Engine Mechanical - 6.2L (LS3)

• Specifications
  • Fastener Specifications (LS3)
  • Engine Mechanical Specifications (LS3)
  • Adhesives, Fluids, Lubricants, and Sealers
  • Thread Repair Specifications (LS3)
    • Engine Block- Front/Rear Views
    • Engine Block- Left/Right Side Views
    • Engine Block- Top/Bottom Views
    • Cylinder Head- Top/End Views
    • Cylinder Head- Intake/Exhaust Side Views
• Schematic Wiring Diagrams
  • Engine Mechanical Wiring Schematics
    • Engine Oil Level
• Component Locator
  • Disassembled Views (LS3)
    • Intake Manifold/Upper Engine
    • Cylinder Head/Upper Engine
    • Front of Engine
    • Rear of Engine
    • Lower Engine Assembly
    • Engine Block Plugs/Sensors
    • Oil Pump Assembly
  • Engine Identification
• Diagnostic Information and Procedures
  • Symptoms - Engine Mechanical (LS3)
    • Strategy Based Diagnostics
    • Visual/Physical Inspection
    • Intermittent
    • Symptom List
  • Base Engine Misfire without Internal Engine Noises
  • Base Engine Misfire with Abnormal Internal Lower Engine Noises
  • Base Engine Misfire with Abnormal Valve Train Noise (LS3)
  • Base Engine Misfire with Coolant Consumption
  • Base Engine Misfire with Excessive Oil Consumption
  • Engine Noise on Start-Up, but Only Lasting a Few Seconds
  • Upper Engine Noise, Regardless of Engine Speed
  • Lower Engine Noise, Regardless of Engine Speed
  • Engine Noise Under Load
  • Engine Will Not Crank - Crankshaft Will Not Rotate
  • Coolant in Combustion Chamber
  • Coolant in Engine Oil
  • Engine Compression Test
  • Engine Balancing (LS3)
  • Cylinder Leakage Test
  • Oil Consumption Diagnosis
  • Oil Pressure Diagnosis and Testing (LS3)
  • Engine Oil Level Sensor Diagnosis
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Repair Instructions
  • Engine Oil Temperature Sensor Diagnosis
    • Diagnostic Instructions
    • Diagnostic Fault Information
    • Typical Scan Tool Data
    • Circuit/System Description
    • Reference Information
    • Circuit/System Verification
    • Circuit/System Testing
    • Component Testing
    • Repair Instructions
  • Oil Leak Diagnosis
  • Crankcase Ventilation System Inspection/Diagnosis
  • Drive Belt Chirping, Squeal, and Whine Diagnosis
    • Diagnostic Aids
    • Test Description
  • Drive Belt Rumbling and Vibration Diagnosis
    • Diagnostic Aids
    • Test Description
  • Drive Belt Falls Off and Excessive Wear Diagnosis
    • Diagnostic Aids
    • Test Description
  • Drive Belt Tensioner Diagnosis
• Repair Instructions - On Vehicle
  • Drive Belt Replacement - Accessory
  • Air Conditioning Compressor Belt Replacement
    • Removal Procedure
    • Installation Procedure
  • Drive Belt Idler Pulley Replacement
  • Drive Belt Tensioner Replacement - Accessory
    • Removal Procedure
    • Installation Procedure
  • Drive Belt Tensioner Replacement - Air Conditioning
  • Engine Cover Replacement
  • Engine Support Fixture
    • Special Tools
    • Installation Procedure
    • Removal Procedure
  • Engine Mount Inspection
  • Engine Mount Replacement - Left Side
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Engine Mount Bracket Replacement - Left Side
    • Removal Procedure
    • Installation Procedure
  • Engine Mount Replacement - Right Side
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Engine Mount Bracket Replacement - Right Side
    • Removal Procedure
    • Installation Procedure
  • Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Clean Air)
  • Positive Crankcase Ventilation Hose/Pipe/Tube Replacement (Dirty Air)
  • Intake Manifold Replacement
    • Removal Procedure
    • Installation Procedure
  • Valve Lifter Oil Manifold Replacement
    • Removal Procedure
    • Installation Procedure
  • Valve Lifter Oil Filter Replacement
    • Removal Procedure
    • Installation Procedure
  • Valve Rocker Arm Cover Replacement - Left Side
    • Removal Procedure
    • Installation Procedure
  • Valve Rocker Arm Cover Replacement - Right Side
    • Removal Procedure
    • Installation Procedure
  • Valve Rocker Arm and Push Rod Replacement
    • Removal Procedure
    • Installation Procedure
  • Valve Stem Oil Seal and Valve Spring Replacement
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Oil Level Indicator Tube Replacement
    • Removal Procedure
    • Installation Procedure
  • Cylinder Head Replacement - Left Side
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Cylinder Head Replacement - Right Side
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Valve Lifter Replacement
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Crankshaft Balancer Replacement
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Crankshaft Front Oil Seal Replacement
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Engine Front Cover Replacement
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Crankshaft Rear Oil Seal Replacement (Automatic Transmission)
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Crankshaft Rear Oil Seal Replacement (Manual Transmission)
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Crankshaft Rear Oil Seal Housing Replacement (Automatic Transmission)
    • Special Tools
    • Removal Procedure
    • Installation Procedure - Cover with Seal
    • Installation Procedure - Cover without Seal
  • Crankshaft Rear Oil Seal Housing Replacement (Manual Transmission)
    • Special Tools
    • Removal Procedure
    • Installation Procedure - Cover with Seal
    • Installation Procedure - Cover without Seal
  • Oil Filter Adapter Replacement
    • Removal Procedure
    • Installation Procedure
  • Oil Pan Cover Replacement
    • Removal Procedure
    • Installation Procedure
  • Oil Pan Replacement
    • Removal Procedure
    • Installation Procedure
  • Engine Oil Pressure Sensor and/or Switch Replacement
    • Tools Required
    • Removal Procedure
    • Installation Procedure
  • Engine Oil Level Sensor and/or Switch Replacement
    • Removal Procedure
    • Installation Procedure
  • Oil Pump, Screen, and Crankshaft Oil Deflector Replacement
    • Removal Procedure
    • Installation Procedure
  • Camshaft Timing Chain and Sprocket Replacement
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Camshaft Replacement
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Engine Flywheel Replacement
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Automatic Transmission Flex Plate Replacement
    • Removal Procedure
    • Installation Procedure
  • Engine Replacement (Automatic Transmission)
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Engine Replacement (Manual Transmission)
    • Special Tools
    • Removal Procedure
    • Installation Procedure
  • Engine Oil and Oil Filter Replacement
    • Removal Procedure
    • Installation Procedure
• Repair Instructions - Off Vehicle
  • Draining Fluids and Oil Filter Removal (LS3)
  • Engine Wiring Harness Assembly Removal
  • Crankshaft Balancer Removal
  • Automatic Transmission Flex Plate Removal
  • Clutch Pilot Bearing Removal
  • Oil Level Indicator and Tube Removal
  • Exhaust Manifold Removal - Left Side (Except HSV)
  • Exhaust Manifold Removal - Right Side (Except HSV)
  • Exhaust Manifold Removal - Right Side (HSV)
  • Water Pump Removal
  • Throttle Body Assembly Removal (LS3)
  • Throttle Position Sensor Removal
  • Fuel Rail and Injectors Removal (LS3)
  • Intake Manifold Removal
  • Engine Coolant Air Bleed Pipe and Hole Cover Removal (LS3)
  • Engine Block Valley Cover Removal
  • Valve Lifter Oil Filter Removal
  • Valve Rocker Arm Cover Removal - Left Side (LS3)
  • Valve Rocker Arm Cover Removal - Right Side (LS3)
  • Valve Rocker Arm and Push Rod Removal
  • Cylinder Head Removal - Left Side
  • Cylinder Head Removal - Right Side
  • Valve Lifter Removal (LS3)
  • Oil Filter, Adapter, and Pan Cover Removal
  • Engine Oil Cooler Removal
  • Oil Pan Removal
    • Removal Procedure
  • Engine Front Cover Removal
  • Crankshaft Rear Oil Seal Housing Removal
  • Oil Pump, Screen and Crankshaft Oil Deflector Removal
  • Timing Chain and Sprocket Removal
  • Camshaft Removal
  • Piston, Connecting Rod, and Bearing Removal
  • Crankshaft and Bearing Removal
  • Engine Block Plug Removal (LS3)
  • Engine Block Cleaning and Inspection
    • Special Tools
    • Cleaning Procedure
    • Inspection Procedure
    • Measuring the Cylinder for Oversize
  • Crankshaft and Bearing Cleaning and Inspection
    • Special Tools
    • Cleaning Procedure
    • Inspection Procedure
    • Measuring Main Bearing Clearance - Gaging Plastic Method
    • Measuring Connecting Rod Bearing Clearance - Gaging Plastic Method
    • Measuring Connecting Rod Bearing Clearance - Using J 43690/J 43690-100
  • Crankshaft Balancer Cleaning and Inspection
  • Automatic Transmission Flex Plate Cleaning and Inspection
    • Cleaning Procedure
    • Inspection Procedure
  • Piston and Connecting Rod Disassemble
  • Piston, Connecting Rod, and Bearing Cleaning and Inspection
    • Piston, Pin, and Piston Rings
    • Measuring Piston Ring End Gap
    • Connecting Rod and Bearings
  • Piston and Connecting Rod Assemble
  • Camshaft Bearing Removal
    • Notes
    • Tool Usage Information
  • Camshaft and Bearings Cleaning and Inspection
    • Special Tools
    • Measuring Camshaft Lobe Lift
    • Camshaft and Bearings Cleaning and Inspection
  • Camshaft Bearing Installation
  • Camshaft Timing Chain and Sprocket Cleaning and Inspection
  • Valve Rocker Arm and Push Rod Cleaning and Inspection
  • Valve Lifter and Guide Cleaning and Inspection
    • Non Active Fuel Management Valve Lifters
    • Active Fuel Management Valve Lifters
    • Valve Guides
  • Cylinder Head Disassemble
  • Cylinder Head Cleaning and Inspection
  • Valve Guide Reaming, and Valve and Seat Grinding
    • Special Tools
    • Valve Guide Reaming
    • Valve and Seat Grinding
  • Cylinder Head Assemble
  • Oil Pump Disassemble
  • Oil Pump Cleaning and Inspection (LS3)
  • Oil Pump Assemble
  • Engine Front Cover Cleaning and Inspection
  • Crankshaft Rear Oil Seal Housing Cleaning and Inspection
  • Engine Block Valley Cover Cleaning and Inspection
  • Valve Rocker Arm Cover Cleaning and Inspection
  • Oil Pan Cleaning and Inspection
  • Engine Oil Cooler Disassemble
  • Engine Oil Cooler Cleaning and Inspection
  • Engine Oil Cooler Assemble
  • Engine Oil Tank Hose/Pipe Quick-Connect Fitting Disconnection and Connection
    • Removal Procedure
    • Installation Procedure
  • Intake Manifold Cleaning and Inspection
    • Cleaning Procedure
    • Inspection Procedure
  • Exhaust Manifold Cleaning and Inspection
  • Engine Coolant Air Bleed Pipe and Hole Cover Cleaning and Inspection
  • Water Pump Cleaning and Inspection
  • Thread Repair
    • Special Tools
    • General Thread Repair
    • Cylinder Head Bolt Hole Thread Repair
    • Main Cap Bolt Hole Thread Repair
  • Service Prior to Assembly
  • Engine Block Plug Installation (LS3)
  • Engine Wiring Harness Assembly Installation
  • Crankshaft and Bearing Installation
  • Piston, Connecting Rod, and Bearing Installation
    • Special Tools
    • Piston Selection
    • Piston, Pin, and Connecting Rod Installation
  • Camshaft Installation
  • Timing Chain and Sprocket Installation
  • Oil Pump, Screen and Crankshaft Oil Deflector Installation
  • Crankshaft Rear Oil Seal Housing Installation
  • Crankshaft Rear Oil Seal Installation
  • Engine Front Cover Installation
  • Crankshaft Front Oil Seal Installation
  • Oil Pan Installation
  • Engine Oil Cooler Installation
  • Oil Filter, Adapter, and Pan Cover Installation
  • Valve Lifter Installation
  • Cylinder Head Installation - Left Side (LS3)
  • Cylinder Head Installation - Right Side (LS3)
  • Valve Rocker Arm and Push Rod Installation
  • Valve Rocker Arm Cover Installation - Left Side (LS3)
  • Valve Rocker Arm Cover Installation - Right Side (LS3)
  • Engine Block Valley Cover Installation
  • Valve Lifter Oil Filter Installation
  • Engine Coolant Air Bleed Pipe and Hole Cover Installation (LS3)
  • Intake Manifold Installation
  • Fuel Rail and Injectors Installation
  • Throttle Position Sensor Installation
  • Throttle Body Assembly Installation (LS3)
  • Water Pump Installation
  • Exhaust Manifold Installation - Left Side (Except HSV)
  • Exhaust Manifold Installation - Right Side (Except HSV)
  • Exhaust Manifold Installation - Right Side (HSV)
  • Oil Level Indicator and Tube Installation
  • Clutch Pilot Bearing Installation
  • Automatic Transmission Flex Plate Installation
  • Crankshaft Balancer Installation (LS3)
  • Engine Prelubing (LS3)
• Description and Operation
  • Crankcase Ventilation System Description
    • Notes
    • L98 Engine
  • Drive Belt System Description
  • Engine Component Description (LS3)
    • Notes
    • Camshaft and Drive System
    • Crankshaft
    • Cylinder Heads
    • Engine Block
    • Exhaust Manifolds
    • Intake Manifold
    • Oil Pan
    • Piston and Connecting Rod Assembly
    • Valve Rocker Arm Cover Assemblies
    • Valve Train
  • Lubrication Description (LS3)
  • Cleanliness and Care
  • Separating Parts
  • Replacing Engine Gaskets
    • Special Tools
    • Gasket Use and Applying Sealants
    • Separating Components
    • Cleaning Gasket Surfaces
    • Assembling Components
  • Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
    • Cleaning Mating Part Surfaces for RTV Joints
    • Typical Applications
    • Materials Needed
    • Sealant Types
  • Tools and Equipment
• Special Tools and Equipment
  • Special Tools