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I recently had a problem with my 2016 Pioneeer 1000-5 that I would like to share with others as it seems it could be a common problem. The following is a description of the problem.
It started with me getting a very loud clunk when shifting from reverse to forward H or L. It was almost as though the transmission felt it was going out of gear and then re-engaging. It did this for a few months before it started making a very loud and pronounced rattling sound/feeling while driving forward. I would describe it as riding the clutch with a manual transmission. It eventually would barely move forward... with the same rattling as described above. Although mine was in forward gear, it could also just as easily happen in reverse as well based on the design of the system (discovered while repairing).
Many, including Honda dealerships, will tell you this problem has to do with the clutch(s). That isn't correct as the issue lies in the sub-transmission.
Now, to how to fix the problem. If you are mechanically inclined and can do it yourself, it will only cost a approx $200 in parts, otherwise you'll have to pay whatever your shop charges for labor on top of parts. It involves removing the sub transmission case, separating the case, and getting to Honda 23751-HL4-000 - SHIFTER, LOW REVERSE and Honda 23691-HL4-000 GEAR, REVERSE DRIVE (27T). and replacing them. There are small engagement notches that mate when you shift from forward to reverse or vice versa that become rounded preventing engagement. Many shops refer to these notches as "engagement dogs".
I did this job myself and it took me about 8 hours from start to finish due to unfamiliarity with the machine and gaining access to the sub transmission. I would highly recommend finding yourself a shop manual as the sub transmission disassembly/reassembly can be very confusing.
I hope this helps others as I had a very difficult time diagnosing the problem. By the looks of it, the primary cause would be shifting from forward to reverse or vice versa, or h to l while moving. Make sure you come to a COMPLETE stop before shifting this machine. Otherwise, I can almost guarantee you will eventually have this problem.
If you have any questions please feel free to message me and I'll do my best to answer them. I don't check this thread often so please be patient if you do send me a message as it may take me a while to respond.
It started with me getting a very loud clunk when shifting from reverse to forward H or L. It was almost as though the transmission felt it was going out of gear and then re-engaging. It did this for a few months before it started making a very loud and pronounced rattling sound/feeling while driving forward. I would describe it as riding the clutch with a manual transmission. It eventually would barely move forward... with the same rattling as described above. Although mine was in forward gear, it could also just as easily happen in reverse as well based on the design of the system (discovered while repairing).
Many, including Honda dealerships, will tell you this problem has to do with the clutch(s). That isn't correct as the issue lies in the sub-transmission.
Now, to how to fix the problem. If you are mechanically inclined and can do it yourself, it will only cost a approx $200 in parts, otherwise you'll have to pay whatever your shop charges for labor on top of parts. It involves removing the sub transmission case, separating the case, and getting to Honda 23751-HL4-000 - SHIFTER, LOW REVERSE and Honda 23691-HL4-000 GEAR, REVERSE DRIVE (27T). and replacing them. There are small engagement notches that mate when you shift from forward to reverse or vice versa that become rounded preventing engagement. Many shops refer to these notches as "engagement dogs".
I did this job myself and it took me about 8 hours from start to finish due to unfamiliarity with the machine and gaining access to the sub transmission. I would highly recommend finding yourself a shop manual as the sub transmission disassembly/reassembly can be very confusing.
I hope this helps others as I had a very difficult time diagnosing the problem. By the looks of it, the primary cause would be shifting from forward to reverse or vice versa, or h to l while moving. Make sure you come to a COMPLETE stop before shifting this machine. Otherwise, I can almost guarantee you will eventually have this problem.
If you have any questions please feel free to message me and I'll do my best to answer them. I don't check this thread often so please be patient if you do send me a message as it may take me a while to respond.
