Section 520 (Engine Mechanical - Hybrid (LZ1) - Diagnostic Information And Procedures)
WARNING: This page is about a different car, the 2012 GMC Yukon, 2012 Chevrolet Tahoe, and 2012 Cadillac Escalade. However, it is still accessible from the selected car via links, so may be relevant.
- 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
- 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
- Cylinder Leakage Test
- Oil Consumption Diagnosis
- Oil Pressure 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
- 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