Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Chevrolet Camaro LS, Automatic TransFACTORY OEM SERVICE PROCEDURE
Exhaust System
- Specifications
- Schematic Wiring Diagrams
- Diagnostic Information and Procedures
- DTC P12E3-P12E9, P12EA-P12EF, P12F0-P12F9, or P12FA-P12FF
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- DTC P26C5
- Diagnostic Instructions
- DTC Descriptors
- Diagnostic Fault Information
- Circuit/System Description
- Conditions for Running the DTC
- Conditions for Setting the DTC
- Actions Taken When the DTC Sets
- Conditions for Clearing the DTC
- Reference Information
- Circuit/System Verification
- Circuit/System Testing
- Repair Instructions
- Symptoms - Engine Exhaust
- Restricted Exhaust
- Exhaust Leakage
- Exhaust Noise
- DTC P12E3-P12E9, P12EA-P12EF, P12F0-P12F9, or P12FA-P12FF
- Repair Instructions
- Exhaust Flow Control Valve Learn (Cylinder Deactivation Exhaust Flow Control Valve)
- Exhaust Flow Control Valve Learn (Tail Pipe Exhaust Flow Control Valve)
- Exhaust Manifold Replacement (LTG)
- Exhaust Manifold Replacement - Left Side (LT1, LT4)
- Exhaust Manifold Replacement - Right Side (LT1, LT4)
- Exhaust Manifold Brace Replacement (LTG)
- Catalytic Converter Replacement - Left Side (LT1, LT4)
- Catalytic Converter Replacement - Right Side (LT1, LT4)
- Warm Up Three-Way Catalytic Converter Replacement (LH - LGX)
- Warm Up Three-Way Catalytic Converter Replacement (RH - LGX)
- Warm Up Three-Way Catalytic Converter Replacement (LTG)
- Catalytic Converter Brace Bracket Replacement (LGX)
- Catalytic Converter Brace Bracket Replacement (LT1, LT4)
- Catalytic Converter Brace Bracket Replacement (Upper, LTG)
- Catalytic Converter Brace Bracket Replacement (Lower, LTG)
- Exhaust Rear Muffler Rear Hanger Replacement (LGX, LT1, LT4)
- Exhaust Muffler Replacement (LGX, Coupe)
- Exhaust Muffler Replacement (LGX, Convertible)
- Exhaust Muffler Replacement (LT1, LT4, Coupe)
- Exhaust Muffler Replacement (LT1, LT4, Convertible)
- Exhaust Muffler Replacement (LTG, Coupe)
- Exhaust Muffler Replacement (LTG, Convertible)
- Exhaust Control Valve Actuator Replacement (Front Valves with Performance Exhaust)
- Exhaust Control Valve Actuator Replacement (Rear Valves with Performance Exhaust)
- Intermediate Body Exhaust Heat Shield Replacement
- Front Body Exhaust Heat Shield Replacement (Right)
- Front Body Exhaust Heat Shield Replacement (Left)
- Rear Body Exhaust Heat Shield Replacement
- Exhaust Manifold Heat Shield Replacement (LTG)
- Exhaust Manifold Heat Shield Replacement - Right Side (LT1, LT4, Upper)
- Exhaust Manifold Heat Shield Replacement - Right Side (LT1, LT4, Lower)
- Exhaust Manifold Heat Shield Replacement - Left Side (LT1, LT4, Upper)
- Exhaust Manifold Heat Shield Replacement - Left Side (LT1, LT4, Lower)
- Description and Operation
- Special Tools and Equipment
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.