Subaru 28023AC060 Boot Drive Shaft

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If the CV joints exhibit signs of wear indicating the need for an overhaul, usually due to torn boots, explore all options before beginning the job. Complete rebuilt drive axles are available on an exchange basis, which eliminates much time and work. Whichever route you choose, check the cost and availability of parts before disassembling the vehicle. Remove the drive axle. Mount the drive axle in a vise, ensuring the jaws of the vise are lined with wood or rags to prevent damage to the axle shaft.For the INNER CV JOINT Ball-and-cage type: Pry open the locking tabs on the boot clamps, discard the clamps, slide the boot back on the axle shaft, and pry the wire ring ball retainer from the outer race. Pull the outer race off the inner bearing assembly, wipe as much grease off the inner bearing, remove the snap-ring, and slide the inner bearing assembly off the axle shaft. Mark the inner race and cage for reassembly, pry the balls from the cage, and rotate the inner race out of the cage. Clean the components with solvent and inspect the cage, races, and boot. For reassembly, insert the inner race into the cage, press the balls, wrap the axle shaft splines with tape, and slide the boot onto the axle shaft. Install the inner race and cage assembly on the axle shaft, install the snap-ring, fill the boot with grease, pack the inner race, and install the outer race. Seat the boot in the required areas and equalize the pressure in the boot. Install the boot clamps using a special tool, and then install the drive axle assembly.For the Tri-pot type: Follow similar steps for disassembly, cleaning, and inspection as with the Ball-and-cage type, adjusting the method for the differences in the tri-pot assembly. For reassembly, wrap the splines, slide the boot, tap the tri-pot assembly onto the axle shaft, install the outer snap-ring, apply grease, pack the outer race, seat the boot, equalize the pressure, and install the boot clamps. Finally, install the drive axle assembly.For the Outer CV joint and CV Boot: The outer CV joint is a non-serviceable item. If any damage occurs, the entire drive axle assembly must be replaced, excluding the inner CV joint. Service is limited to boot replacement and grease repacking only. Remove the inner CV joint and CV Boot, cut the boot clamps, discard them, and remove the outer CV Boot. Wash and inspect the outer CV joint assembly, and if any components are worn, replace them. Install a new boot, repack with grease, position the boot, and install the clamps. Finally, reassemble the inner CV joint and CV Boot, and install the drive axle.

When visually inspecting the steering and suspension components, pay attention to damage, distortion, and leaks. Specifically, inspect seals, bushings, and the mounting points for control arms, tie-rod ends, ball joints, and steering gear boots.

Clean the components with a solvent and check for wear. While shiny spots are normal and don't affect performance, significant wear or damage indicates the need for replacements. If the outer CV joint boot is damaged, inspect the inner CV joint parts.

Worn or damaged suspension and steering linkage components can lead to issues such as excessive tire wear, poor ride quality, compromised vehicle handling, and reduced fuel economy.

To check for movement at the steering knuckle-to-control arm ball joint, clean the lower end of the steering knuckle and have an assistant move the wheel in and out while checking for any noticeable movement. Any movement indicates the suspension ball joint(s) need to be replaced.

If the vehicle continues to move up and down or fails to return to its original position, worn or weak shock absorbers may be the cause.

Remove the snap-ring from the end of the axle shaft and slide the inner bearing assembly off the axle shaft.

Follow the same steps for disassembly, cleaning, and reassembly, ensuring alignment marks are maintained. Clean old grease using solvent and inspect rollers and races. Wrap axleshaft splines, install the boot, align assembly markings, and pack the outer race with grease.