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.
Section 328 (Axle Shafts): Description
Axle shafts transfer power from transaxle to front wheels. All axle shafts consist of a shaft with flexible Constant Velocity (CV) joints at each end. Inner CV joint is splined or bolted to transaxle. Outer CV joint is splined to hub assembly, and secured by axle shaft nut.
The inner CV joint is a plunging tripod joint. The plunging action allows for axle shaft length change as suspension moves up and down.
The inner and outer CV joints are enclosed by a CV joint boot. The boot maintains lubrication in the joint and prevents contamination of CV lubricant. Boots must be replaced when signs of leakage or cracks are present. The inner CV joint can be repaired without replacing assembly. The outer CV joint must be replaced as an assembly.
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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.