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 MANUALSCHEVROLET1990HI-CUBE 7.4 N, 400/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)DRIVELINES & AXLESDIFFERENTIALS & DRIVE AXLESDRIVE AXLE - FULL FLOATINGREMOVAL & INSTALLATIONREAR AXLE ASSEMBLYREMOVAL
1990 Chevrolet Hi-Cube 7.4 N, 400/M40
Rear Axle Assembly: Removal
1990 Chevrolet Hi-Cube 7.4 N, 400/M40SECTION Removal
- Raise and support vehicle. Place jack stands under frame side rails for support. Drain lubricant from axle. Remove drive shaft. Remove tire and wheel assembly.
- Remove hub and drum assembly. Disconnect parking brake cable from lever and at brake flange plates. Remove hydraulic brake lines. Detach height-sensing/brake proportioning valve linkage. Remove shock absorbers.
- Remove stabilizer bar (if equipped). Disconnect hose from axle vent fitting (if equipped). Support rear axle assembly with floor jack and remove leaf spring "U" bolts. Carefully lower rear axle assembly and remove from vehicle.
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.