Section 7 (Engine Mechanical - 6.2L (L99 LS3 LSA) Or 7.0L (LS7) - Diagnostic Information And Procedures)
WARNING: This page is about a different variant/trim than selected.
- Diagnostic Information and Procedures
- 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
- Supercharger Noise Diagnosis
- 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
- Cylinder Deactivation (Active Fuel Management) System Diagnosis
- Engine Compression Test
- Cylinder Deactivation (Active Fuel Management) System Compression Test
- Engine Balancing (LSA)
- Cylinder Leakage Test
- Oil Consumption Diagnosis
- Oil Pressure Diagnosis and Testing
- Oil Pressure Relief Valve Diagnosis and Testing
- Cylinder Deactivation (Active Fuel Management) Oil Pressure Relief Valve Diagnosis and Testing
- Cylinder Deactivation (Active Fuel Management) Valve Lifter Oil Manifold Diagnosis and Testing
- Camshaft Position Actuator and Solenoid Valve Diagnosis and Testing
- Engine Oil Level Sensor Diagnosis
- Engine Oil Temperature Sensor Diagnosis (LSA)
- Engine Oil Temperature Sensor Diagnosis (L99, LS3 or LS7)
- Oil Leak Diagnosis
- Crankcase Ventilation System Inspection/Diagnosis
- Drive Belt Chirping, Squeal, and Whine Diagnosis
- Drive Belt Rumbling and Vibration Diagnosis
- Drive Belt Falls Off and Excessive Wear Diagnosis
- Drive Belt Tensioner Diagnosis