The few road racers that still use clutch-type limited slip rears don't use it either for the same reasons. This is a wide range but the torque may fluctuate by as much as 40 ft-lbs. So the pinion head bearing installs without a shim underneath it. Clutch side ----------- Inspection: look for wear anything you can feel with your finger other then perfectly smooth means the traction unit needs to be replaced. Pattern Should Look Like Correct Mesh Pattern In Diagram Below. Step-32: Torque Down Retainer Clips Lightly tap the retainer clips to make sure that the tang is in place.
Even if the shim is correct, you still remove these bolts later to apply thread locker. This is just for the initial assembly. Drive shaft back in: i added some grease to the rear zerk fitting. Replace Bearings If Desired By Pressing Off And Back On. Most people refer to this as the composite plate. So the old posi traction was damaged beyond hope. Clamp the tool in the bench vise and set the differential in place.
Drain For 1 Hour Min To Ensure All Oil Is Off 3Rd Member. Step-6: Finish Clutch Pack Buildup When you have the entire clutch and reaction plate pack correctly assembled, the sub-assembly should look just like this. In talking to a guy who has set up hundreds of 9 in rears and he told me that I have a race gear and not a street gear something to do with Rockwell hardness. The transmission place called and told me my transmission needed work. Just timed gear set for the crank and camshaft of an engine some gear sets are machined and Lapped so that only certain teeth may contact another tooth and the pattern between the pinion and ring gear do not overlap. There are two limited-slip-style differentials available: the Equa Lok and the Traction-Lok. Because the Bearing and bearing carrier are separate pieces they must be forced together to prevent slippage and any movement up and down and side to side.
Thicker Shims Can Be Added The Second Time, Depending Upon How Much The Pattern Changes. There are internal differences between the two and most parts are not interchangeable. Setup 3Rd Member On Blocks As Shown. Step-4: Install Washers Torque Fasteners From the factory, copper washers were placed underneath the nuts for the third member. Apply a small amount of gear oil to the raised surface as shown. At this point the pumpkin is complete.
Make Sure Bearings Caps Are Marked In Some Way So They Are Installed As They Came Out. Then I took the unit over to my bench, inserted the yoke into a large vice and began to torque it down. Pattern Can Be Checked At Various Locations On Ring Gear To Ensure Patterns Are The Same Over Entire Ring Gear. This Will Give You A Good Idea Of What Backlash You Will Need And What The Gear Patterns Look Like Upon Re-assembly. You want to ensure that all oil and debris have been removed. I did have to build the workbench in the photos because the forces involved in torquing required it. Install New Crush Collar On Pinion See Picture Below.
Due to a manufacture screw up, I may have to shave material off my right side carrier housing. A fresh rebuilt posi traction sitting in the clean case with new bearings. Using Large Adjustable Wrench, Hold Pinion Flange And Remove Pinion Nut. When installing the bearings and setting up the back lash and case spread use a little motor oil on all moving surfaces. How this all started: in 2007 i went through an extensive rebuild of my car in an effort to make it road worthy.
I've flogged it a little, nothing too exciting. The new shaft The Thrust and side gears were in good shape and i would reuse them. Move Main Case With Pinion Attached On It Side. A 6 X 6 And 2 -2 X 4S On Either Side Works Well For The Correct Height. Take extra care to not dent or ding the pilot diameter surfaces. Sop Up Remaining Fluid In Bottom Of Case. If You Are Installing New Pinion Gearset , You May Want To Check And See Is End Of Old And New Pinions Have Marks Like +1 Or -2.
Step-27: Tighten Adjuster Nuts Lightly tighten the adjuster nuts. Install Axles And Torque 4 Nuts To 50-75 Ft-lbs. I Gave Up On Gaskets, As They Tended To Leak For Me. These plates have the mating teeth in their inside diameter and line up with the teeth on the inner plate carrier. This post will add more information to the tools needed to service any 3rd member. Over the years I've had 2 done by 2 different Shops. Step-14: Install Pinion Cartridge Install the pinion cartridge with its bearings in place on the pinion.
Shims first start with steel then alternate now the special top clutch that is metal on one side and fiber on the other. So it was scraped after all the work i did. Step-3: Press Case Halves Together Since the clutch pack is preloaded, use a press to overcome that preload and press the two case halves together. The three roll pins have been tapped in just below the mounting surface. Continue to build up the clutch pack alternating between steel reaction plates and friction plates. The work was completed by the transmission place within one week and both units returned to me. Basically I finished the pumpkin.
Measurement is very critical, if your off by. I torqued my pinion to case bolts at 40 ft pounds with red lock tight. I also found a way to test for float based on what i read. Note the solid spacer shim on the press plate; it was extra from the installation kit. To verify the shim is correct, the ring and pinion set needs to be installed and torqued in place. In this video, I press new bearings and wheel studs onto the new 31 spline axles and then cut them to fit the stock housing.