Section 418 (Engine Mechanical - 4.2L 6-Cylinder (On-Vehicle))
WARNING: This page is about a different car, the 2002 Oldsmobile Bravada, 2002 GMC Envoy XL, 2002 GMC Envoy, and 2002 Chevrolet TrailBlazer. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- 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
- Engine Compression 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
- 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
- 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 Exhaust Actuator Replacement
- 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
- Engine Flywheel Replacement
- Engine Replacement
- Engine Oil and Oil Filter Replacement
- Description and Operation
- Special Tools and Equipment
- Torque Specifications