Bronco workshop manual




















Remove the grease cap and gasket from the hub. To check the wheel bearing adjustment, alternately push inward and outward on the tire. If any excessive looseness is felt or there is no end play, adjustment of the front wheel bearings is necessary. With , , , , , or pound capacity front axles, remove the cotter pin, adjusting nut and flat washer from the spindle. With a pound capacity center point front axle, remove the lock nut, inner washer, adjusting nut and outer washer.

Inspect the condition of the spindle and nut threads to insure a free running nut when reassembling. Pull the hub and drum assembly off the spindle. Remove the inner bearing and seal using a brass drift. Be careful not to damage the bearing cage. Remove all traces of old lubricant from the bearings, hubs and axle spindle. Inspect the cups for pitting, galling or unusual wear.

If either cup is worn or damaged, remove it with a brass drift. Do not spin the bearings dry with compessed air. Inspect the cones and rollers for pitting, galling or unusual wear. Particularly inspect the rollers for end wear and flat or rough spots.

Replace all worn or damaged assemblies. It is recommended that the cone and roller 9 Wheels, Hubs and Bearings—Front Except 4-Wheel Drive assemblies and cups be replaced in sets. Replace the grease retainer. Remove the cloth from the spindle carefully to prevent dirt falling on the spindle.

Install the inner and outer bearing cups in the hub with the appropriate tool Fig. Check for proper seating of the new bearing cups by trying to insert a 0. The feeler gauge should not enter. Place the inner bearing cone and roller in the inner cup and install the grease retainer with the appropriate tool.

Be sure the retainer is fully bottomed. On all synthetic type seals, coat the seal lips with wheel bearing grease C1AZB before installing the hub and drum. On seals which are not coated on the OD with sealer by the supplier, coat the grease seal bore in the hub with a thin coat of non-hardening sealer prior to installing the grease seal. With , , , , , or pound capacity front axles, install the outer bearing cone and roller and the flat washer on the spindle.

Then, install the adjusting nut. With , and pound capacity front axles, install the outer bearing cone and roller and the bearing adjusting nut. With a pound capacity center point front axle, install the washer and adjusting nut. Make the final bearing adjustment, Section 3. Axle E Std. T59TB and Ib. The wheel and tire mounts on the same rear axle shaft flange studs and is held against the hub and drum by the wheel nuts.

The rear wheel bearing is pressed onto the axle shaft just inside the shaft flange, and the entire assembly is retained to the rear axle housing by the bearing retainer plate which is bolted to the housing flange.

Synthetic wheel bearing seals are used. Removal and insertion of rear axle shafts must be performed with caution. The entire length of the shaft including spline up the seal journal must pass through the seal without cutting of the seal element during axle removal or installation will result in early seal failure. Remove the wheel cover, wheel and tire from the brake drum.

Remove the nuts that secure the brake drum to the axle shaft flange, then remove the drum from flange. Then pull the axle shaft assembly out of the axle housing Fig. The brake backing plate must not be dislodged. Install one nut to hold the plate in place after the axle shaft is removed.

Removal of the wheel bearings from the axle shaft makes them unfit for further use. Loosen the inner retainer ring by nicking it deeply with a cold chisel in several places Fig. It will then slide off easily. Remove the bearing from the axle shaft with tool T60KA. Whenever a rear axle shaft is replaced, the oil seal must be replaced. Remove the seal with Tool AB and a slide hammer.

Inspect the machined surface of the axle shaft and the axle housing for rough spots or other irregularities which would affect the sealing action FA FIG.

Check the axle shaft splines for burrs, wear or twist. Carefully remove any burrs or rough spots. Replace worn or damaged parts. Lightly coat wheel bearing bores with axle lubricant. Place the bearing retainer plate on the axle shaft, and press the new wheel bearing on the shaft with the tool shown in Fig.

Do not attempt to press on both the bearing and the inner retainer ring at the same time. Using the bearing installation tool Tool A , press the bearing inner retainer ring on the shaft until the retainer seats firmly against the bearing.

Install the new oil seal with the tools shown in Fig. Wipe a small amount of oil resistant sealer on the outer edge of the seal before it is installed. Do not put sealer on the sealing lip. Carefully slide the axle shaft into the housing so that the rough forging of the shaft will not damage the oil seal.

Start the axle splines into the side gear, and push the shaft in until the bearing bottoms in the housing. Install the bearing retainer plate and the nuts that secure it. Torque the nuts to specifications. Install the brake drum and the drum attaching Tinnerman nuts. Install the wheel and tire on the drum. Install the wheel cover. Remove the wheel bearing lock nut and lock ring. Using Tool T59TB and a torque wrench, tighten the bearing adjusting nut to 50 ft-lbs while rotating the wheel back and forth to seat the bearings.

Continue rotating the wheel, loosen the adjusting nut and then re-torque it to ft-lbs. Assemble the lock ring by turning the nut to the nearest notch where the dowel pin will enter. Install the outer lock nut and torque to 50 ft-lbs.

Final end-play of the wheel on the spindle should be 0. Install the pressure spring and driving hub, the driving hub snap ring and after applying non-hardening sealer to the seating edge of the grease cap, install the grease cap. Adjust the brake if it was backed off.

Remove the safety stands and lower the vehicle. Raise the vehicle and install safety stands. Back off the brake adjusting screw if necessary. Remove the front hub grease cap and the driving hub snap ring Fig. Remove the splined driving hub and the pressure spring. This may require a slight prying assist Fig. Back off the brake adjusting screw, if necessary. Remove the wheel cover, if installed. Remove the front hub grease cap. Remove the driving hub retaining snap ring and slide the splined driving hub from between the axle shaft and the wheel hub Fig.

Remove the driving hub spacer. With Tool T59TB, remove the lock nut and lock ring from the spindle. Continue rotating the wheel and then, loosen and re-torque the adjusting nut to ft-lb. Install the outer lock nut and torque to 50 ft-lb. Install the driving hub, spacer, snap ring and hub grease cap.

Apply a thin coat of non-hardening sealer to the seating edge of the grease cap, before installation. Adjust the brake, if backed off to permit drum removal. F 1. Remove the outer hub cap retaining screws, and remove the cap. Remove the retaining lock ring Fig. Remove the retaining screws and remove the splined drive plate.

Bend the tab of the lockwasher away from the locknut and remove the locknut Fig. Remove the lockwasher and discard it.

While rotating the wheel back and forth to correctly seat the bearings, torque the adjusting nut to 50 ft-lbs. Position a new lockwasher against the adjusting nut and apply a film of oil to the outer face of the lockwasher. Run the lock nut up against the lockwasher and torque it to ft-lbs. Bend one tab of the lockwasher over the adjusting nut. Use a blunt tool when bending the tabs to avoid making any chips which could cause serious bearing damage.

Apply Silastic Sealer to the front and rear mounting faces of the splined drive plate. Position the drive plate, install the retaining screws and torque them to specifications. Install the retaining lock ring. Position the outer hub cap and install the retaining screws and torque them to specifications. Bronco and F 1. Remove the front hub grease cap and driving hub snap ring Fig. Remove the wheel bearing lock nut, lock ring, and adjusting nut Fig. Remove the hub and drum assembly. The outer wheel bearing and spring retainer will slide out as the hub is removed Fig.

Carefully drive the inner bearing cone and grease seal out of the hub Fig. Inspect the bearing cups for pits or cracks. If necessary, remove them with a drift Fig. If new cups are installed, install new bearings.

Clean all old grease from the hub. Pack the cones and rollers. If a bearing packer is not available, work as much lubricant as possible between the rollers and the cages. Position the inner bearing cone and roller in the inner cup and install the grease retainer. Carefully position the hub and drum assembly on the spindle. Install the outer bearing cone and roller and the adjusting nut. Install the pressure spring and driving hub snap ring and after applying non-hardening sealer to the seating edge of the grease cap, and install the grease cap.

Remove the driving hub retaining snap ring Fig. Remove the wheel, hub and drum as an assembly. The wheel outer bearing will be forced off the spindle at the same time. Protect the spindle and inner bearing cone from dirt. Remove the grease retainer and the inner bearing cone and roller assembly from the hub with Tool AB, and T50TA.

Discard the grease retainer. Clean the lubricant off the inner and outer bearing cups with solvent and inspect the cups for scratches, pits, excessive wear, and other damage. Thoroughly clean the inner and outer bearing cones and rollers with solvent, and dry them thoroughly. Do not spin the bearings with compressed air. Inspect the cone and roller assemblies for wear or damage, and replace them if necessary.

The cone and roller assemblies and the bearing cups should be replaced as a unit if damage to either is encountered. Thoroughly clean the spindle and the inside of the hub with solvent to remove all old lubricant. Cover the spindle with a clean cloth, and brush all loose dust and dirt from the brake assembly. To prevent getting dirt on the spindle, carefully remove the cloth from the spindle.

If the inner bearing cup was removed, install the cup or a new cup in the hub. Be sure to seat the cup properly in the hub. Install the outer bearing cup in the hub with a suitable tool. Be sure the cup is properly seated in the hub. Pack the inside of the hub with specified wheel bearing grease.

Add lubricant to the hub only until the grease is flush with the inside diameter of both bearing cups. All old grease should be completely cleaned from the bearings before repacking them with new grease. Pack the bearing cone and roller assemblies with wheel bearing grease. A bearing packer is desirable for this operation.

Place the inner bearing cone and roller assembly in the inner cup, and install the new grease retainer. Be sure that the retainer is properly seated. Coat the grease retainer sealing lip with a liberal amount of grease. Install the wheel, hub, and drum assembly on the wheel spindle. Install the wheel outer bearing cone and adjusting nut. Remove the wheel and tire from the hub and drum. Bend the tab of the lockwasher away from the lock nut and remove the lock nut Fig.

Remove the adjusting nut. Remove the hub and drum carefully from the spindle. Cover the spindle to protect it from dirt and foreign material. If the drum is difficult to remove, back off the brake adjustment to provide clearance. Carefully remove the inner bearing and seal. Clean the bearing recess and using a suitable solvent, clean the bearings. Do not spin dry with compressed air. Repack the bearings with grease after drying thoroughly.

Inspect the bearing cups. If cracked, pitted, or otherwise damaged, they should be replaced. If they are replaced, the bearings should also be replaced. The cups can be removed using a hammer and a drift. Position the hub and drum on the spindle. Install the outer bearing and the adjusting nut. Install the wheel and tire on the hub and drum.

Bend one tab of the lockwasher in the opposite direction over the lock nut. Two methods of wheel bearing lubrication are used on the full floating axles. The wheel bearings are packed with wheel bearing lubricant C1AZB.

However, axle lubricant will flow into the wheel hubs and bearings during vehicle operation. On these axles, wheel bearing grease is the primary lubrication for the high bearings during extended operation in a tilted condition. On these axles the wheel hub is also vented through the axle housing vent.

The seal assembly Series mounts on the wheel hub and seals on a wear sleeve wiper which is installed on the axle housing tube Fig. Do not use heat on the wear sleeves to facilitate installation.

Use the proper tool as shown in Fig. The sleeves are designed with flanges to eliminate the possibility of installing the sleeves backwards.

Although preservative has been applied to the wear sleeve prior to packaging, a light oil SAE or its equivalent should be applied to the wear sleeve to facilitate assembly of the sleeve to the axle housing. After installation of the wear sleeve, the clearance between the end of the wear sleeve and inner wheel bearing shoulder should be 0. The seal assembly is to be installed in the wheel hub.

The garter spring should be checked to assure the spring is in the spring groove behind the primary seal lip after the seal is in position. Before installing the wheel, apply grease C1AZB between the lips of the seal. The wheel bearings must be thoroughly cleaned and repacked with lithium base grease C1AZB before installing the wheel assembly. To prevent damage to the primary and secondary lips of the seal assembly, a locator sleeve or tool should be used to guide the hub and drum onto the axle.

A new seal assembly must be installed whenever a wheel is removed. Set the parking brake and loosen the axle shaft retaining bolts Fig. Raise the rear wheels off the floor and place work stands under the rear axle housing so that the axle is parallel with the floor. Back off the rear brake adjustment. Remove the axle shaft retaining bolts. Remove the axle shafts. Remove the wheel locknut, lockwasher and wheel bearing adjustment nut.

With the type of wheel jack shown in Fig. Remove the outer bearing cone. Now, pull the wheel assembly straight out and away from the axle. Thoroughly clean the spindle of the axle housing. With a brass drift, and care to prevent damaging the bearing cage, drive the inner bearing cone and inner seal out of the wheel hub. Clean all old grease and axle lubricant out of the wheel hub. Inspect the bearing races and rollers for pitting, galling or erratic wear patterns.

Inspect the rollers for end wear. Replace the bearings if worn or damaged. If the bearing cups are to be replaced, drive them out with a brass drift. Install the new cups with a tool such as OTC Pack each bearing cone and roller assembly with a bearing packing tool. Place the inner bearing cone and roller assembly in the wheel hub. Install a new hub inner seal. Position the wheel assembly at the axle housing. Install the outer wheel bearing and start the bearing adjuster nut.

The compression ratio of 9. Since , the engine has been upgraded to increase the power and torque of liters. Rear suspension dependent on semi-elliptical springs DANA The car participated in the shooting of the film Jurassic Period.. All content on the site Carmanualsclub. The site administration does not bear any responsibility for illegal actions, and any damage incurred by the copyright holders. Other Manuals 96 Pages. Other Manuals 69 Pages. Ford - Bronco - Parts Catalogue - - 2. Other Manuals 36 Pages.

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