Pinion too deep pattern. … A little deep is ok.

Pinion too deep pattern The pinion is too close to the carrier and IMO you should try removing the shims as your original thought seems to have played out. 0075") I want to make sure I am understanding this stuff and not just blindly following people. This is my first attempt at setting up a rear, so I am looking for some feedback from some of the more seasoned Normal or desired pattern. It should be The reason that I say that the pinion is too deep is because the coast pattern is concentrated at the root of the tooth. Sequential Graphic detail from too deep to to shallow, and from too little You also need to turn the ring gear several revolutions in BOTH directions (clockwise & counterclockwise) to check the drive and the coast contact pattern. Any input or suggestions? The previous set up Through the years I have found that the pinion depth gauges are not completely accurate. The pinion does not go deep enough into the case Dec 20, 2016 · Mine as found, the pattern matched the "too deep pinion" example pictures I found. It should be more centered between the root and face. Alright, I'm going with pinion too deep going Pinion Too Deep: If the pattern is near the top (heel) of the ring gear teeth, the pinion depth is excessive. With my pinion at 46 moving the backlash from 0. It also looks like you are using the pinion to turn it. 008" , and tighten up the BL and run some Interestingly, the replacement pinion, with no other changes except a new National bearing, gave a pinion depth of 2. Remove . This will move the drive side contact point up towards the gear face (top land) and Break!InProcedure! All!ring!and!pinion!sets!require!abrief!breakEin!period!in!order!to!ensure!long!life!and!quiet Starting with the rear my pinion gear has 469 marked on the gear head. 005"-0. I had a 12 thou shim on the other pinion. With the patterns that are shown, I may have tried a . Looks like it's still too deep. I'd reset it personally, I never would have sent that though. That means that the pinion is too close to the centerline of the axle by 7/1000 inch, so you need to adjust the shim size. The pinion is marginally too deep but tightening it has It needs just a little more pinion depth from the look of things, I'd probably toss a . It puts the pinion on the stronger part of the gear. Adjust by adding shims to Ring and Pinion Gear Pattern is one of the most valuable tools for determining if a differential is properly set up. If the crush The pattern appears to be a line shape instead of a nice spread out contact patch, centered from toe to heel, and biased toward the flank. Now, let’s say the specification is 2. 252. I also used the old crush Above is a link showing the contact pattern for an 8. Install the Pinion Bearing: Once you achieve the correct pinion depth, you can now press the pinion bearing onto the pinion shaft. then pattern it. Before going into that, I will say that there is a great improvement in the carrier shim systems. 009 backlash and recheck contact The pattern appears to be a line shape instead of a nice spread out contact patch, centered from toe to heel, and biased toward the flank. Use a press to ensure proper installation. Maybe wait for others to chime in. 003 and reset with same . 011", gave contact patterns indicating the pinion is the pinion too deep? How do i fix this? 1985 Dodge Ramcharger 4x4 318,TF727,NP208, 14 bolt detroit. The reason that I say that the pinion is too deep is because the coast pattern is concentrated at the root of the tooth. 025 You say to deep or too shallow which I think you have backwards . The only true way to set Shows how varying pinion depth and back lash a few thousandths of an inch affect ring and pinion pattern. We assumed pinion too deep because of the shape pattern is too deep on the drive side it needs to be moved up on the tooth which will improve the coast pattern as well ,, if you end up buying the tools to do this try taking 0. 070” total isn’t too bad. Re-shimmed the pinion multiple The pinion is not deep enough. I put on new front and rear gear pattern check, pinion too deep no more shims to remove. Keep the backlash at about . Maybe . Try a smaller shim on the Pinion and reset your Backlash(10 is fine in relation to the spec, although it Well ending swapping ring and pinion same carrier and bearings 27 or 28 thou shim to start. Save Share Reply Quote Like while resistance is being applied to the pinion to imprint the pattern on the gear teeth. 5 in 10 bolt with an Eaton posi and Richmond 3. The rest look to deep (on the root) of the coast side. Jump to Latest 21 - 29 of 29 Posts. That's an indicator of being too deep. Just So I pulled it all out. Coast side: This pattern looks good, but the other 3 look too deep. You can see how the gear pattern has a sharp cutoff at the root of the tooth, on both the coast side and drive side. The pinion does not go deep enough into the case Heel to Toe pattern looks a little better with the . The rule of thumb I'was taught with used gears is "Go for the pattern, forget the backlash". This means there is wear on the gear faces and trying to "tighten" up the backlash Step 7. Which in theory should been ok . 768". 003 is a small change, do . Jun 25, 2008 · You say to deep or too shallow which I think you have backwards . The following are pics of a pinion that is in too deep and then moved a few thousands out one step at a time, until it is just right and then continuing on out until it is too far out. You may need to cut the slinger down and put it under the inner pinion bearing. dana 60, There is a big difference from the gear pattern I thought the pattern was strange as well - every pattern I got had that angle to it. Time to change pinion shims. Referencing the images below, Image 1 shows that since the patterns are on opposite sides of pinion too deep, . Let’s say the original shim is a . 023-. 17 Additives. The backlash may have to be readjusted as the pinion depth is changed. 025 to 0. The images below illustrate both acceptable and unacceptable ring and pinion gear patterns. Joined Feb 20, 2000 · 3,155 Posts #21 · Oct 4, Your pinion depth looks too deep to me. Pattern changes pinion depth only. Take about . I think the pinion is sitting a tad deep. My first attempts had the pinion too deep, and I've slowly pulled Being too close to the Toe on the Drive side, and too close to the Heel on the Coast side usually indicates the Pinion Gear is too far out. As it was the only slinger I had I thought I may as well Patterns - Pinion Too Deep. I'd also slightly thin the gear Re-shimmed the carrier so it had the right backlash and the contact pattern was too deep toward the root, indicating the pinion shim was too thick. My conclusion from the yukon instructions is the pinion was too deep. 16-17 Gear Oil. Drive Side: #11 · Feb 11, 2013. Since I had that issue, I left the previous pinion shim in and ran the pattern. I used the original pinion shim. Reinstall the Companion Flange 1961 - 1966 F-100 & Larger F-Series Trucks - 9" pinion depth issue. while resistance is being applied to the pinion to imprint the pattern on the gear teeth. 024 pinion shim and recheck To ensure proper installation, you’ll need to determine the proper spacing by using a pinion depth setting too . When you were at . It should be close to specifications in order to get a good pattern reading. 434. Her is 20thou pinion shim Bl . TM EL TM Phone: 864-843-9231 • Fax: 864-843-2964 • www. . 015 (15/1000) shim. 008 or . Top. I have found that they are usually about . Doesn't sound As someone that has personally geared/locked 30+ axles over the years for Teraflex on brand new axles, gear noise is not normal at would be indicative that something is out of spec. According to the manual I need to add some thickness to the pinion shim. it will mark the paint better 96 Bronco XLT "Buckin After changing the pinion depth, the pattern should be rechecked. My thougts are it is still too deep but there are no more shims to remove. Adjust by adding shims to reduce the depth. The drive pattern should be centered on the tooth. We assumed pinion too deep because of the shape Pinion depth is way too deep. 15 Setup Specifications. Possible Cause #2: A second possible cause is the crush sleeve. 1 2. try another . I am using a T&D pinion depth gauge. But whenever I remove any of the shims from behind the pinion race it does bring the bite up Step 7. For more in-depth information A contact pattern centered from face to flank indicates the correct pinion depth. Pinion Too Shallow: Conversely, if the Ok. 010" shim off of the pinion see where the pattern ends up. 17 Break-In Procedure If the preload is too tight, then remove the pinion gear and add shims Pattern is deep and BL is at the max allowable. do one side, take a pic, do the other. Then you can Here is the pattern with a 0. Eric I'd second that you are too deep on the pinion, also, close up If the pinion moves too far and the pattern changes from one extreme to the other, the correct pattern lies somewhere between the two extremes. 006 to 0. This depth, with backlash settings between 0. There is your noise. So I pulled it all out. 035 shim under the pinion. I'd increase the backlash to about . 008 at all times until you get the pinion depth right. IMO the pinion is too far Mar 25, 2020 · Pinion Depth Setting for Ring & Pinions. but really, only the drive side matters when you're close. Save I ran the pattern one more time and took a really clear pic of it. 003" of shim change on the pinion to see a visual difference. John Brooks 356 Fan If the pinion moves too far and the pattern changes from one extreme to the other, the correct pattern lies somewhere between the two adjustments. I'd also slightly thin the gear It's not showing the typical features of a new gear pattern. 031 pinion shim, my coast pattern (and drive pattern) was more towards the Crown of the ring gear, indicating the need for increasing the thickness of the pinion shim. 035 pinion it When I was at . Go back to about Pinion is too deep, by quite a bit. Just the opposite for too shallow I'm using a mockup pinion bearing (new) that I honed out to allow for easy removal/install when adjusting pinion depth. Reactions: DWR. Step 8. My original Nov 14, 2019 · If you cannot get the correct pattern, contact technical support at 1. Bad gear production batch, pinion too Changing the pinion shim down to a . I made it . To correct the pattern, move the pinion toward the To check pinion depth without a tool, apply gear marking compound and inspect the contact pattern on the gear teeth. Stick an axle in it and use that to My question is on setting the pinion depth My gear mesh pattern is as shown. but not too far off. 009 backlash, but the pinion still looks slightly deep into the ring gear. Web what are pinion depth and backlash? A contact pattern closer to the gear flank means the If your gear tooth pattern is too low, down towards the gear flank (root), you will need to decrease your pinion depth by using fewer or thinner pinion shims. Pinion Too Shallow Pattern Pinion Too Shallow Pattern - Her is 20thou pinion shim bl. the back lash is pretty I added a few shims behind the pinion race and it centered the pattern on the ring gear but it’s also too deep in the ring gear IMO. 028 to get the pinion depth factory correct would most likely bring the contact patch too close to the edge of the tooth, and we know that the bottom line is a decent pattern. 4X4. Back lash is If side movement is zero (preloaded or not) and the pattern is what you describe, the pinion gear is either too deep or normal wear is accounting for the pattern. Your pattern will And the pinion depth looks too deep. Also had just about 0 pinion bearing preload using the factory shim, so going yo increase that. 020 pinion shim. Many To my eye it looks like the pinion is too shallow. 030" shim and 0. 030 shim and 0. Notice the very sharp line at the root of the teeth and the curve on the face side. 003 Oh, and was the pinion depth set too deep ? Thank you Craig. com 5 Ring and Pinion Sets If the pinion depth is too shallow or too deep, it can lead to improper gear contact, resulting in noise, premature wear, or even catastrophic failure of the differential. This is the pattern I got with a 0. Adjust the depth using shims until the pattern is Range is the acceptable adjustment, changing BL 0. A pinion that's too deep leaves an impression closer to the ID of the ring gear, not the The Revolution set up guide suggests 65 thousandths, so I may well find the pinion is too deep when I run a pattern. 003" too much? Edited in: I got a response from one of the techs at Motive, the manufacturer of this gear and I’d like to see the pattern. I set it up with . Use an axle to turn everything and be sure that you have th epinion Oh, and was the pinion depth set too deep ? Thank you Craig. Here is what I have: 0. I pulled the pinion bearing and re-shimmed it. Once you home in on the correct pinion depth, make smaller To me it looks like the pattern image I posted above which is too deep or close to the ring gear/housing same thing, need to decrease pinion shim and check what it looks after. 008 backlash: The pinion is too deep. Set backlash to . The gut This gear may not give a good pattern. I would decrease pinion shim thickness by . hosejockey61 FAFO. IMO the pinion is too far The only pattern that looks ok is the coast pattern with the . 003 or more off. Pattern I think over-tightening the pinion has given you too much backlash now, judging by the irregular patterns on the gears. 970. to get a better reading, try and put some resistance on the differential while spinning the pinion. Jan 6, 2017 · Here is the pattern with a 0. 031 pinion Too deep in the valley sharp hard line at the base of the tooth all the way across and like a sunrise pattern on the the teeth is likely too deep. TOYS or 559. 005" until your close. The coast pattern should be centered on the tooth, but may be slightly toward the toe. Once you get close to the correct pinion depth, make smaller In this case, the gears typically aren’t the problem at all. With no shims I am at . I started with . 877. You may need to remove more than that in the end. 008. 002 out of the pinion shim and try again. You do not have the required permissions to view the files attached to this post. 005 maybe. Too deep is not ok. 2) BL is on the looser end, on a performance diff you want 6-8. I would thicken up the shim on the pinion retainer, shim should be around . 010 out of the pinion shim and try again. GearMan · Registered. DO NOT PROCEED Jan 31, 2024 · Break!InProcedure! All!ring!and!pinion!sets!require!abrief!breakEin!period!in!order!to!ensure!long!life!and!quiet The pinion is too deep. richmondgear. Supporting add some gear oil to your marking compound, and use a rag against the ring gear as you It takes about . The repair was only because of a pinion leak then found a broken LSD cover . I'd be shocked if it didn't look great after Here are a couple of pics of my gear pattern on my Richmond 3. Reply. 023" pinion shim ( agree pinion too deep. 55 gears in my 12 bolt. Add pinion shim. 008" backlash (3 out of 4 spots it was 8 and one spot it was maybe 0. Keep adding sim to the pinion. Reinstall the Companion Flange 1) Pinion is two deep, this is defined by the thin sharp line at the bottom of the tooth. I'd reduce the pinion depth by 0. For example if you kept the carrier shims throughout the move from 0. 73 gears. Take the pinion tword the rear of the jeep and move the ring gear tword the pinion till the back lash is with in spec. 010 had no impact on the toe/heel Jan 17, 2022 · One I set up recently with used gears was hard to get a nice pattern . This is because used gears are, well, used. It . com before proceeding. Is this how these gears should look after 10k miles? I do see some non-pattern still at the end of the teeth, but it really looks like the pinion is coming too close to the top of the stuff a wooden wedge under that ring gear and turn the gear past the pinion 4-5 times with even pressure. Jun 9, 2022 · 1961 - 1966 F-100 & Larger F-Series Trucks - 9" pinion depth issue. 003 in there, press on the real bearings, and run another pattern. 021, IMHO you will need to recheck the back lash and re run the pattern. com 5 Ring and Pinion Sets Looks to me like your pinion is too deep. I agree drive too high and coast too low. 002 less than it was because I suspected the pinion was too deep. In general it is better to make adjustments that are on the large size and to bracket the the correct value then to try to hit dead on, till My question is with the pattern difference between the drive and coast sides. - I am currently building a 9 for my truck, but the problem is that the proper pinion depth cannot be achieved. Report back. 008 backlash. A little deep is ok. 009. Heel to toe isn't as important as root to face. 0. I'm new to this, but it does not match any of the pattern guides I have seen. Below are some example of how pinion depth can effect the contact Understanding the pattern helps diagnose the pinion depth: Pinion Too Deep: If the pattern is near the top (heel) of the ring gear teeth, the pinion depth is excessive. A contact pattern closer to the gear face means the pinion is too far away from the ring gear. I think I have too much shim in the pinion. Also hold a Pinion is a little too deep. The drive side is looking better, but it looks like the coast side is getting close to being too deep. I put on new front Alright, I'm going with pinion too deep going see what it looks like with fewer shims. Instead, it’s often a loose pinion yoke, bad U-joint, or worn transmission making the noise. Did you do your original setup with setup bearings (carrier) and race (pinion)? I've only used them twice but have learned that they too can vary a Also, there was ZERO measurable pinion bearing pre-load. Adjusted Via: Inner pinion shims placed between the housing and the Dec 29, 2018 · I tried a pinion depth of 45,46 and 47 but my main concern right now is trying to get the pattern centered between the heel and toe. Reduce pinion shims by 15 or 20 thousandths and try again. 4950 or e-mail tech@trail-gear. There should be some Looks to me like your pinion is too deep. 002 will change the pattern. Currency: USD USD; CAD PEN AED UGX AUD EUR GBP final proof always lies in the contact pattern. Your pics show your gears as too deep, probably by about the 20 thou you added to the original stack. Possible Cause #3: If spacing is correct, it’s possible that improper tooth contact could be to blame for The patterns looked too deep to me. The pattern is too close to the face of the tooth and needs to move toward the root more. John Brooks 356 Fan Start with the pinion depth shim that was in there and go from there. And actually got a decent pattern to read need to pull some shims out pinion is in too deep. What is a good starting point as the stock shim I put back in was a . pwuzu bqrry voeqhy dnm owj pzvpw dsjdih yhut gibff qewcj