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 MANUALSCHEVROLET2005OPTRA (CANADA) L4-2.0LREPAIR AND DIAGNOSISBRAKES AND TRACTION CONTROLDISC BRAKE SYSTEMBRAKE PADTESTING AND INSPECTION
2005 Chevrolet Optra (CANADA) L4-2.0L
Brake Pad: Testing and Inspection
2005 Chevrolet Optra (CANADA) L4-2.0LSECTION Testing and Inspection
Brake Pad Inspection
1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle Service and Repair.
2. Remove the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation Service and Repair.
3. Inspect the brake pads for wear.
4. Measure the thickness.
* The minimum thickness of the inner or the outer front pad is 2 mm (0.08 in).
* The minimum thickness of the inner or the outer rear pad is 2 mm (0.08 in).
5. Install the brake pads in axle sets only.
6. Install the tire and wheel assembly. Refer to Tire and Wheel Removal and Installation Service and Repair.
7. Lower the vehicle.
RENDER: 1.0x
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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.