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Wayne in Tn.
08-30-2002 10:31:13
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Re: 420 W Transmission noises.....help in reply to Russ from NC, 08-30-2002 06:53:19
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Russ, it is common for the 40 thru 430 to have some gear noise when moving in any gear, I have been all through them and replaced every bearing and race, and still have the gear noise, so this evidently is just 40 odd years of wear on the gears themselves. But if you are having a severe noise while in nuetral, this sounds as if it can be fixed. To determine if it is in the trans. depress the clutch pedal, if the noise stops, this means it is in the trans. more than likely something on the input shaft, bad bearings or problems with the shaft. Also there are shims to adjust the preload on the bearings.I doubt if you can tell much by just looking in the top of the trans. unless it is something real obvious. Also making the noise downhill, sounds like one of the shafts moving forward due to missing shims, bad bearing or nut backed off. In order to inspect all the bearings, shafts, seals,ring & pinion, ect. you will have to break it into and remove the final drives. This is not that bad of a job, if you have access to a cherry picker type engine hoist or overhead hoist or come a long. If you go into it and need bearings--I have compiled a crossover chart for after market parts that are much cheaper than Deere. It was compiled for the 40 but many of the numbers are the same on the 430, let me know if you need a copy and send me your e-mail address.
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