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Specifications.................................................... 1C–34
Fastener Tightening Specifications -
Engine Controls - 3.6L (LY7) ......................... 1C–34
Special Tools and Equipment .......................... 1C–34
Special Tools - Engine Controls - 3.6L (LY7)... 1C–34
Engine Mechanical ................................. 1D–1
Precautions.......................................................... 1D–1
Torque Reaction Against Timing
Drive Chain Notice ........................................... 1D–1
General Description ............................................ 1D–1
Drive Belt System Description ........................... 1D–1
Engine Component Description ......................... 1D–1
Cleanliness and Care......................................... 1D–3
Separating Parts ................................................ 1D–3
Replacing Engine Gaskets................................. 1D–4
Use of Room Temperature Vulcanizing (RTV)
and Anaerobic Sealer ...................................... 1D–4
Schematic and Routing Diagram....................... 1D–6
Camshaft Timing Drive Chain Alignment Diagram
(Third Design) .................................................. 1D–6
Camshaft Timing Drive Chain Alignment Diagram
(Fourth Design) ................................................ 1D–9
Component Location ........................................ 1D–12
Disassembled Views ........................................ 1D–12
Diagnostic Information and Procedures......... 1D–26
Diagnostic Starting Point -
Engine Mechanical......................................... 1D–26
Symptoms - Engine Mechanical ...................... 1D–26
Base Engine Misfire without Internal Engine
Noises ............................................................ 1D–27
Base Engine Misfire with
Abnormal Internal Lower Engine Noises........ 1D–28
Base Engine Misfire with
Abnormal Valve Train Noise .......................... 1D–29
Base Engine Misfire with
Coolant Consumption .................................... 1D–29
Base Engine Misfire with
Excessive Oil Consumption ........................... 1D–29
Engine Noise on Start-Up,
but Only Lasting a Few Seconds ................... 1D–29
Upper Engine Noise, Regardless of
Engine Speed ................................................ 1D–30
Lower Engine Noise, Regardless of
Engine Speed ................................................ 1D–30
Engine Noise Under Load ................................ 1D–31
Engine Will Not Crank -
Crankshaft Will Not Rotate............................. 1D–32
Coolant in Combustion Chamber ..................... 1D–33
Coolant in Engine Oil ....................................... 1D–33
Engine Compression Test................................ 1D–34
Cylinder Leakage Test ..................................... 1D–34
Crankcase Ventilation System
Inspection/Diagnosis...................................... 1D–35
Drive Belt Chirping, Squeal, and
Whine Diagnosis ............................................ 1D–35
Drive Belt Rumbling and Vibration Diagnosis .. 1D–38
Drive Belt Falls Off and
Excessive Wear Diagnosis ............................ 1D–40
Drive Belt Tensioner Diagnosis........................ 1D–41
Vibration Analysis - Engine .............................. 1D–42
Vibration Analysis -
Engine/Accessory Isolation ............................ 1D–44
Vibration Analysis - Engine Balance ................ 1D–50
Engine Order Classification.............................. 1D–55
Repair Instructions ........................................... 1D–58
Air Cleaner Outlet Duct Replacement .............. 1D–58
Air Cleaner Element Replacement................... 1D–59
Air Cleaner Assembly Replacement ................ 1D–60
Throttle Body Assembly Replacement ............. 1D–61
Throttle Body Service....................................... 1D–62
Drive Belt Replacement ................................... 1D–62
Drive Belt Tensioner Replacement .................. 1D–63
Drive Belt Idler Pulley Replacement................. 1D–64
Engine Mount Inspection.................................. 1D–65
Engine Rear Mount Replacement .................... 1D–66
Engine Mount Replacement - Right Side ......... 1D–66
Engine Mount Bracket Replacement -
Right Side....................................................... 1D–68
Engine Mount Strut Replacement -
Right Side....................................................... 1D–70
Engine Mount Strut Bracket Replacement -
Right Side....................................................... 1D–71
Fuel Injector Sight Shield Replacement ........... 1D–72
Crankcase Ventilation Hoses/
Pipes Replacement (Front) ............................ 1D–72
Crankcase Ventilation Hoses/
Pipes Replacement (Rear)............................. 1D–73
Upper Intake Manifold Replacement................ 1D–73
Lower Intake Manifold Replacement................ 1D–77
Crankshaft Balancer Replacement .................. 1D–77
Crankshaft Front Oil Seal Replacement........... 1D–79
Camshaft Cover Replacement - Left Side........ 1D–80
Camshaft Cover Replacement - Right Side ..... 1D–82
Engine Front Cover Replacement.................... 1D–84
Secondary Camshaft Drive Chain
Replacement - Left Side................................. 1D–88
Secondary Camshaft Drive Chain
Replacement - Right Side .............................. 1D–89
Secondary Camshaft Drive Chain Tensioner
Replacement - Left Side................................. 1D–90
Secondary Camshaft Drive Chain Tensioner
Replacement - Right Side .............................. 1D–90
Secondary Camshaft Drive Chain Shoe
Replacement - Left Side................................. 1D–91
Secondary Camshaft Drive Chain Shoe
Replacement - Right Side .............................. 1D–92
Secondary Camshaft Drive Chain Guide
Replacement - Left Side................................. 1D–93
Secondary Camshaft Drive Chain Guide
Replacement - Right Side .............................. 1D–94
Primary Camshaft Drive Chain and Sprockets
Replacement .................................................. 1D–95
Camshaft Intermediate Drive Chain Idler
Sprocket Replacement - Left Side ................. 1D–97
Primary Camshaft Drive Chain Tensioner
Replacement .................................................. 1D–99
Primary Camshaft Drive Chain Guide
Replacement - Lower ................................... 1D–100
Table of Contents 1- iii
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Table of Contents
Troubleshooting
