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.
Drive Axle - 12": Description
The Rockwell drive axle uses a heavy duty hypoid drive pinion and ring gear. The differential and gear assembly is mounted on tapered roller bearings.
The straddle-mounted pinion has 2 tapered roller bearings in front of the pinion teeth.
The 3rd bearing is behind the pinion teeth. The preload on the differential side bearings is set by adjusting nuts on which bearing cups rest. The differential has a 2-piece case and 4 differential pinion gears.
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.