Summary of Contents for Yukon Gear & Axle
- Page 1 Yukon Gear & Axle Ultimate 88 Axle Kit Installation Manual PLEASE READ COMPLETELY BEFORE INSTALLATION © COPYRIGHT 2011 - Yukon Gear & Axle...
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Page 3: Required Tools
Thank you for purchasing the Yukon Ultimate 88 axle kit. This kit will eliminate the need for C-Clips and improve the functionality of your Ford 8.8 rear axle. Reading these instructions before you start will facilitate the installation process. When working under the vehicle be sure to use jack stands under the axles. Wear safety glasses and gloves. - Page 4 Remove cross pin. CROSS PIN CROSS PIN BOLT Remove calipers. Remove rotors. Push in axles and remove c-clips. C - CLIP Remove the axles and place a rag into the ends of the axle tubes to prevent debris from entering.
- Page 5 Remove caliper bracket and dust shield assemblies. Remove outer housing seals and wheel bearings. Clean and inspect the housing ends. Note that there is a small shoulder area as well as a tube that houses the bearing and seal. The tube area will need to be cut down flush with the shoulder. SHOULDER FLaNgE Cut the ends of the housing FLUSH TO THE SHOULDER.
- Page 6 If necessary use a grinder to finish the cut flush with the shoulder. De-Burr the inside and outside of the cut. Remove the shop rags from the housing and clean out any debris. Silicone the recess on the back side of the bearing seats. Press the bearing seats onto the housing WITH THE FLAT SIDE UP.
- Page 7 Tighten the nuts in a cross pattern to seat the bearing seats to the housing. Remove all 8 set up nuts and set them aside. Slide the caliper bracket and dust shield assemblies over the 4 bolts. The axles are double drilled for 5X4.5” & 5X5.5” bolt patterns. Use the pattern that matches your application.
- Page 8 Slide the retainer plate, spacer, bearing seal, bearing, and bearing retainer onto the axle in the order shown below. Using a hydraulic press, press the bearings onto the axles. Apply a thin coat of silicone to the seal areas. Slide the axle shaft assemblies into the rear axle. The long shaft is for the driver’s side, short shaft is for passenger’s side.
- Page 9 Using the access hole on the axle flange, thread the 3/8” grade c lock nuts onto the 4 bolts over the retainer plates. Torque nuts to 40 ft. lbs. Slide on the brake rotors. Fasten the calipers. Mount wheels and tires and torque to factory specification.
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Page 10: For Your Records
Re- install diff cover. Fill differential with gear oil. For Your Records Name _______________________________________________________________________________________ Date ________________________________________________________________________________________ Invoice Number _______________________________________________________________________________ Yukon Part Number ____________________________________________________________________________... - Page 11 Yukon Gear & Axle (“Yukon”) warrants the original retail purchaser that all Ultimate 88 Axle Kits will be free from defects in materials and workmanship for the period of one (1) year from date of sale. Yukon makes no other warranty of any kind, express or implied. All other warranties, including but not limited to an implied warranty of merchantability or fitness for a particular purpose, are excluded.