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The Ford Motor Company introduced the F-Series "Full-Size" pick-up truck line in 1948. The new F-Series was designed with a smooth body layout and a one-piece windshield. The original line of F-Series trucks offered the American automotive consumer two different engine configurations as power-plant options. Over the next six decades, the F-Series line has remained one of the top-rated, highest-selling pick-up truck lines in North America with the F-150 consistently rating in the top 10 of sales by full-line vehicle manufactures. Maintaining the F-150 at factory scheduled maintenance intervals will extend the life of power-train components thus reducing the need for a major power-train overhaul. In the event of ring and pinion failure, replacing the ring and pinion is performed with common tools and moderate automotive repair knowledge.

Instructions

Ring and Pinion Removal

1

Disconnect the negative battery cable from the vehicles battery.

2

Raise the rear of the vehicle using a jack.

3

Place one jack-stand behind each rear wheel, under the rear axle.

4

Lower the rear of the vehicle onto the jack-stands. Make sure the vehicle is safely supported. Remove the jack.

5

Remove the rear wheels from the brake drums using a lug-nut wrench. Set the rear wheels aside.

6

Place a drain pan under the rear axle housing assembly.

7

Loosen the 10 axle housing cover retaining bolts using a socket wrench and socket. Allow the rear axle lubricant to completely drain.

8

Remove the 10 housing cover retaining bolts and the housing cover. Set the retaining bolts and housing cover aside.

9

Remove the housing cover gasket from the rear axle assembly using a gasket scraper. Make sure all of the gasket material is completely removed.

10

Locate the 10 ring gear retaining bolts in the left side of the rear axle housing. The 10 ring gear retaining bolts run through the slip-differential into the ring-gear.

11

Remove the 10 ring gear retaining bolts using an open-end wrench. Set the retaining bolts aside.

12

Pull the pinion shaft straight out of the rear axle housing by hand. Set the pinion shaft aside.

13

Pull the ring gear off of slip-differential and out of the rear axle housing assembly by hand. Set the ring gear aside.

Ring and Pinion Installation

14

Insert the ring into the rear axle housing assembly. Make sure the teeth on the ring are facing to the right side. Line up the retaining bolt holes in the ring gear to the bolt holes in the slip-differential.

15

Push the ring gear onto the slip-differential.

16

Insert the pinion shaft into the rear axle housing assembly with the pinion teeth facing the ring gear. Push the pinion shaft into the rear axle housing until the pinion shaft is fully seated. Rotate the left rear wheel assembly if necessary to line up the teeth on the ring gear and pinion shaft.

17

Install the 10 ring gear retaining bolts using an open-end wrench. Tighten the 10 ring gear retaining bolts using a torque wrench to the manufactures recommended torque level.

18

Wipe a small amount of rear axle lubricant onto the gasket surface of the housing assembly. Install a new housing gasket. Make sure the retaining bolt holes in the gasket line up with the holes in the housing.

19

Install the rear axle housing cover and 10 housing cover retaining bolts. Tighten the bolts using a cross-hatch pattern and a torque wrench to the manufactures recommended torque level. Using a cross-hatch pattern ensures the rear axle housing cover is evenly seated on the rear axle housing.

20

Remove the rear axle housing lubricant-fill-plug using a socket wrench and socket. Fill the rear axle housing with rear axle lubricant until the lubricant is level with the fill-plug hole.

21

Install the rear axle housing lubricant-fill-plug using a socket wrench and socket. Make sure the fill-plug is evenly seated in the rear axle housing.

22

Install the rear wheels onto the rear brake drums. Tighten the lug-nuts using a torque wrench to the manufactures recommended torque level.

23

Raise the rear of the vehicle off of the jack-stands. Remove the jack-stands. Lower the rear of the vehicle to the ground. Remove the jack.

24

Connect the negative battery cable to the vehicles battery.

Piston rings keep oil from entering the combustion chamber of a combustion engine. Piston rings wear over time and will begin to allow oil to burn along with fuel. Blue smoke emitting from the tailpipe of your vehicle signifies burning oil and worn piston rings. New piston rings fit snugly against an engines cylinder walls. Installing tight fitting rings requires a piston ring compressor to keep the rings from catching on the upper lip of the cylinder wall and breaking during installation.

Instructions

1

Coat the installed piston rings and the inside of a piston ring compressor with 10W30 motor oil.

2

Push the latch located on the side of the piston ring compressor away from the tool.

3

Spin the piston rings to stagger the ring seams. Slide the ring compressor over the top of the piston. Push the latch towards the side of the compressor.

4

Select a socket from a socket set that matches the size of the bolt located on the side of the piston ring compressor. Attach the socket to a 3/8-inch ratchet handle.

5

Turn the bolt clockwise until the compressor sits tight against the sides of the piston.

6

Slide the piston rod into the combustion cylinder until the compressor sits on top of the engine block.

7

Tap on the top of the piston with the wooden handle of a hammer until the piston rests inside of the combustion cylinder and no part of the piston remains in the piston ring compressor.

Although it does not happen very often, from time to time the differential in a rear wheel drive car will fail and the ring gear will need replacement. Replacing the ring gear is a job normally left to professional technicians because of the tools and knowledge needed to measure the precise tolerances during reassembly. However, a do-it-yourselfer with some advanced skills can do the job at home.

Instructions

Preparing the Vehicle

1

Place a wheel chock in front of each of the front tires. Center the lifting pad of a floor jack under the differential. Jack up the vehicle until the floor deck supports the weight of the vehicle, and the rear wheels are still in contact with the ground.

2

Turn the lug nuts, which hold the tires to the vehicle, counterclockwise with a lug wrench to loosen them. Just loosen the lug nuts, do not remove them.

3

Jack up the vehicle with the floor jack until the tires are no longer are in contact with the ground. Place a jack stand under each axle tube and lower the vehicle so that the rear axle tubes rests on the jack stands. Adjust the jack stands high enough that the rear wheels are still off the ground when the vehicle is resting on them by pulling the ratcheting center post of each jack stand up as close to the axle tube as it will go.

4

Remove the lug nuts and tires from the vehicle.

Removing the Axle Shafts

5

Place a drain pan underneath the differential. Turn the differential cover bolts counterclockwise using the appropriate size socket on a ratchet wrench. Drive a screwdriver between the cover and the differential by gently tapping it with a hammer to break the seal, and remove the differential cover allowing the gear lube in the differential to drain into the drain pan.

6

Turn the bolt that secures the cross pin counterclockwise with the ratchet wrench and appropriate size socket to remove it. Remove the cross pin.

7

Push each axle shaft in from the outside and remove the C-clip from the other end of each axle shaft. Remove the axle shafts from the vehicle by pulling them straight out from the outside.

Removing the Ring Gear

8

Make an identification mark on each of the carrier caps with the center punch and hammer to ensure the carrier caps are reassembled in their original positions.

9

Remove the upper and lower bolts from each carrier cap and remove the caps. Remove the carrier and ring gear assembly from the differential.

10

Turn the bolts that attach the ring gear to the carrier counterclockwise with a ratchet wrench and appropriate socket to remove them. Remove the ring gear, completing the operation.