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.
2016 Buick EnvisionFACTORY OEM SERVICE PROCEDURE
Right Front of Engine Components (LCV)
Right Front of Engine Components (LCV)
| Items |
|---|
| 1. Q12 Evaporative Emission Purge Solenoid Valve Q12 Evaporative Emission Purge Solenoid Valve |
| 2. T8A Ignition Coil 1 T8A Ignition Coil 1 |
| 3. T8B Ignition Coil 2 T8B Ignition Coil 2 |
| 4. T8C Ignition Coil 3 T8C Ignition Coil 3 |
| 5. T8D Ignition Coil 4 T8D Ignition Coil 4 |
| 6. B23E Camshaft Position Sensor - Exhaust B23E Camshaft Position Sensor - Exhaust |
| 7. B52A Heated Oxygen Sensor 1 B52A Heated Oxygen Sensor 1 |
| 8. B52B Heated Oxygen Sensor 2 B52B Heated Oxygen Sensor 2 |
| 9. G1 A/C Compressor |
| 10. Q46 A/C Compressor Solenoid Valve Q46 A/C Compressor Solenoid Valve |
| 11. Q2 A/C Compressor Clutch Q2 A/C Compressor Clutch |
| 12. G13 Generator G13 Generator X1 |
| 13. Q6E Camshaft Position Actuator Solenoid Valve - Exhaust Q6E Camshaft Position Actuator Solenoid Valve - Exhaust |
| 14. Q6F Camshaft Position Actuator Solenoid Valve - Intake Q6F Camshaft Position Actuator Solenoid Valve - Intake |
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.