Trans removal: John Deere Gator  -- Utility ATV Discussion Forum and Review Trans removal: John Deere Gator -- Utility ATV Discussion Forum

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Discussion Boards > Active Subjects > Messages as Posted > John Deere Gator Forum

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 03-21-2010, 21:28 Post: 169415
dbc105



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 Trans removal

I am going to help a buddy repair his 2001 4x2 Gator, it jumps out of gear when loaded like going up a hill. If he puts his hand on the shifter and applies a little pressure it will hold. I have adjusted the linkage and it still does it. Since the shift shaft going into the top of the trans has no play, I figure it is the shift fork or the dogs are worn and that means these parts need replacing. I have a question about removal. If I remove the 4 bolts that bolt the axle carriers to the frame, will the half shafts just slide out of the trans? I think once I get it on the bench I can split the case and check everything out just like I do on motorcycles, though this should be simpler with only a forward and a reverse.

Thanks for any and all help,
DC






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 03-22-2010, 06:10 Post: 169423
gatoraider



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Yes, there are sleeves on each axle and all you end up with is a small splined shaft on each side. When you split the case, remove all the bolts, turn it around with the input shaft facing you and push the input shaft and that side of the case out and the whole thing will stay together. Your side of the case has nothing in it but the one brake system. Once you get the case apart remove the input shaft, chain and sprocket as one unit and you are good to go. There is a spacer washer behind the large bearing on the input shaft, it usually stays in the case when you pull the input shaft out. No need to get into the brakes. Your problem is on that input shaft somewhere, or the tang that rides in the shift collar broke off the shift lever.






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 03-22-2010, 22:58 Post: 169447
dbc105



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Thanks for the help Gatoraider. Are there any clips that hold the axle sleeves in place? Everything else sounds pretty simple. I'm mostly expecting to find worn shift dogs going by the symptoms.

DC






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 03-23-2010, 05:47 Post: 169449
gatoraider



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There are clips on the axles, but they are just locators and don't have to come off. The dogs you talk about aren't there. The way it shifts is there is a tang or pawl on the L at the bottom of the shift arm and it rides in the shift collar. The collar has three positions and is held in position by a spring and two balls that push into grooves on the inside of the shift collar. What happens is either the tang breaks off and ends up just riding in it's hole in the shift arm or the gears on the shift collar and/or the forward gear get smashed and won't mesh cleanly. The reason it doesn't stay in gear is the shift collar doesn't make it far enough into gear to let the spring mounted balls seat in the grooves on the back side of the shift collar. Make sure when you slide that shift collar off you have your hand wrapped around the input shaft, because when the collar clears the spring loaded balls they will fly. Oh yeah, you better take some lubrication with you to the Deere store when you go to buy parts. That forward gear is almost 200.00, if you need it. Actually I may have some parts here, depending on what you find.






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 03-23-2010, 06:57 Post: 169450
dbc105



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Thanks for all the help. I'll let you know what I find.
DC






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 03-25-2010, 21:53 Post: 169512
dbc105



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Gatoraider, I got it apart and the tips of the forward gear are rounded off just on the tip and the shift collar is the same way. I would have thought they would make these parts to engage a little deeper. He did say that if the engine is cold, it is rev'd up a little, choke I guess, and grinds getting into gear. no doubt because the belt is turning. everything else is very clean. I guess it will take a forward gear and a shift collar to fix it, can you check to see if you have these parts? Also, if you have a reverse gear/sprocket, I may just replace it because I am in there. It has not been slipping so I didn't really look at it.
you can email me at dbc105 at yahoo dot com with prices. Thanks for all the help.

DC






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 03-26-2010, 08:51 Post: 169529
gatoraider



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Those rounded edges hang the collar up as it slides up the shaft. Sometimes it won't go all the way in gear. Also there are three places on the shift linkage that have spring tension connections. Two are under the cowl and one at the transaxle. It is important that these springs are tight. If they are broken or loose they will cause shift problems like you have and contribute to the rounded edges you speak of. I will email you.






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 03-26-2010, 23:10 Post: 169561
dbc105



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The spring on the transaxle is there but I don't remember seeing any springs on any of the other linkage. May be the cause of the problem. He did say that if he held the lever down it would stay in gear. Thanks for your help. I'll watch for your email.

DC






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Discussion Boards > Active Subjects > Messages as Posted > John Deere Gator Forum

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