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    • By Andy Dickerson
      So heard the grinding noise on the drive shaft a couple of times while going down a steep hill. Never heard this before going down the same hill. I already knew about the splines wearing out because of improper heat treating so I went through the process of removing the shaft to just replace it. A lot things need to be removed to get that thing out. Once I had it remove I didn't see any wear on the splines but what I did notice was the rear spline to rear differential had ZERO grease i.e. it was completely dry and I could see rust that had developed on the shaft splines and inside the differential mating surface. The front of the shaft where it connects to the transmission was well greased. Both ends of the shafts have springs in them with the rear spring being multiple times heavier which would force the shaft to mate securely into the transmission. Unless of course the rear is rusted and starts sticking which is what I think was happening. If the rear splines begin to rust and it starts sticking and the spring doesn't have the enough force to overcome the sticking because of the rust, the shaft will not get fully seated into the transmission. If this starts happening frequently it will eventually eat up the front splines on the transmission side shaft splines which is exactly what I see in the pictures of stripped splines. 
      I don't know why the rear spline shaft wasn't greased but this would cause it to eventually stick. I have been concerned about this ever since reading about it so as soon as I heard the grinding I stopped driving it. Thankfully there wasn't any wear. I'm wondering if this was deliberate or just laziness by the assemblers. It makes no sense not to grease it. The repair manual that I purchased from motorcycle doctor specifies to grease the splines. Both shaft ends have a rubber seal meaning there's is supposed to be grease in there. 
      I used to have a gold wing and there is a special grease required for the rear drive differential which happens to be a spline shaft setup. They use a lithium grease with moly. I had purchased a couple of tube of Magnalube-gx that I never used as I sold the bike. The Hisun manual recommends using a lithium grease which doesn't have the additives of a lithium moly grease that is specialized for spline shafts. Per magnalube website. "Magnalube-GX, however, uses a proprietary matrix of advanced polymers, molybdenum disulfide, and PTFE, so it stays where you put it without getting pressed out, while also maintaining a low frictional drag."
      Anyway, long story short everything is back together and no noise. I would recommend those that haven't checked the grease in the splines on both ends to do so before the shaft get destroyed. Especially If you have heard grinding. Those rubber boots can be pulled back without having to take to many parts off. If you've been hearing grinding then there is probably significant wear already and time to replace the shaft and grease it properly.
    • Guest
      By Guest
      Good afternoon,
      I have a 2022 Bobcat 34XL.  Over time, I have to press harder and harder on the brake pedal before the ignition will fire. Now I have to practically stand on it with all my weight to get it to start.  Does anyone know if there is a spring or something that might need replacing, or have had this issue before? I don't have any schematics of the brake sensor/assembly.
      TIA
    • By Raider Rich
      I bought my Coleman 550 in 2022 from TSC, and the original battery worked fine until a month ago. I replaced it with a Super Start from O'Relly and have had trouble ever since.  Like a fool, I never looked at the maker or specs of the original battery.  I just asked for a replacement and left the old battery with O'Reilly. Can anyone tell me what battery they were putting in the Coleman 550's in 2022 or Where I can get a battery that is an exact replacement for original? 
    • By Pilot1996
      So my 2022 Tracker 800SX developed a coolant leak. Under pressure there was a pin hole size leak which was spewing coolant towards the firewall. Upon removing the tank I discovered it was bulging pretty severely such that it caused a small crack. Has anyone else experienced this? I suspect either a faulty tank or perhaps a faulty tank cap (rated at 15PSI).
    • By GunnersTacklebox
      Hey all,
      Took my Hisun sector 750 into the dealership to get a couple warranty issues resolved ( Stator died, parking brake alarm stuck on and occasional no start without throttle being applied).
      The unit was at the dealership for 5 weeks, and when I went to pick it up it had more issues. Went to start it to load it up and the starter was making a terrible grinding noise. Turned it off to see if it was a one time fluke, and after then engine shut down there was a few loud clunks from the engine area that I had never heard before. Neither issue was present prior to the shop working on it. 
      Needless to say I left it there to be looked at again. Kinda peeved since it's a couple hour round trip hauling a trailer, not happy on gas. 
      Any thoughts on what could have happened? More concerned about the clunks as opposed to the starter grinding. 
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