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.
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HOMESERVICE MANUALSCHEVROLET2005OPTRA5 BASE, STANDARDREPAIR AND DIAGNOSISBRAKESMECHANICAL - HYDRAULICHYDRAULIC BRAKESSPECIFICATIONSFASTENER TIGHTENING SPECIFICATIONS
2005 Chevrolet Optra5 Base, Standard
Fastener Tightening Specifications
2005 Chevrolet Optra5 Base, StandardSECTION Fastener Tightening Specifications
| Application | Specification | |
|---|---|---|
| Metric | English | |
| Bleeder Screw | 8 N.m | 71 lb in |
| Booster-to-Bracket Nuts - Right Hand Drive | 22 N.m | 16 lb ft |
| Booster-to-Dash Panel Nut - Left Hand Drive | 22 N.m | 16 lb ft |
| Booster Hex Nut and Pushrod Clevis | 18 N.m | 13 lb ft |
| Brake Line Fittings | 16 N.m | 12 lb ft |
| Brake Lines | 16 N.m | 12 lb ft |
| Brake Pedal-to-Pedal Bracket Hex Nut | 18 N.m | 13 lb ft |
| Front Disc Brake Hose-to-Caliper Bolt | 40 N.m | 30 lb ft |
| Master Cylinder Attaching Nuts | 18 N.m | 13 lb ft |
| Proportioning Valves | 22 N.m | 16 lb ft |
| Rear Disc Brake Hose-to-Caliper Bolt | 32 N.m | 24 lb ft |
RENDER: 1.0x
NO RELATED
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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.