Fig. 4.5. Front wheel hub.
1 - steering knuckle; 2 — hub; 3 — oil seal; 4 - tapered roller bearings; 5 — mudguard ring: 6 — washer 20.2x40.3x5 mm; 7 — nut.
Release the brake pedal and loosen the wheel mounting bolts. Remove and hang up the caliper. Remove the hub assembly with the disc, using a puller if necessary. Remove the cotter pin and loosen the castle nut of the steering rod ball joint and press out the joint using a universal puller or Ford puller 13.006. Loosen the bracket mounting bolt and, holding the wheel drive shaft by the outer joint, disconnect the ball joint of the steering knuckle using device 14.026. Remove the steering knuckle and secure it in a vice with soft metal pads. Remove mud ring 5 from the groove of the steering knuckle, outer and inner oil seals 3 using puller 21051 and remove the roller bearings. Using a mandrel with a flat end, carefully knock out the outer rings of the bearings, clean their seats.
To install the bearings, place a wooden block under the steering knuckle and press in the outer ring of the new bearing using mandrel 14.024. Turn the steering knuckle over and make sure that the ring has reached the shoulder of the seat. Press in the outer ring of the second bearing. Fill the bearings with lithium grease (according to Ford S-M1 C-4515-A specification) and install the bearing. Lubricate the working edge of the oil seal with grease and place grease in the space between the edges of the oil seal, install the oil seal using device 14.024 with a reverse grip. Install the second bearing and the second oil seal in the same order. Install the mud ring in the steering knuckle seat using a wooden block. Generously grease the splines of the wheel drive shaft and install the steering knuckle. Attach the ball joint of the suspension arm and tighten the bracket bolt. Attach the steering rod and secure it with a new crown nut and a new cotter pin. Install the hub assembly with the brake disc as far as possible on the drive shaft. Using tool 14.022 (Fig. 4.6), press the hub with the disc until it stops.
Fig. 4.6. Installing the hub.
1 - steering knuckle; 2 — hub: 3 — mandrel 14.022; 4 — wheel drive shaft.
Lubricate the drive shaft threads with bearing grease and install the washer and new hub nut without tightening it. Install the brake caliper and tighten the two wheel mounting bolts. Using a special device, lock the brake pedal in the depressed position and tighten the hub nut to a torque of 20.5-23.5 kgf·m. Stake the nut, remove the wheel mounting bolts and install the wheel. Lower the vehicle and tighten the wheel mounting bolts to a torque of 7.0-10.0 kgf·m. Since March 1983, the manufacturer does not recommend filling the space between the bearings with grease to avoid creating grease pressure and leakage through the oil seals. Place a small amount of grease in the space between the oil seal lips to replenish the main grease and reduce wear on the working edges. After installing the steering knuckle, insert device 14.026 into the gap between the cheeks and turn it 90°. Move the steering knuckle to the telescopic strut, align the holes for the bolt, install the bolt, remove the device and tighten the bolt to a torque of 8.0–9.0 kgf·m.
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