Engine Mechanical: Mechanical: Engine-3.9L

• Component Location
  • Engine Component Location View
    • Left Front View
    • Right Rear View
  • Accessory Drive Component Location Index
  • Engine Emission Control Component Location Index
• Specifications
  • General Specifications
  • Torque Specifications
• Description And Operation
  • Engine
    • Notes
    • Identification
    • Engine Code Information
    • Emission Calibration Label
    • Exhaust Emission Control System
    • Induction System
    • Crankshaft
    • Camshafts
    • Valve Train
    • Crankcase Ventilation System
    • Engine Lubrication System
    • Oil Pump
    • Engine Cooling System
    • Drive Belt System
  • Accessory Drive
    • Component Locations - 3.9L
  • Engine Emission Control
    • Notes
    • Typical Vehicle Emission Control Information (VECI) Decal
    • EGR System Components
• Diagnosis And Testing
  • Engine
  • Accessory Drive
    • Inspection and Verification
    • Drive Belt Cracking/Chunking/Wear
      • V-Ribbed Serpentine Drive Belt With Cracks Across Ribs
      • V - Ribbed Belt With Chunks of Rib Missing
      • V - Ribbed Belt With Piling
    • Symptom Chart
      • Symptom Chart
    • Component Tests
      • Drive Belt Noise/Flutter
      • Belt Tension
      • Belt Tensioner, Automatic
      • Drive Belt Misalignment
  • Engine Emission Control
• General Procedures
  • Valve Clearance Check
  • Valve Clearance Adjustment
• In-Vehicle Repair
  • Accessory Drive Belt, Tensioner and Pulley
  • Exhaust Gas Recirculation (EGR) Valve
    • Notes
    • Item 3: EGR System Module Removal Note
    • Item 5: Intake Manifold Removal Note
    • Item 5: Intake Manifold Installation Note
    • Item 3: EGR System Module Installation Note
  • Intake Manifold
    • Material
    • Items 7 and 9: Engine Appearance Cover Support Bracket Removal Note
    • Item 11: Fuel Charge Manifold Removal Note
    • Items 16, 17, and 18: Intake Manifold Removal Note
    • Items 16, 17, and 18: Intake Manifold Installation Note
    • Item 11: Fuel Charge Manifold Installation Note
    • Item 7 and 9: Engine Appearance Cover Support Bracket Installation Note
  • Valve Cover LH
    • Material
    • Item 8: LH Valve Cover Removal Note
    • Item 8: LH Valve Cover Installation Note
  • Valve Cover RH
    • Material
    • Item 8: RH Valve Cover Removal Note
    • Item 8: RH Valve Cover Installation Note
  • Crankshaft Pulley and Crankshaft Seal
    • Special Tool(s)
    • Material
    • Items 1-3: Crankshaft Pulley, Bolt and Washer Removal Note
    • Item 4: Front Crankshaft Seal Removal Note
    • Item 4: Front Crankshaft Seal Installation Note
    • Items 1-3: Crankshaft Pulley, Bolt and Washer Installation Note
  • Engine Front Cover
    • Material
    • Items 1, 2, and 3: Engine Front Cover Removal Note
    • Items 1, 2, and 3: Engine Front Cover Installation Note
  • Timing Drive Components
    • Special Tool(s)
    • Material
    • Items 7-20: Timing Drive Components Removal Note
    • Items 21-25, and 27: RH Variable Camshaft Timing (VCT) Unit, Exhaust Camshaft Sprocket and Secondary Timing Chain Removal Note
    • Items 28-32, and 34: LH Variable Camshaft Timing (VCT) Unit, Exhaust Camshaft Sprocket and Secondary Timing Chain Removal Note
    • Items 28-32, and 34: LH Variable Camshaft Timing (VCT) Unit, Exhaust Camshaft Sprocket and Secondary Timing Chain Installation Note
    • Items 21-25, and 27: RH Variable Camshaft Timing (VCT) Unit, Exhaust Camshaft Sprocket and Secondary Timing Chain Installation Note
    • Items 7-20: Timing Drive Components Installation Note
  • Camshaft, Valve Springs and Valve Seals
    • Special Tool(s)
    • Material
    • Items 1-6: Camshaft Removal Note
    • Items 1-7: Camshaft Installation Note
  • Exhaust Manifold - RH
    • Notes
    • Items 9 and 10: RH Exhaust Manifold Installation Note
  • Exhaust Manifold - LH
    • Notes
    • Item 8: LH Exhaust Manifold Removal Note
    • Items 7 and 8: LH Exhaust Manifold Installation Note
  • Oil Cooler
    • Material
    • Item 9: Oil Cooler Installation Note
    • Items 7 and 8: Oil Filter and Gasket Installation Note
  • Oil Filter Adapter
    • Material
    • Item 14: Oil Filter Adapter Removal Note
    • Item 14: Oil Filter Adapter Installation Note
    • Item 9: Oil Cooler Installation Note
    • Items 7 and 8: Oil Filter and Gasket Installation Note
  • Oil Level Indicator and Tube
  • Oil Pan, Oil Pump, Oil Pump Screen and Pickup Tube
    • Material
    • Item 1: Oil Pan Bolts Removal Note
    • Items 4 and 5: Oil Pump Screen and Pickup Tube Removal Note
    • Items 6-8: Oil Pump Removal Note
    • Items 6-8: Oil Pump Installation Note
    • Items 4 and 5: Oil Pump Screen and Pickup Tube Installation Note
    • Items 1-3: Oil Pan Installation Note
  • Flexplate or Flywheel and Crankshaft Rear Seal
    • Special Tool(s)
    • Material
    • Item 3: Crankshaft Rear Seal Removal Note
    • Item 3: Crankshaft Rear Seal Installation Note
    • Items 1 and 2: Flexplate Installation Note
  • Engine Mount
    • Special Tool(s)
    • Item 12: RH Motor Mount Bracket Removal Note
    • Item 12: RH Motor Mount Bracket Installation Note
• Removal
  • Cylinder Heads
    • Special Tool(s)
    • Material
    • Items 1 and 2: Flanged Plug Removal Note
    • Item 9: Coolant Pump Pulley Bolts Removal Note
    • Item 15: Coolant Pump Pulley Removal Note
    • Items 16-18: Crankshaft Pulley Removal Note
    • Item 19: Crankshaft Front Seal Removal Note
    • Items 27-30: RH and LH Coil Cover Removal Note
    • Items 41 and 42: Engine Cover Support Bracket Removal Note
    • Item 43: Engine Wiring Harness Removal Note
    • Item 52: EGR System Module Removal Note
    • Items 65-67 Intake Manifold Removal Note
    • Items 69-71: RH Valve Cover Removal Note
    • Items 73-75: LH Valve Cover Removal Note
    • Item 86: RH Exhaust Manifold Removal Note
    • Items 89 and 90: Engine Front Cover Removal Note
    • Items 97-115, 112-122, 124: Timing Drive Components Removal Note
    • Items 126-141: RH and LH Camshaft Removal Note
    • Items 142-147: RH and LH Cylinder Head Removal Note
  • Engine
    • Special Tool(s)
    • Item 4: Vacuum Hose Removal Note
    • Item 16: Heater Hoses Removal Note
    • Item 17: Water Valve Electrical Connector Removal Note
    • Item 28: A/C Low Pressure Hose Removal Note
    • Item 30: Anti-lock Brake Sensor Harness Removal Note
    • Item 34: Upper Ball Joint Nut Removal Note
    • Item 37: Anti-lock Brake Sensor Harness Removal Note
    • Item 39: Brake Caliper Removal Note
    • Item 41: Upper Ball Joint Nut Removal Note
    • Item 43: Shift Cable Removal Note
    • Item 44: Shift Cable Removal Note
    • Item 45: Power Steering Rack Electrical Connector Removal Note
    • Item 58: Transmission to Engine Bolt Removal Note
    • Item 60: Torque Converter Nut Removal Note
    • Item 61: Engine and Transmission Removal Note
    • Item 66: Engine and Transmission Assembly Removal Note
    • Item 67: Engine Block Heater Removal Note
    • Item 80: Engine and Transmission Assembly Removal Note
    • Item 88: Engine and Transmission Removal Note
    • Item 90 and 91: Engine Wiring Harness Removal Note
    • Item 92: Engine to Transmission Bolt Removal Note
• Disassembly
  • Engine
    • Special Tool(s)
    • Disassembly
    • Items 1 and 2: Flexplate Disassembly Note
    • Item 3: Crankshaft Rear Seal Disassembly Note
    • Items 36 and 38: RH and LH Coil Cover Disassembly Note
    • Item 39: Engine Wiring Harness Disassembly Note
    • Items 65-67: Crankshaft Pulley Disassembly Note
    • Item 68: Crankshaft Front Seal Disassembly Note
    • Item 74: Fuel Charge Manifold Disassembly Note
    • Items 79-81: Intake Manifold Disassembly Note
    • Items 83-85: RH Valve Cover Disassembly Note
    • Items 87-89: LH Valve Cover Disassembly Note
    • Items 112 and 113: Engine Front Cover Disassembly Note
    • Item 114: Sump Body Assembly Disassembly Note
    • Items 121-139, 141-146, 148: Timing Drive Components Disassembly Note
    • Items 150-165: RH and LH Camshaft Disassembly Note
    • Items 166-167 and 169-170: RH and LH Cylinder Head Disassembly Note
• Disassembly And Assembly Of Subassemblies
  • Cylinder Head
    • Special Tool(s)
    • Material
    • Items 1-10: Retainer Keys, Retainers, Valve Spring, Valve Seals, and Valves Disassembly Note
    • Items 10-1: Retainer Keys, Retainers, Valve Spring, Valve Seals, and Valves Assembly Note
• Assembly
  • Engine
    • Special Tool(s)
    • Material
    • Items 2-7: Cylinder Head Assembly Note
    • Items 9-15, 17-23: RH and LH Camshaft Assembly Note
    • Items 25-52: Timing Drive Components Assembly Note
    • Items 53 and 56: Variable Cam Timing (VCT) Bush Carrier Assembly Note
    • Item 59: Sump Body Assembly Note
    • Items 60 and 61: Engine Front Cover Assembly Note
    • Items 63-64 and 69-70: Exhaust Manifold Assembly Note
    • Items 83-90: RH and LH Valve Cover Assembly Note
    • Items 92-94: Intake Manifold Assembly Note
    • Item 105: Front Crankshaft Seal Assembly Note
    • Items 106-108: Crankshaft Pulley Assembly Note
    • Item 134: Engine Wiring Harness Assembly Note
    • Items 135 and 137: RH and LH Coil Cover assembly Note
    • Items 158 and 159: Oil Filter and Seal Assembly Note
    • 170: Crankshaft Rear Seal Assembly Note
    • Items 171 and 172: Flexplate Assembly Note
• Installation
  • Cylinder Heads
    • Special Tool(s)
    • Material
    • Items 1-6: RH and LH Cylinder Head Installation Note
    • Items 7-22: RH and LH Camshaft Installation Note
    • Items 24-51: Timing Drive Components Installation Note
    • Items 52 and 55: Variable Cam Timing (VCT) Bush Carrier Installation Note
    • Items 58 and 59: Engine Front Cover Installation Note
    • Items 61-62 and 67-68: Exhaust Manifold Installation Note
    • Item 67: RH Exhaust Manifold Installation Note
    • Items 72-79: RH and LH Valve Cover Installation Note
    • Items 81-83: Intake Manifold Installation Note
    • Item 96: EGR System Module Installation Note
    • Item 103: Engine Wiring Harness Installation Note
    • Items 106 and 107: Engine Cover Support Bracket Installation Note
    • Items 122-125: RH and LH Coil Cover Installation Note
    • Item 129: Front Crankshaft Seal Installation Note
    • Items 130-132: Crankshaft Pulley Installation Note
    • Item 134: Coolant Pump Pulley Bolt Installation Note
    • Items 144 and 145: Oil Filter and Seal Installation Note
  • Engine
    • Special Tool(s)
    • Material
    • Item 1: Engine-to-Transmission Bolts Installation Note
    • Item 5: Engine and Transmission Assembly Installation Note
    • Item 26: Block Heater Electrical Connector Installation Note
    • Item 27: Engine and Transmission Assembly Installation Note
    • Item 32: Engine and Transmission Assembly Installation Note
    • Item 48: Steering Rack Electrical Connectors Installation Note
    • Item 49: Shift Cable Installation Note
    • Item 50: Shift Cable Installation Note
    • Items 54 and 61: Brake Caliper Installation Note
    • Items 56 and 63: Anti-Lock Brake Sensor Harness Installation Note
    • Item 65: Low Pressure Hose Installation Note
    • Item 76: Coolant Valve Electrical Connector Installation Note
    • Item 77: Heater Hoses Installation Note
    • Item 89: Vapor Management Valve Vacuum Hose Installation Note