Washer, Plate (For Rear Differential Drive Pinion) $4.77. 8. Install bearings on the differential. REPAIRS. REMOVE DIFFERENTIAL CASE ASSY (a) Align matchmarks on the bearing cap and differential carrier. REMOVE REAR DIFFERENTIAL DRIVE PINION BEARING SPACER. The rear differential for trucks is the one that always gets used when the truck is in motion since all trucks are rear-wheel drive. Chock the rear wheels so the truck doesn't roll, put the transfer case in N and jack up one wheel under the A-arm. It alters how the vehicle negotiates turns as opposed to having both rear wheels spinning at the same speed; the inside wheel is allowed to rotate at a slower speed than the outside wheel. After checking it over, I found it to be the Rear Differential.So, I wanted to write this article on the Rear Differential Repair to help anyone that may need a … I want to install a Eaton posi, and after reading how to do it on here I don't feel confident doing it myself...especially since I don't have the right tools to properly align it. Add To Cart. Elevate the diff until you can put the rear bushing "ears" into the slots in the frame. The Ford 9- inch and older GM carriers are a separate unit that can be unbolted from the rear housing and dropped out the front as one assembly. Install a new differential pinion shaft lock bolt. Rears are sometimes offset yokes and that is OK. [Note 1:] Even with the 2-piece driveshaft, rear axle pinion angularity is very critical to smooth operation. (b) Install the 2 side gears, 2 differential pinion gears, 2 differential pinion thrust washers and differential pinion shaft to the differential case. Vibration in Drive Shaft. Use a rear bolt through the rear cover to hold it in place. Step 2: Install Rear Bolt to Hold Differential. 40. Check side bearing adjusters as they are often warped and out of shape making ring and pinion settings difficult. [Note 1:] Even with the 2-piece driveshaft, rear axle pinion angularity is very critical to smooth operation. Align the hole in the differential pinion shaft with the case lock bolt hole. But as stated in another answer to this thread ,the tranny degree down angle needs to be equal to the pinion up angle or as close as u can get it to avoid vibration. Jan 18, 2012 at 7:12 PM #1 #1. wolftree [OP] Well-Known Member. Now install and tighten the driveshaft hub bolts using a cross tightening pattern. The differential is in a 1999 Chevy Silverado 1500 it is a 8 1/2 the dots are for alignment on the side gears and pinion gears inside carrier (spider gears) are the dots for timing or alignment if so please tell me to align them SOON I need to put together and be to work in 5hrs. Check all threads in the case for ware. Install Rear Bolt to Hold Differential. Carefully lower the jack to ease the pressure on the spring. (c) Using SST and a hammer, remove the 2 plate washers. For additional information, refer to Differential Housing Cover in this section. Part Name Code: 41201D. The term differential refers to this difference in wheel speed when cornering. Now align and install the rear two mounting bolts and once they are all started, tighten them all. What is the correct way to meaure and align rear axle after leaf install? Vibration in Drive Shaft. 2. If we only went straight, no differential would ever be needed. Otherwise use a 15mm wrench / ratchet to unscrew the (6) half shaft retaining bolts out of the differential flange. Several types of differentials are used in automotive applications. So awhile back I swapped out the gears in my non-posi rear end for the Powertrax gears to get a locking differential. Replace as necessary. The rear differential is bolted to the unibody through the rear differential mount. It may be necessary to chase the treads to clean and align threads. Tighten forward bolts to 65 Nm (48 lbf.ft). Install the differential pinion shaft lock bolt. Washer, Plate (For Rear Differential Drive Pinion) Select vehicle options to narrow down result. Can be found in a Spitfire by Brian Neuschwander * * to install shaft align splines and inwards. The common open differential differential with the other fittings ) $ 4.77 cases have many of! Remove differential case and differential pinion shaft with the differential with the case lock bolt.. 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