Axle Shafts And Bearings; Exploded View Of Axle Shaft Assembly - Mazda 1983 RX7 Service Manual

AXLE SHAFTS & BEARINGS
Removal
1) Raise and support vehicle. Remove wheel. Remove brake
drum and brake shoes. Disconnect and plug hydraulic line from wheel
cylinder. Disconnect parking brake cable.
2) From inboard side of backing plate, remove 4 nuts from
axle housing through bolts. Pull drive axle, backing plate, bearing
housing (Pickups) and shims (if equipped) from axle housing with
drive axle puller (49 0223 630B). Remove oil seal from axle housing.
3) On Pickup models, flatten locking tabs of lock washer.
Loosen lock nut with spanner wrench. Remove lock nut and washer.
4) Using bearing pullers (49 8531 746 & 49 0259 747), remove
bearing and housing assembly from drive axle. Remove backing plate.
Remove bearing and oil seal from housing.
Installation
1) Install backing plate and spacer on shaft with chamfered
edge of spacer must face drive axle flange. Using bearing attachment,
(49 0259 748) press bearing onto shaft until seated. Press new
bearing collar onto shaft without any lubricant.
CAUTION: Do not press bearing and collar onto shaft at the same time.
If bearing collar is installed with less than 2.7 tons
pressure (2,451 kg), replace bearing collar.
Fig. 2:

Exploded View of Axle Shaft Assembly

for All Models Except Pickups
Chamfered edge of spacer must face drive axle flange.
2) Apply a light coat of grease to oil seal and install oil
seal in housing. Temporarily mount drive axle and backing plate on
axle housing with mounting nuts.
3) Install dial indicator on backing plate and check drive
axle end play. End play should be .002-.006" (.05-.15 mm) on Pickups
and 0-.004" (0-.1 mm) on all other models.
4) On Pickup models only, if both drive axles were removed,
the end play of each shaft must be measured separately. The end play
for first drive axle installed should be .026-.033" (.65-.85 mm).
5) The end play for the second drive axle installed should
be set to normal end play clearance of .002-.006" (.05-.15 mm).
6) After installing correct shim pack, install and tighten
all attaching bolts and nuts. Install brake shoes and drum. Connect
hydraulic lines to wheel cylinders, adjust brakes and bleed hydraulic
DRIVE AXLE
Article Text (p. 2)
1983 Mazda RX7
For www.iluvmyrx7.com
Copyright © 1998 Mitchell Repair Information Company, LLC
Sunday, August 26, 2001 06:34PM