Engine Mechanical - 4.8L, 5.3L, 6.0L Or 6.2L (1 Of 5)

• Specifications
  • Fastener Tightening Specifications
  • Engine Mechanical Specifications
    • Engine Mechanical Specifications (RPO LY2 VIN C)
    • Engine Mechanical Specifications (RPO LMG VIN 0)
    • Engine Mechanical Specifications (RPO LY5 VIN J)
    • Engine Mechanical Specifications (RPO LC9 VIN 3)
    • Engine Mechanical Specifications (RPO L76 VIN Y)
    • Engine Mechanical Specifications (RPO LY6 VIN K)
    • Engine Mechanical Specifications (RPO L92 VIN 8)
  • Engine Content Specifications
  • Adhesives, Fluids, Lubricants, and Sealers
  • Thread Repair Specifications
    • 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 and Routing Diagrams
  • Engine Mechanical Schematics
• Component Locator
  • Disassembled Views
  • Engine Identification
• Diagnostic Information and Procedures
  • Diagnostic Starting Point - Engine Mechanical
  • Symptoms - Engine Mechanical
    • 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
  • 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
  • Cylinder Deactivation (Active Fuel Management) System Diagnosis
  • Engine Compression Test
  • Cylinder Deactivation (Active Fuel Management) System Compression Test
  • Cylinder Leakage Test
    • Tools Required
    • Test
  • Oil Consumption Diagnosis
  • Oil Pressure Diagnosis and Testing
    • Notes
    • Testing
  • Cylinder Deactivation (Active Fuel Management) Oil Pressure Relief Valve Diagnosis and Testing
    • Notes
    • Testing
  • Cylinder Deactivation (Active Fuel Management) Valve Lifter Oil Manifold Diagnosis and Testing
    • Notes
    • Testing
  • Camshaft Position Actuator and Solenoid Valve Diagnosis and Testing
  • 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
• Description and Operation
  • Crankcase Ventilation System Description
  • Drive Belt System Description
  • Engine Component Description
    • The 4.8, 5.3, 6.0, and 6.2 Liter V8 Engines
    • Camshaft and Drive System - RPO LY2/LC9/LY5/LMG
    • Camshaft and Drive System - RPO LY6/L76/L92
    • Crankshaft
    • Cylinder Heads
    • Engine Block - RPO LC9/L76/L92
    • Engine Block - RPO LY2/LY5/LMG/LY6
    • Exhaust Manifolds
    • Intake Manifold
    • Oil Pan
    • Piston and Connecting Rod Assembly
    • Valve Rocker Arm Cover Assemblies
    • Valve Train - RPO LY2/LY6/L92
    • Valve Train - RPO LC9/LY5/LMG/L76
  • Cylinder Deactivation (Active Fuel Management) System Description
    • System Operation
    • Valve Lifter Oil Manifold Assembly
    • Active Fuel Management Valve Lifters
    • Engine Block
    • Engine Control Module (ECM)
  • Camshaft Position Actuator and Solenoid Valve Description
    • Camshaft
    • CMP Actuator Solenoid Valve
    • CMP Actuator Magnet
    • CMP Actuator
    • CMP System Operation
    • CMP System Lubrication Flow and Actuator Operation
    • CMP Actuator Park Position Verification
    • CMP Actuator Handling Safety
  • New Product Information
    • Notes
    • Changed Engine Specifications
    • Torque Values and/or Fastener Tightening Strategies
    • New Sealants and/or Adhesives
    • Disassembly and Assembly Procedure Revisions
    • Engine Mechanical Diagnostic Procedure Revisions
    • New Special Tools Required
    • A Component Comparison from the Previous Year
  • Lubrication Description (RPO LY2)
  • Lubrication Description (RPO LC9/LY5/LMG)
  • Lubrication Description (RPO LY6/L92)
  • Lubrication Description (RPO L76)
  • Lubrication Description - Main Pressure Below 55 psi with Cylinder Deactivation (Active Fuel Management) Off (RPO LC9/LY5/LMG)
  • Lubrication Description - Main Pressure Below 55 psi with Cylinder Deactivation (Active Fuel Management) Off (RPO L76)
  • Lubrication Description - Main Pressure Above 55 psi with Cylinder Deactivation (Active Fuel Management) Off (RPO LC9/LY5/LMG)
  • Lubrication Description - Main Pressure Above 55 psi with Cylinder Deactivation (Active Fuel Management) Off (RPO L76)
  • Lubrication Description - Main Pressure Below 55 psi with Cylinder Deactivation (Active Fuel Management) On (RPO LC9/LY5/LMG)
  • Lubrication Description - Main Pressure Below 55 psi with Cylinder Deactivation (Active Fuel Management) On (RPO L76)
  • Lubrication Description - Main Pressure Above 55 psi with Cylinder Deactivation (Active Fuel Management) On (RPO LC9/LY5/LMG)
  • Lubrication Description - Main Pressure Above 55 psi with Cylinder Deactivation (Active Fuel Management) On (RPO L76)
  • Cleanliness and Care
  • Separating Parts
  • Replacing Engine Gaskets
    • Tools Required
    • Gasket Use and Applying Sealants
    • Separating Components
    • Cleaning Gasket Surfaces
    • Assembling Components
  • Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
    • Pipe Joint Compound
    • RTV Sealer
    • Anaerobic Sealer
  • Tools and Equipment
• Special Tools and Equipment
  • Special Tools