Section 437 (Engine Mechanical - 4.8L, 5.3L, & 6.0L (On-Vehicle))
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2002 GMC Yukon XL, 2002 GMC Yukon, 2002 Chevrolet Tahoe, 2002 Chevrolet Suburban, and 2002 Chevrolet Avalanche. 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 (Mechanical Throttle)
- Engine Compression Test (Electronic Throttle)
- Oil Consumption Diagnosis
- Oil Pressure Diagnosis and Testing
- Oil Leak Diagnosis
- Crankcase Ventilation System Inspection/Diagnosis
- 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
- Repair Instructions
- Drive Belt Replacement - Accessory
- Drive Belt Replacement - Air Conditioning
- Drive Belt Idler Pulley Replacement
- Drive Belt Tensioner Replacement - Accessory
- Drive Belt Tensioner Replacement - Air Conditioning
- Engine Mount Inspection
- Engine Mount Replacement - Left
- Engine Mount Bracket Replacement - Left
- Engine Mount Replacement - Right
- Engine Mount Bracket Replacement - Right
- Engine Sight Shield Replacement (4.8L, 5.3L, and 6.0L (LQ4))
- Engine Sight Shield Replacement (6.0L (LQ9))
- Positive Crankcase Ventilation (PCV) Valve Replacement
- Crankcase Ventilation Hoses/Pipes Replacement
- Intake Manifold Replacement
- Engine Valley Cover Replacement
- Valve Rocker Arm Cover Replacement - Left
- Valve Rocker Arm Cover Replacement - Right
- Valve Rocker Arm and Push Rod Replacement
- Valve Stem Oil Seal and Valve Spring Replacement
- Oil Level Indicator and Tube Replacement
- Cylinder Head Replacement - Left
- Cylinder Head Replacement - Right
- Valve Lifter Replacement
- Crankshaft Balancer Replacement
- Crankshaft Front Oil Seal Replacement
- Engine Front Cover Replacement
- Crankshaft Rear Oil Seal Replacement
- Engine Rear Cover Replacement
- Oil Filter Adapter Replacement
- Oil Filter Bypass Valve Replacement
- Oil Pan Cover Replacement
- Oil Pan Replacement
- Engine Oil Pressure Sensor and/or Switch Replacement
- Engine Oil Level Sensor and/or Switch Replacement
- Oil Pump, Pump Screen and Deflector Replacement
- Timing Chain and Sprockets Replacement
- Camshaft Replacement
- Engine Flywheel Replacement
- Engine Replacement
- Engine Oil and Oil Filter Replacement
- Description and Operation
- Special Tools and Equipment
- Torque Specifications