• Step:17 Check Pinion Preload. I have a Snap On TE12FUA as well. The wrench slips to disengage and stop turning the fastener, preventing overtightening. I would use the GM published spec of 20-25 inch pounds with New Pinion bearings installed. 16-28 in-lbs sounds about right if you install new bearings along with it, which you are not obviously. Make sure to put some loctite on the threads! It's not like a dana set up where you use shims to set the preload and the torque on the nut is always the same value (175 ft/lbs for a D60 if I remember correctly). If the pinion bearing preload exceeds the specifi ed allowable range, install another new crush sleeve and start over. 6 0 obj <>stream x��Ymo�8� �A��Uo~;ַ�C�����>�I��4��i�"%Y�c; Rotate the pinion around 20-50 times by hand. Need to set preload on pinion bearings. �26S075SI�r
� When I tighten the nut down all the way before torquing it down there is still play in the pinion. 18 0 obj <>stream x�+�r �26S075SI�r
� Once preload has been set, install the pinion seal and the pinion locking nut (apply red Loctite high-strength locking compound or equivalent). But in this article on how to set pinion bearing preload without torque wrench, we will help you find a few ways. endstream Once the pinion depth has been set, pinion preload must be applied while rotating the pinion. I'm setting up my first ring and pinion and I have to set the pinion rotating torque to 10-15 in-lbs. These are small and usually have a 1/4-inch drive. Once the pinion has been seated, recheck the pinion preload with your inch-pound torque wrench. endstream 22 0 obj<>/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]>>/Parent 3 0 R/MediaBox[0 0 612 792]/Contents 21 0 R/Type/Page>> endobj A torque wrench is the best tool to use in this situation. x�+�r k. Reinstall the ca rrier assembly and recheck the backlash, pattern , and carrier preload. Shop our vast selection of products and … Once the preload is close by feel, check it with an inch-pound torque wrench. �26S075SI�r
� (use thread locker on the nut) Set pinion preload to factory specs. Check again rotation torque on the pinion bearings with your inch pound torque wrench. �26S075SI�r
� The easiest way to set your preload on any differential is with an inch/lbs torque wrench. Most are 1/4 drive so you will probably have to have a couple adapters to get to your socket size. Keep this up until you have reached the pinion preload torque specified in the instructions with your kit. Have to measure 10 - 20 in-lbs. �26S075SI�r
� k. Reinstall the ca rrier assembly and recheck the backlash, pattern , and carrier preload. You can tighten the nut in fairly big chunks until you get most of the play out of the pinion gear, but when you start getting close to zero play on the bearings, SLOW DOWN. Sunluway 6602 Differential Bearing Preload Wrench Fits for Chrysler, Dodge Vehicles with 7-1/4, 8-1/4, 8-3/4, and 9-1/4 Rear axles, Replacement for Miller C-4164 4.7 out of 5 stars 68 $24.99 $ 24 . 25 0 obj<>/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]>>/Parent 3 0 R/MediaBox[0 0 612 792]/Contents 24 0 R/Type/Page>> Performance & security by Cloudflare, Please complete the security check to access. If the pinion bearing preload endstream x�+�r Pinion bearing preload, assuming your pinion depth is correct which it should be since you haven't modified that, is set using a crush sleeve from the factory, or using a solid spacer and shims in the aftermarket (which I prefer). endobj endstream 24 0 obj <>stream So, after it starts to deform, do I set the torque wrench to 16 in/lbs and try to tighten the nut. The slack would leave the pinion bearings with little or no preload. endobj �*T0T0 B�����f����� �c � I have the inch-pound torque wrench. I have the inch-pound torque wrench. endobj 13 0 obj<>/ProcSet [/PDF /Text /ImageB /ImageC /ImageI]>>/Parent 3 0 R/MediaBox[0 0 612 792]/Contents 12 0 R/Type/Page>> 9 0 obj <>stream It will have to have a needle or a dial to do this, the click kind will not work. It's not like a dana set up where you use shims to set the preload and the torque on the nut is always the same value (175 ft/lbs for a D60 if I remember correctly). endstream Exactly what does this mean? endobj endobj Pinion bearing preload positions the bearings such that the pinion gear is held firmly in place, but still allows smooth rotation of the gear. x�+�r Find the best Dial Torque Wrenches at the lowest price from top brands like Snap-On, Proto, Sturtevant Richmont & more. &�%��� &X�Spi�G��x�f|�Q�v��{��d�U��.�����j
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;�/94�����St'�(%e� Setting the Pinion Bearing Preload Minus a Torque Wrench. use an inch-pound torque wrench to check the preload. It says to set the "pre-load" to 16-29 inch/pounds of torque for a new bearing. Looking at the two options you posted, I would choose the beam one since that will work and you are not sure about the digital one from HF. So, after it starts to deform, do I set the torque wrench to 16 in/lbs and try to tighten the nut. �26S075SI�r
� 12 0 obj <>stream A specialized inch pound torque wrench is required to set the pinion bearing preload, right after utilizing a high-quality pinion depth setting tool. endobj You need a wrench that measures 0 to 20 in-lbs in 1-inch increments. endobj endobj The pinion preload will be zero until the bearings contact the races but will then increase very quickly. You can adjust or set the pinion bearing preload by turning the pinion nut to tighten or shorten the spacer. Use an inch-pound torque wrench to check the preload. It takes considerable torque to turn the pinion nut, and it can be tricky towards the end. Use an impact wrench or huge breaker bar to apply the torque necessary to crush the sleeve. It will have to have a needle or a dial to do this, the click kind will not work. Be sure the bearings are well oiled. �26S075SI�r
� The easiest way to set your preload on any differential is with an inch/lbs torque wrench. There are usually two types of torque measurements on a click-style torque wrench, depending on its purpose and size. The nut is there to keep a preload on the pinion bearings, that is why you use loctite to lock it in place. The pinion nut should be torqued to 8-14 in-lbs. 21 0 obj <>stream Once you’ve achieved the proper preload, lightly tap both ends of the pinion to seat the bearings, races and yoke. Wrenches come with a calibration certificate traceable to NIST that states the product has passed a test for accuracy. If the pinion bearing preload exceeds the specified allowable range, install another new crush sleeve and start over! endobj If preload setting … I am redoing the bearings in my chrysler 8.25 and I've gotten it down to setting the preload on the pinion. If the preload is too loose, remove shims so that the bearings will be tighter against the races and increase the preload. The forces on the pinion gear are tremendous in that the driveshaft, which is connected to it, transmits the power to the pinion gear then to the ring gear and then to the axles and tires. I understand about turning the pinion nut until the crush collar starts to deform. A clicker torque wrench is hard to get a good #. ��ER$��dr���|y���옰W����9��pA�_�N��ㄳ������$��p��-���C��LN�H�V��p���"ST�T��1*22�RΖ�ۛL����E��t�eENU�R�Bݶh$[��2��e�.BT�0m��U�3�e���*+�0��G:��
�*�E2�yf鈋d��r���5�PT;�/�kJ֏�u���en�^,RYFb��+��r�U���*��s��J�K��G��#b�����zK�c���ש`0'�d���ij�k*%�O��K7H~�(�iV��TS�l��Y�B��&5�1T9$��M-+MӁQ�h�7|丵j�)�Ÿ��R�(���5e���s�o 0��ϭ�2�RX�C�~�wF�vE\�d9ͬ��q Here's my concern. I'm test fitting w/ shims and the Old crush spacer ( .433" long) and snugging the pinion nut then checking preload w/ a Kgf/Cm beam torque wrench ( converting to lbf/in) Just so I get the feel and have a starting point to mill the longer spacer to. Setting your torque wrench to the right torque on a click-style wrench is pretty simple. The pinion preload will be zero until the bearings contact the races but will then increase very quickly. the pinion, and install the crush sleeve and or preload shim stack along with a new pinion seal and nut. Most are 1/4 drive so you will probably have to have a couple adapters to get to your socket size. The forces on the pinion gear are tremendous in that the driveshaft, which is connected to it, transmits the power to the pinion gear then to the ring gear and then to the axles and tires. When setting up a ring & pinion, there are four critical settings that need to be correct in order to get proper setup and good gear life. 23 0 obj <>/Font<>/ProcSet[/PDF/Text/ImageB/ImageC/ImageI]>>/Type/XObject>>stream Once the companion flange feels snug, turn the pinion nut in 1/8 inch increments, and then with each turn, check the turning tension with an inch-pound torque wrench. I may be able to borrow one … %PDF-1.4 Using the large torque wrench, torque the pinion nut down five more lb-ft and rotate the yoke with the inch-pound wrench again, checking the reading. Check again rotation torque on the pinion bearings with your inch pound torque wrench. The modern version of the torque wrench is an electronic torque wrench. Pinion pre-load is lost gradually over the life of the differential as the bearings and or race wears with use. Another way to prevent getting this page in the future is to use Privacy Pass. I am installing the pinion on the Ford 8.8 axle I am restoring and also need to use an inch pound torque wrench. x�+�r If you are on a personal connection, like at home, you can run an anti-virus scan on your device to make sure it is not infected with malware. endstream PERFORMANCE TOOL 1/4" BEAM STYLE TORQUE WRENCH. Adjusting pinion bearing preload is necessary to make sure the conical bearings that support it are seated and positioned correctly. �*T0T0 B�����f����� �N � Proform Parts 66516 - Proform Pinion Setting Tools. Z8�Y/T��m��c��@���!v&x&�| Despite the arrival of digital torque wrenches, ... making the wrench a doddle to set in both units.