Section 1443 (Engine Mechanical - 4.2L (Ll8))
WARNING: This page does not describe the selected car, but rather 6 other vehicles, including the 2004 Oldsmobile Bravada, 2004 GMC Envoy XUV, 2004 GMC Envoy XL, 2004 GMC Envoy, and 2004 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Fastener Tightening Specifications
- Engine Mechanical Specifications
- Sealers, Adhesives, and Lubricants
- Thread Repair Specifications
- Engine Block - Top View
- Engine Block - Bottom View
- Engine Block - Left Side View
- Engine Block - Right Side View
- Engine Block - Front View
- Engine Block - Rear View
- Cylinder Head - Top View
- Cylinder Head - End View (Front)
- Cylinder Head - End View (Rear)
- Cylinder Head - Intake Manifold Deck View
- Cylinder Head - Exhaust Manifold Deck View
- Oil Pan - Top View
- Oil Pan - Left Side View
- Oil Pan - Right Side View
- Oil Pan - Rear View
- Engine Front Cover
- Crankshaft Rear Oil Seal Housing
- Component Locator
- Timing Chain Routing Diagrams
- Diagnostic Information and Procedures
- Diagnostic Starting Point - Engine Mechanical
- Symptoms - Engine Mechanical
- 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
- Engine Compression Test
- Cylinder Leakage Test
- Oil Consumption Diagnosis
- Oil Pressure Diagnosis And Testing
- Oil Leak Diagnosis
- Crankcase Ventilation System Inspection/Description
- Drive Belt Chirping Diagnosis
- Drive Belt Squeal Diagnosis
- Drive Belt Whine Diagnosis
- Drive Belt Rumbling Diagnosis
- Drive Belt Vibration Diagnosis
- Drive Belt Falls Off Diagnosis
- Drive Belt Excessive Wear Diagnosis
- Drive Belt Tensioner Diagnosis
- Camshaft Position (CMP) Actuator Diagnosis
- Repair Instructions
- On-Vehicle Repair Instructions
- Drive Belt Replacement
- Drive Belt Tensioner Replacement
- Drive Belt Idler Pulley Replacement
- Engine Mount Inspection
- Engine Mount and Bracket Replacement - Left
- Engine Mount and Bracket Replacement - Right
- Crankcase Ventilation Hoses/Pipes Replacement
- Intake Manifold Replacement
- Camshaft Cover Replacement
- Valve Rocker Arm And Valve Lash Adjuster Replacement
- Valve Stem Oil Seal And Valve Spring Replacement
- Oil Level Indicator and Tube Replacement
- Cylinder Head Replacement
- Crankshaft Balancer Replacement
- Crankshaft Front Oil Seal Replacement
- Engine Front Cover Replacement
- Camshaft Position Actuator Replacement - Exhaust
- Timing Chain, Sprockets, And/Or TENSIONER Replacement
- Camshaft Replacement
- Oil Filter Adapter and Bypass Valve Assembly Replacement
- Oil Pan Replacement
- Engine Oil Pressure Sensor and/or Switch Replacement
- Oil Pump Replacement
- Crankshaft Rear Oil Seal And Housing Replacement
- Crankshaft Rear Oil Seal Replacement
- Engine Flywheel Replacement
- Engine Replacement
- Engine Oil and Oil Filter Replacement
- Off-Vehicle Repair Instructions
- Engine Flywheel Removal
- Draining Fluids and Oil Filter Removal
- Drive Belt Tensioner Removal
- Power Steering Pump Bracket Removal
- Drive Belt Idler Pulley Removal
- Oil Level Indicator and Tube Removal
- Exhaust Manifold Removal
- Oil Filter Adapter Removal
- Heater Inlet Hose Fitting Removal
- Heater Outlet Hose Fitting Removal
- Water Outlet Removal
- Water Pump Removal
- Thermostat Housing Removal
- Intake Manifold Removal
- Fuel Rail and Injectors Removal
- Camshaft Position Actuator Valve Removal
- Camshaft Cover Removal
- Oil Pan Removal
- Oil Pump Pipe and Screen Assembly Removal
- Crankshaft Balancer Removal
- Engine Front Cover Removal
- Oil Pump Removal
- Crankshaft Front Oil Seal Removal
- Timing Chain and Sprockets Removal
- Crankshaft Rear Oil Seal and Housing Removal
- Crankshaft Rear Oil Seal Removal
- Timing Chain Tensioner Removal
- Engine Lift Bracket Removal
- Camshaft Removal
- Valve Rocker Arm and Valve Lash Adjuster Removal
- Cylinder Head Removal
- Piston, Connecting Rod, And Bearing Removal
- Crankshaft and Bearings Removal
- Engine Block Plug Removal
- Engine Block Cleaning And Inspection
- Cylinder Honing
- Crankshaft And Bearings Cleaning And Inspection
- Crankshaft Balancer Cleaning and Inspection
- Engine Flywheel Cleaning and Inspection
- Piston And Connecting Rod Disassemble
- Piston, Connecting Rod, And Bearings Cleaning And Inspection
- Cylinder Sleeve Removal
- Cylinder Sleeve Installation
- Piston And Connecting Rod Assemble
- Camshafts Cleaning And Inspection
- Timing Chain and Sprockets Cleaning and Inspection
- Valve Rocker Arm and Valve Lash Adjuster Cleaning and Inspection
- Cylinder Head Disassemble
- Cylinder Head Cleaning And Inspection
- Cylinder Head Assemble
- Camshaft Cover Cleaning and Inspection
- Oil Pump Cleaning and Inspection
- Oil Pan Cleaning and Inspection
- Engine Front Cover Cleaning and Inspection
- Intake Manifold Cleaning and Inspection
- Exhaust Manifold Cleaning and Inspection
- Water Pump Cleaning and Inspection
- Thread Repair
- Service Prior To Assembly
- Engine PRELUBING
- Engine Block Plug Installation
- Crankshaft And Bearings Installation
- Piston, Connecting Rod, And Bearing Installation
- Cylinder Head Installation
- Valve Rocker Arm and Valve Lash Adjuster Installation
- Camshaft Installation
- Engine Lift Bracket Installation
- Timing Chain Tensioner Installation
- Timing Chain And Sprockets Installation
- Camshaft Cover Installation
- Camshaft Position Actuator Valve Installation
- Crankshaft Front Oil Seal Installation
- Oil Pump Installation
- Engine Front Cover Installation
- Water Pump Installation
- Crankshaft Rear Oil Seal And Housing Installation
- Oil Pump Pipe and Screen Assembly Installation
- Oil Pan Installation
- Crankshaft Balancer Installation
- Fuel Rail and Injectors Installation
- Intake Manifold Installation
- Thermostat Housing Installation
- Heater Inlet Hose Fitting Installation
- Heater Outlet Hose Fitting Installation
- Water Outlet Installation
- Oil Filter Adapter Installation
- Exhaust Manifold Installation
- Oil Level Indicator and Tube Installation
- Power Steering Pump Bracket Installation
- Drive Belt Tensioner Installation
- Drive Belt Idler Pulley Installation
- Crankshaft Rear Oil Seal Installation
- Engine Flywheel Installation
- On-Vehicle Repair Instructions
- Description and Operation
- Crankcase Ventilation System Description
- Drive Belt System Description
- Engine Component Description
- Exhaust Camshaft Position Actuator Description
- New Product Information
- Lubrication Description
- Cleanliness and Care
- Separating Parts
- Replacing Engine Gaskets
- Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealer
- Tools and Equipment
- Special Tools and Equipment