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.
2004 Chevrolet Optra (CANADA) L4-2.0LFACTORY OEM SERVICE PROCEDURE
Rear Toe Adjustment
Rear Toe Adjustment
1. Perform a preliminary inspection before any attempt is made to change or correct the wheel alignment factors. Refer to Preliminary Alignment Inspection Preliminary Alignment Inspection.
2. Loosen the front parallel link cam bolt to crossmember.
Notice: Refer to Fastener Notice Fastener Notice.
3. Rotate the parallel link adjustment bolts until the preferred rear toe specification is obtained. Refer to Wheel Alignment Specifications Wheel Alignment Specifications.
Tighten the bolt to 40 Nm (30 lb ft).
4. Hold the parallel link adjustment bolts and tighten the parallel link-to-crossmember nuts.
Tighten the parallel link-to-crossmember nuts to 90 Nm (66 lb ft).
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.