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Discussion Starter · #1 · (Edited)
We have just over 100 miles on our 2021 Commander Max XT 1000R. There is a loud vibration noise in 2 Wheel drive when accelerating up to about 4500 rpm then it smooths out. When running in 4 Wheel Drive the vibration does not occur and it runs smoothly regardless of rpm. Seems to be coming from underneath the center of the vehicle not really the back where the engine is located. As a result we run in 4 Wheel drive all the time. Mentioned it to the dealer they told us to drive it a bit more and if it continues they are going to take a look at it. Brand new machine so it is disappointing. Anyone else having similar issues or ideas on what it could be?
 

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Front drive shaft is probably not true or to far out of phase. If front wheels are turning the drive shaft us turning but no load of course when not in 4wd. Jack all four corners up put on stands put it in gear have someone throttle it up to around 2500 and you look in from side at the drive shaft and see if its wobbling. On either end .
 

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We have just over 100 miles on our 2021 Commander Max XT 1000R. There is a loud vibration noise in 2 Wheel drive when accelerating up to about 4500 rpm then it smooths out. When running in 4 Wheel Drive the vibration does not occur and it runs smoothly regardless of rpm. Seems to be coming from underneath the center of the vehicle not really the back where the engine is located. As a result we run in 4 Wheel drive all the time. Mentioned it to the dealer they told us to drive it a bit more and if it continues they are going to take a look at it. Brand new machine so it is disappointing. Anyone else having similar issues or ideas on what it could be?
This is a well know issue with the Maverick sport max and now the new Commander max (the rattle). Can am has issued a fix for problem. Hope this helps.


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Discussion Starter · #4 ·
This is a well know issue with the Maverick sport max and now the new Commander max (the rattle). Can am has issued a fix for problem. Hope this helps.


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Thanks so much @plummcrazy58 this is really helpful!!! Sounds like exactly the issue we are experiencing. Strange that Can Am already knows about the issue and continue to sell new machines without fixing it??
I will share with these instructions that you provided with the dealer. Do you happen to have the rest of the solution instructions, it got cut off after #2. Thanks again! 🙏
 

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I have a 2021 Commander Max XT. It has had this vibration from day1. It gets fairly obvious around 3800 RPM, and continues up to 4900! At 5000rpm, it quits like flipping a switch, very smooth above & below those rpm's. I now have 160 mi. on my buggy.
I own & run a repair/modification shop for 22yrs... The "set screw" bulletin was done, along with making sure the u-joint phasing was correct. It made ZERO difference in the vibration.
This is a big problem nation wide, it does not effect all units for some reason, and CanAm has zero clue of what's causing it. If they do, they are not owning it. If I wanted to be a Guiney Pig, I'd have bought a Polaris.
Beyond pissed is an understatement !!
 

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Discussion Starter · #7 ·
I have a 2021 Commander Max XT. It has had this vibration from day1. It gets fairly obvious around 3800 RPM, and continues up to 4900! At 5000rpm, it quits like flipping a switch, very smooth above & below those rpm's. I now have 160 mi. on my buggy.
I own & run a repair/modification shop for 22yrs... The "set screw" bulletin was done, along with making sure the u-joint phasing was correct. It made ZERO difference in the vibration.
This is a big problem nation wide, it does not effect all units for some reason, and CanAm has zero clue of what's causing it. If they do, they are not owning it. If I wanted to be a Guiney Pig, I'd have bought a Polaris.
Beyond pissed is an understatement !!
Same. Had the dealer install the "set screw". Made no difference, the annoying vibration is still there. It's ridiculous and especially for the cost of this Can Am, wishing I could get my money back.
 

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Same. Had the dealer install the "set screw". Made no difference, the annoying vibration is still there. It's ridiculous and especially for the cost of this Can Am, wishing I could get my money back.
Without CanAm approval, the dealers don't get paid under warranty. This makes them very unlikely to dig very deep into the situation. They are more likely to find a "band-aid" than actually determine what's causing it. I WILL figure this out, but its going to take some time. I don't move as good as I used too.
 

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Discussion Starter · #9 ·
I have a 2021 Commander Max XT. It has had this vibration from day1. It gets fairly obvious around 3800 RPM, and continues up to 4900! At 5000rpm, it quits like flipping a switch, very smooth above & below those rpm's. I now have 160 mi. on my buggy.
I own & run a repair/modification shop for 22yrs... The "set screw" bulletin was done, along with making sure the u-joint phasing was correct. It made ZERO difference in the vibration.
This is a big problem nation wide, it does not effect all units for some reason, and CanAm has zero clue of what's causing it. If they do, they are not owning it. If I wanted to be a Guiney Pig, I'd have bought a Polaris.
Beyond pissed is an understatement !!
 

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Discussion Starter · #10 ·
Without CanAm approval, the dealers don't get paid under warranty. This makes them very unlikely to dig very deep into the situation. They are more likely to find a "band-aid" than actually determine what's causing it. I WILL figure this out, but its going to take some time. I don't move as good as I used too.
Let us know when you figure it out. I am trying to reach CanAm directly and bypass the dealer. Not sure if it will work but gotta try.
 

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I also just recieved my 2021 Can am Commander Max XT which I ordered in April. Noticed the same exact situation Everyone else is having. Lots of noise and vibration from 4,000 to 4,800 rpm. It's definitely not normal. Took it back to the dealer with only 9 hours on it just today. Took them for a ride in it to show them what I was hearing. The mechanic started off by telling me sounds like maybe some nuts bolts or rocks clanging around back there. I laughed at him! As we all know that is not what it is. I told him about the set screw and bearing from above picture and he said he had done that before on the Mavericks but didn't believe that was the same sound. Either way he didn't seem like he had a clue. I simply said well just give me a call when it's fixed. Will let you know further what I find out too.
 

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This isn't a unknown issue the x3 has had this issue sense day one 2017. The fix is a solid mount carrier bearing . All the chatter and vibration was gone immediately. The woman that owed it called after first ride and asked me what else I done to it other than replacing the carrier bearing . But that was it. It really made that big of a difference.

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This isn't a unknown issue the x3 has had this issue sense day one 2017. The fix is a solid mount carrier bearing . All the chatter and vibration was gone immediately. The woman that owed it called after first ride and asked me what else I done to it other than replacing the carrier bearing . But that was it. It really made that big of a difference.

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I've looked into the solid carrier brg. some. My concern is that a solid bearing will transfer vibration into the pinion & trans bearings. IDK... ive just got to process this some more.
 

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It takes the flop out of the drive shaft . It's not really a vibration is a high ram load. Sandcraft and other have been making them for the Polaris machines from day one of the 900. Front shifts are to small in diameter they flex way to much . After x3 has same issue they started making them for the xe then so did several other companies . Yo put sold bearing in and the flexing stops . Which also stops the rear of the shift from moving up and down which stops the chatter .

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My brand new 2021 Commander Max Xt has this exact issue right out of the gate, it rattles like hell around 4600RPM. It also sweats front differential oil as well after the first drive!!! Very disappointing after spending 24K. I have it at the dealer for the diff leak now and mentioned the set screw solution for the rattle. Not sure if they are going to follow thru with the set screw or not? Is there an after market carrier bearing that you can purchase for the 2021 Commander Max XT?
 

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My brand new 2021 Commander Max Xt has this exact issue right out of the gate, it rattles like hell around 4600RPM. It also sweats front differential oil as well after the first drive!!! Very disappointing after spending 24K. I have it at the dealer for the diff leak now and mentioned the set screw solution for the rattle. Not sure if they are going to follow thru with the set screw or not? Is there an after market carrier bearing that you can purchase for the 2021 Commander Max XT?
Sandcraft does not currently offer one for the 2021 Commander Max XT... it's in the works. At least that's what they told me.
 

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Guess you missed my point . Factory carrier bearing is the same in all three machines. So the x3 sandcraft bearing is build to replace the oem bearing with means everything Is the same geometry and dimensions. I will dig a little deeper . I would bet Maverik max uses same drive shaft as commander max. And the x3 bearing crosses to the maverick max as well.


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