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-   -   03 trailblazer noise from rear (https://atvconnection.com/forums/polaris/378711-03-trailblazer-noise-rear.html)

scootergptx 06-05-2019 06:11 AM


Originally Posted by Big Frank (Post 3419817)
Should the chain be riding up the teeth where those wear marks are? I didn't have my Trailblazer long enough to know a lot about chain drives.

If it's not pouring down rain, and I remember, I'll have to look at the one I have. Instinct says no, but that's the same instinct that said to get married and settle down, it'll be fun. ;)

Katherine22 06-05-2019 07:02 AM

Lol. I dont know anything about the chain

Big Frank 06-07-2019 12:51 AM

I've been reading some stuff online about chains, and according to the technical diagrams I saw, chains ride up higher on the teeth when they're moving faster.

Katherine22 06-07-2019 05:30 AM

Interesting

scootergptx 06-07-2019 06:16 AM


Originally Posted by Big Frank (Post 3420020)
I've been reading some stuff online about chains, and according to the technical diagrams I saw, chains ride up higher on the teeth when they're moving faster.

Too be that loose and ride that low, it does look incorrect.

And yes, it did rain. And yes, when it stopped, I did forget to look at mine.


Shame I have to put a note in my pocket. :o

Katherine22 06-07-2019 07:18 AM

So do you think the whoop whoop noise is coming from a bar bearing?

scootergptx 06-07-2019 08:19 AM

Went back and took a closer look at the chain in one of the pics. It's missing orings, so add a new chain to the list. I'd also add new sprockets. If you need a new axle housing, you'll want new bearings as well. The good news is, that stuff needs to come off to remove the axle anyway.

Katherine22 06-07-2019 10:08 AM

Great. Sounds costly

scootergptx 06-07-2019 10:15 AM

Not my sale, so I can't guarantee the shape it's in, but here's an axle housing for $50. It is the same part for 1999 and 2003. Bearings were about $15. Been a while since I bought sprockets and chains, but I'd bet you can come out around $150 for all.

Big Frank 06-07-2019 08:44 PM

The reason I asked about the wear spots on the sprocket is that one of the spaces between the teeth looks out of round, but it could just be the picture. Even if the rear sprocket looked great I would take a really close look at the front sprocket. It spins a lot faster than the rear sprocket, and even though it's (most likely) heat treated steel it could have more wear on it. If the sprockets are starting to wear out you won't be doing your new chain any favors by leaving them on there.


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