Mercury 5L8Z-3A329-B Shaft

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To install the rear driveaxle in 2004 and earlier models, follow these steps: a) Pry the old spring clip from the inner end of the driveaxle and install a new one. b) Apply a light film of grease to the area on the inner CV joint stub shaft where the seal rides, then insert the splined end of the inner CV joint into the differential. c) Make sure the spring clip locks in its groove. d) Apply a light film of grease to the outer CV joint splines, pry the trailing arm outward, and insert the outer end of the driveaxle into the hub. e) Install the coil spring. f) Connect the trailing arm to the lower suspension arm and install the nut. g) Using a floor jack, raise the trailing arm to simulate normal ride height and then tighten the nut. h) Install a new driveaxle/hub nut and tighten it before lowering the vehicle to prevent wheel bearing damage. i) Install the wheel and lug nuts, then lower the vehicle and tighten the lug nuts. j) Block the front wheels to keep the vehicle from rolling. k) Loosen the rear wheel lug nuts, raise the vehicle on jackstands, then remove the wheel. l) Remove the rear wheel driveaxle hub nut and discard it. m) Remove the coil spring. n) Remove the wheel speed sensor wiring harness mounting bolt. o) Remove the four bolts from the stabilizer bar bracket and discard them. p) Place a floor jack under the knuckle and support it. q) Remove the bolt from the lower ball joint, then separate the ball joint from the knuckle. r) Separate the inner and outer ends of the driveaxle from the differential and the hub. Work carefully to avoid damaging the CV joints and boots. s) Installation is the reverse of removal.

To install the front driveaxle, follow these steps:a) Pry the old spring clip from the inner end of the driveaxle (left side) or outer end of the intermediate shaft (right side) and install a new one.b) Lubricate the differential or intermediate shaft seal with multipurpose grease and raise the driveaxle into position while supporting the CV joints.c) Push the splined end of the inner CV joint into the differential side gear (left side) or onto the intermediate shaft (right side) and make sure the spring clip locks in its groove.d) Apply a light coat of multipurpose grease to the outer CV joint splines, pull out on the steering knuckle assembly, and install the stub axle into the hub.e) Insert the ball joint stud into the steering knuckle and tighten the pinch bolt.f) Install a new driveaxle/hub nut and tighten it before lowering the vehicle to prevent wheel bearing damage.g) Grasp the inner CV joint housing (not the driveaxle) and pull out to ensure the driveaxle has seated securely in the transaxle or on the intermediate shaft.