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D17 final drives
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Brian Jasper co. Ia View Drop Down
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Joined: 11 Sep 2009
Location: Prairie City Ia
Points: 10508 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian Jasper co. Ia Quote  Post ReplyReply Direct Link To This Post Topic: D17 final drives
    Posted: 07 Mar 2012 at 7:45am
The finals on my D17 are kind of noisy, mostly the left side. I put new bearings and seals in it when I fixed the brake. What I found was the axle hub shaft retainer bolt was loose, probably for a long time. New bearings didn't make it any quieter, and if anything it's louder when under torque going forward. Coasting down hill they're quiet. My guess is there is a wear pattern on the bull gear that was caused by that loose bolt and now I disturbed it by fixing the loose bearings.
Since most of the wear comes from going forward, anybody flip the finals around and find it made a noticeable reduction in gear noise?
"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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SteveM C/IL View Drop Down
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Joined: 12 Sep 2009
Location: Shelbyville IL
Points: 8555 		Post Options Post Options   Thanks (0) Thanks(0)   Quote SteveM C/IL Quote  Post ReplyReply Direct Link To This Post Posted: 07 Mar 2012 at 7:53am
I flipped finals on my 45 way back when.Dad said it was common practice back in the day when he worked on them. Drive side was flaking a few teeth on the pinion shafts.Mine weren't noisy before or after.
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DonDittmar View Drop Down
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Points: 2513 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DonDittmar Quote  Post ReplyReply Direct Link To This Post Posted: 07 Mar 2012 at 7:55am
Can you do that on the bull gear? The hub on the gear where the shaft goes through has a long side and shirt side(with spacer on short side) ???
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1968 D15D,1962 D19D
Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start
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Brian Jasper co. Ia View Drop Down
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Points: 10508 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian Jasper co. Ia Quote  Post ReplyReply Direct Link To This Post Posted: 07 Mar 2012 at 7:57am
I was thinking just swap the whole assembly. I'm pretty sure the bull gear can only go one way in there. Swapping side to side would reverse everything.
"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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DonDittmar View Drop Down
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Joined: 15 Sep 2009
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Points: 2513 		Post Options Post Options   Thanks (0) Thanks(0)   Quote DonDittmar Quote  Post ReplyReply Direct Link To This Post Posted: 07 Mar 2012 at 9:22am
Originally posted by Brian Jasper co. Ia Brian Jasper co. Ia wrote:

I was thinking just swap the whole assembly. I'm pretty sure the bull gear can only go one way in there. Swapping side to side would reverse everything.
Got ya. I dont see whay that wouldnt work........Sleepy
Experience is a fancy name for past mistakes. "Great moments are born from great opportunity"

1968 D15D,1962 D19D
Also 1965 Cub Loboy and 1958 JD 720 Diesel Pony Start
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Lonn View Drop Down
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Points: 29792 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Lonn Quote  Post ReplyReply Direct Link To This Post Posted: 07 Mar 2012 at 9:51am
Dealer would sometimes swap them from side to side on 190xt to gain new wear surface.
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Eldon (WA) View Drop Down
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Points: 7765 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Eldon (WA) Quote  Post ReplyReply Direct Link To This Post Posted: 07 Mar 2012 at 9:53am
It always sounded like the final drives were noisey on my 170 (especially in road gear). When I parted it out this spring I saw that the real problem was in the ring and pinion. It had set for 18 years in an orchard and evidently there was water in the rear end...one nice big rusty/pitted area on the ring gear.
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Brian Jasper co. Ia View Drop Down
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Joined: 11 Sep 2009
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Points: 10508 		Post Options Post Options   Thanks (0) Thanks(0)   Quote Brian Jasper co. Ia Quote  Post ReplyReply Direct Link To This Post Posted: 07 Mar 2012 at 3:04pm
I had a water condensation problem in the power director big time. When I replaced the shaft seals and I had the carrier bearing cover off, the trans looked very clean inside. Didn't see any rust issues on the ring or any other gears I could see. Did have a couple minor pits in the carrier bearing cup though.
"Any man who thinks he can be happy and prosperous by letting the government take care of him better take a closer look at the American Indian." Henry Ford
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