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 Traverse LFACTORY OEM SERVICE PROCEDURE
Lower Front of Engine Components
Lower Front of Engine Components
| Component Name | Callout |
|---|---|
| B37 Engine Oil Pressure Switch B37 Engine Oil Pressure Switch | 1 |
| B34 Engine Coolant Temperature Sensor B34 Engine Coolant Temperature Sensor | 2 |
| M64 Starter Motor M64 Starter Motor X1 , or M64 Starter Motor X2 | 3 |
| B68B Knock Sensor 2 B68B Knock Sensor 2 | 4 |
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.