Pontiac 15850525 Front Wheel Drive Shaft Assembly

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Start by loosening the front wheel lug nuts and raising the vehicle on jackstands. Remove the wheel and then use a large socket and breaker bar to remove the driveaxle/hub nut. If necessary, drain the transaxle lubricant. Disconnect the tie-rod end and stabilizer link from the steering knuckle. Separate the steering knuckle from the strut. Tap the end of the driveaxle with a soft-faced hammer to loosen it from the hub splines. Pull out on the steering knuckle to detach the driveaxle from the hub and suspend the outer end of the driveaxle. Check for lubricant leakage around the differential seal. Use a pry bar to carefully pry the inner joint from the transaxle. Remove the driveaxle assembly, being careful not to overextend the inner joint or damage the axleshaft boots. If needed, secure the hub with a large bolt and washers.

Inner CV joints allow for both angular and axial motion. They consist of a tripod bearing and a joint tulip (housing) that allows the joint to slide in and out as the driveaxle moves with the wheel. They are connected to the transaxle.

To install the driveaxle, apply multi-purpose grease around the splines of the joints. Hold the driveaxle straight out and push it in sharply to seat the driveaxle set-ring. Check that the set-ring is properly seated by attempting to pull the inner CV joint housing out of the transaxle by hand. Clean the driveaxle outer CV joint threads and coat the splines with multi-purpose grease. Guide the driveaxle into the hub splines and install the new driveaxle/hub nut. Reconnect the steering knuckle and tie rod end, then tighten the suspension fasteners. Tighten the driveaxle/hub nut to the specified torque. Install the wheel and lug nuts, then lower the vehicle. Finally, tighten the wheel lug nuts to the torque and add transaxle lubricant if necessary.

Inner CV joints allow for both angular and axial motion. They consist of a tripod bearing and a joint tulip (housing) that allows the joint to slide in and out as the driveaxle moves with the wheel. They are connected to the transaxle.