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.
2007 Chevrolet Optra5 LS, AutomaticFACTORY OEM SERVICE PROCEDURE
Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Drain Channel Bolts | 3 N.m | 27 lb in |
| Passenger Assist Handle Screws | 3 N.m | 27 lb in |
| Power Sunroof Control Switch Screws | 2 N.m | 18 lb in |
| Sunroof Glass Bolts | 3 N.m | 27 lb in |
| Sunroof Housing Bolts | 10 N.m | 89 lb in |
| Sunroof Motor Screws | 3 N.m | 27 lb in |
| Sun Visor Screws | 4 N.m | 35 lb in |
| Sun Visor Support Screw | 1.5 N.m | 13 lb in |
Factory Service Tools
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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.
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