This is when making a few phone calls to reputable axle builders can be helpful. The three roll pins have been tapped in just below the mounting surface. Here is a quick visual summary: The 1957 housings do not have dimples on them and have an oil drain plug. It is a good idea to take the initial test drive to verify there are no abnormal noises coming from the differential and to begin breaking in the new gear set. This Tech Tip is From the Full Book,.
A couple things: coat the inner and outer pinion bearings in gear oil and coat the inside lip of the pinion seal with Vaseline before installing the pinion and pinion flange. Every time I do any rear end work and find no drain, I add one to the cover. Step-2: Install Shim Add a small amount of gear oil in the shim pocket. You want a running torque value of 75 ft-lbs for used plates and 155 to 195 ft-lbs for new plates. Step-2: Install Side Gear in Differential Case Install the same spline tool in the vise as shown in step 6 on page 72 for an open differential. Even though this is a complete rebuild, I still have the habit of measuring the remaining pinion threads as a reference and taking a sample of the old gear oil. With so many better performing aftermarket options today, there is no reason to use these marginal brakes.
Also when installing the new ring gear tighten the bolts in a star pattern. In the 1980s and 1990s, the Lincoln Versailles brakes and complete axles were highly sought after because it was the only way to get a 9-inch axle with discs in a 58-inchwide axle package. This grease helps hold the parts in place. The differential was full of metal particles and burnt gear oil. At this point the inside of your differential should look like this.
Note that steel caps on the tabs are not used because the new Currie differential housings are made out of nodular iron, which is much stronger than the original Ford production pieces and therefore do not require the wear caps. The unit on the top left seems to be nodular iron but requires a little more investigation to verify. In order to allow for the additional straddle mounted bearing and casting support structure, the hypoid offset needs to be large enough to clear the differential case. Sometimes installing a new ring gear requires a little persuasion. The back of these units have a smooth hump with no bolts. The 1960s to 1967s still retain the dimples but also have an oil level plug in the back cover. It has enjoyed a long production history with many variants.
Axle Details The Ford 9. Similarly, the Dana 35 and 44 models have ten bolts with different cover and gasket shapes. Step-9: Apply Grease Fully seat the spring support plate. This is the surface that the shim rides on. Just a thin coating is all that is required; too much oil changes the assembled clutch pack height. It also has a 9-inch ring gear. In order to verify a nodular unit, you need to look on the inside of the casting.
There were also 8-inch ring gear independent carriers in production. The inspection cover faces the rear of the car and is seen looking forward under the the license plate. The metal tag has four different sets of numbers, each grouped in the four corners of the tag. The smaller 8-inch just cannot handle the abuse as its bigger brother can. This rebuild was performed on a 2006 F150 Crew Cab 4×4 with a 9. Many people prefer to just call it the Ford 9-inch-style wheel end.
There are several reasons for this. We carry more products and brands than we can make available on this website so give us a call or send us an email and chances are we can get what you need at a great price. There is a huge aftermarket support for this axle design. Besides the styling of the Ford Edsel, even the axle shafts were very unusual. The 9-inch third-member bottom fasteners, on the left, can only be accessed with a wrench.
Remove the rear drive shaft and lay it off to the side. The long pin is the one that has only a single roll pin on the axis the one in the middle of the three pins. Once it initially breaks free you can usually pull it out by hand without further using the tools. Pinion Cartridge There are even different pinion cartridges that have been available from the various production years and models for this axle. These are the clutch plate inner carrier, differential case cover with four unique slots machined in place, clutch pack, shims, and springs. Identifying a differential hinges the ability to distinguish the two primary rear-end types---the 8- or 9-inch rear end---denoting ring-gear size.
Hypoid offset is the distance between the centerline of the pinion and the centerline of the ring gear. Step-5: Install Roll Pins Install and fully seat the three roll pins see steps 14 through 17 on pages 76 and 77. Along with our quality parts you have access to applications information for available ring and pinion ratios, information to assist you in identification of the differential that you have. This is the side gear with the shoulder on the back surface. Both axles share a common design and are often referred to as banjo style or third-member style. Some differential experts tell you that the Blue Oval engineers copied the 12-bolt design when they came up with the 8. This bearing is one of the reasons that the 9-inch has the reputation for being bulletproof.