator and Tube Installation
Oil Level Indicator and Tube Removal
Oil Pan Installation
Oil Pan Removal
Oil Pump Assemble
Oil Pump Disassemble
Oil Pump Installation
Oil Pump Removal
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, Connecting Rod, and Bearing Installation
Piston, Connecting Rod, and Bearing Removal
Power Steering Pump Installation
Power Steering Pump Removal
Primary Camshaft Intermediate Drive Chain Installation
Primary Camshaft Intermediate Drive Chain Removal
Secondary Camshaft Drive Chain Installation - Left Side
Secondary Camshaft Drive Chain Installation - Right Side
Secondary Camshaft Drive Chain Removal - Left Side
Secondary Camshaft Drive Chain Removal - Right Side
Service Prior to Assembly
Starter Installation
Starter Removal
Thread Repair
Valve and Seat Grinding
Valve Lifter Installation - Left Side
Valve Lifter Installation - Right Side
Valve Lifter Removal - Left Side
Valve Lifter Removal - Right Side
Valve Rocker Arm Installation - Left Side
Valve Rocker Arm Installation - Right Side
Valve Rocker Arm Removal - Left Side
Valve Rocker Arm Removal - Right Side
Water Crossover Assemble
Water Crossover Disassemble
Water Crossover Installation
Water Crossover Removal
General Diagnostic Information
Crankcase Ventilation System Inspection/Diagnosis
Cylinder Leakage Test
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
Cleanliness and Care
Replacing Engine Gaskets
Separating Parts
Tools and Equipment
Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
Mechanical Diag. and Drive Belt/Chain Routings Schem. Diag.
Camshaft Timing Drive Chain Alignment Diagram
Mechanical Specifications
Engine Mechanical Specifications
Fastener Tightening Specifications
Other Specifications
Adhesives, Fluids, Lubricants, and Sealers
Thread Repair Specifications
Removal, Installation, and Replacement
Camshaft Cover Replacement - Left Side
Camshaft Cover Replacement - Right Side
Camshaft Intermediate Drive Shaft Replacement
Camshaft Replacement - Left Side
Camshaft Replacement - Right Side
Crankshaft Balancer Replacement
Crankshaft Rear Oil Seal 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 Replacement
Engine Front Cover Replacement
Engine Front Mount Bracket Replacement
Engine Front Mount Replacement
Engine Lift Bracket Replacement
Engine Mount Bracket Replacement - Right 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
Engine Support Fixture
Fuel Injector Sight Shield Replacement
Intake Manifold Replacement
Lubrication System Priming
Oil Filter Adapter Replacement
Oil Level Indicator Tube Replacement
Oil Pan Replacement
Oil Pump Replacement
Oil Pump Suction Pipe and Screen Assembly Replacement
Positive Crankcase Ventilation Hose/Pipe/Tube Replacement
Primary Camshaft Drive Chain and Sprockets Replacement
Primary Camshaft Drive Chain Guide Replacement
Primary Camshaft Drive Chain Tensioner Replacement
Secondary Camshaft Drive Chain Guide Replacement - Left Side
Secondary Camshaft Drive Chain Guide Replacement - Right Side
Secondary Camshaft Drive Chain Replacement - Left Side
Secondary Camshaft Drive Chain Replacement - Right Side
Secondary Camshaft Drive Chain Shoe Replacement - Left Side
Secondary Camshaft Drive Chain Shoe Replacement - Right Side
Secondary Camshaft Drive Chain Tensioner Replacement - Left Side
Secondary Camshaft Drive Chain Tensioner Replacement - Right Side
Valve Lifter Replacement - Left Side
Valve Lifter Replacement - Right Side
Valve Rocker Arm Replacement - Left Side
Valve Rocker Arm Replacement - Right Side
Valve Stem Oil Seal and Valve Spring Replacement - Left Side
Valve Stem Oil Seal and Valve Spring Replacement - Right Side