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4020 rear seal replacement

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Kraig

05-13-2005 12:51:19

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I am going to attempt to put a new rear seal in my 4020 without the installation tool, has anyone ever done this before, any tips would be appreciated, thanks.

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Mike M

05-14-2005 11:46:56

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Re: 4020 rear seal replacement in reply to Kraig, 05-13-2005 12:51:19

That tool is not to special,you just need the diemension of the step in it. Just measure one then go make one. Or check with some of the independent tractor repair shops they may have one. You may even find one on e-bay.

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K.B.-826

05-14-2005 00:18:58

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Re: 4020 rear seal replacement in reply to Kraig, 05-13-2005 12:51:19

I agree, let the dealer do it. Like the other guy said, let them adjust the clutch while they're at it. That job also takes a special tool. You've already got the most labor-intensive part of the job done for them. Let's say it takes them 4 hours total, that's only $280. Sounds like a lot, but in reality, that's darn cheap. There aren't too many jobs you can get done professionally by a dealer for under $500 anymore. Besides, if it leaks, they will have to deal with it, not you. Anything you do without the special tools will work at first, but will give you a ton of trouble down the road.

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msb

05-13-2005 18:54:18

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Re: 4020 rear seal replacement in reply to Kraig, 05-13-2005 12:51:19

For what it is worth,Deere says if the wear ring in removed from the seal then the seal is ruined and it is nearly impossible to install the seal without removing the wear ring unless you use the proper seal installation tool.My dealer always lets me borrow tools but I also used to work for him too.I would pay the $70 an hour and let him eat the cost if the new seal didn't fix the leak.

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Kraig

05-13-2005 18:22:16

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Re: 4020 rear seal replacement in reply to Kraig, 05-13-2005 12:51:19

That is awesome two pop, I was going to make cross bars between the engine block and make a ring and push it in with bolds threaded through some kind of plate, it will be much easier your way, I like it, thanks.

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twopop

05-13-2005 17:49:48

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Re: 4020 rear seal replacement in reply to Kraig, 05-13-2005 12:51:19

find a 1/4 inch thick piece of steel. cut in a circle 1 inch larger than the rear of the crank shaft.transfer punch the hole pattern of the flywheel onto the plate.drill the plate,then use it as a tool to install the seal.place the seal in the housing then draw the center ring and the seal housing with the flywheel bolts.this method will not set the final depth of the ring.the flywheel will set the final depth when it is installed

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Silver Pig

05-13-2005 19:02:34

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Re: 4020 rear seal replacement in reply to twopop, 05-13-2005 17:49:48

For the time and cost to cobble together the plate, for a one time use, let the dealer do it, and while he's there, he can adjust the fingers on the pressure plate to the proper height, assuming its a Synchro-Range.

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Walter Squires

05-13-2005 14:32:35

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Re: 4020 rear seal replacement in reply to Kraig, 05-13-2005 12:51:19

Don't waste your time and money, you must have the instaltion tool for that job, a good JD dealer should loan you the tool for an hour or so when you buy that high priced seal.

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nater

05-13-2005 14:23:14

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Re: 4020 rear seal replacement in reply to Kraig, 05-13-2005 12:51:19

It won't work pay the money to have a john deere dealer to come out and do it. better than splittin it again

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Kraig

05-13-2005 15:51:32

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Re: 4020 rear seal replacement in reply to nater, 05-13-2005 14:23:14

I tried to borrow the tool, no way no how tried to rent it no way no how, 70 bucks an hour when the truck leaves the dealer, am almost an hour away, I might just go to another dealer.

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nater

05-14-2005 10:04:49

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Re: 4020 rear seal replacement in reply to Kraig, 05-13-2005 15:51:32

There a lot a dealer ships that will not lend out tools considering that you milk cows would you lend out your milkers so another farmer does not have to buy them?

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Kraig

05-14-2005 12:38:08

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Re: 4020 rear seal replacement in reply to nater, 05-14-2005 10:04:49

I don't milk cows and I am willing to bet they don't use that tool twice a day for 4 hours at a time, thanks.

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Kraig

05-14-2005 16:57:44

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Re: 4020 rear seal replacement in reply to Kraig, 05-14-2005 12:38:08

Well thanks for all the info guys, I got hold of my cousin who worked for a John Deere dealer that is no more and he will most likely be able to get the tool for me or he knows the guys who purchased alot of those tools who will rent it. He changed many of the seals and he said it is possible to take it apart and do it, not recommended and much easier with the tool. Tony said they never had the tool before the 30 series JD came out and that was how they use to be done (By taking them apart) putting the seal in and driving the ring in with a block of wood. Thanks again, he also said twopops idea was a good one to, I will do that if all else fails.

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nater

05-14-2005 18:05:15

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Re: 4020 rear seal replacement in reply to Kraig , 05-14-2005 16:57:44

I did not mean to offend the point was is that is how a dealership makes money kind of like how a dairy farmer uses milkers to make money. They make money on them tools. You do not go to a doctors office to get all the tools they use to give yourself a physical tell me what the difference is

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kraig

05-14-2005 19:35:33

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Re: 4020 rear seal replacement in reply to nater, 05-14-2005 18:05:15

well no prob. guess it just ticks me off, the ford dealer down the road lends tools but to each his own

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