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Order Ford 4000 Parts Online

Ford 4000 SOS park?

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Douglas Miner

09-14-2012 12:32:02

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While I am waiting for my manuals to show up. My 64 4 cylinder gas 4000 tractor will roll when it is running in the park position. Is that normal? I'm guessing it's not. All of the other gears work like there supposed to. Thanks Doug

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Larry NCKS

09-18-2012 01:45:11

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 Re: Ford 4000 SOS park? in reply to RodInNS, 09-14-2012 12:32:02  
Make sure you have the proper oil and it's clean and fresh. Other than that, a delay in Park application is not abnormal if the system is not at operating temperature.

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Douglas Miner

09-17-2012 17:31:49

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 Re: Ford 4000 SOS park? in reply to Douglas Miner, 09-14-2012 12:32:02  
The park appears to be working with just a few seconds delay. I park on an incline frequently and the tractor rolls before the park catches. Both brakes need to be worked on. Dropping. The bucket is not the best brake system. Both of my manuals showed up today.

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09-15-2012 08:19:00

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 Re: Ford 4000 SOS park? in reply to Douglas Miner, 09-14-2012 12:32:02  
Sounds like sticky port valves or possibly control cable adjustment. If the utf is clean and warm it should engage 'park' immediately. You need a good manual to troubleshoot.

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Larry NCKS

09-14-2012 20:14:19

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 Re: Ford 4000 SOS park? in reply to Sean in PA, 09-14-2012 12:32:02  
If it continues to roll and never goes to Park there is something wrong. It should go to Park almost instantly when transmission is at normal operating temperature provided you have the correct oil in it.

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09-14-2012 17:08:31

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 Re: Ford 4000 SOS park? in reply to Douglas Miner, 09-14-2012 12:32:02  
mine engages almost instantly when hot, slower when cold. it seems to engage faster since the last oil change. I suppose the UTF could be thinner than the light hydraulic that was in it before.

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09-14-2012 16:34:29

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 Re: Ford 4000 SOS park? in reply to Douglas Miner, 09-14-2012 12:32:02  
Park should engage within 15 seconds or so if you are using the correct oil.

More slowly when cold.


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09-14-2012 12:54:03

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 Re: Ford 4000 SOS park? in reply to Douglas Miner, 09-14-2012 12:32:02  
Sometimes yes, sometimes no. I have two SOS's -- the 871 is prone to roll before the park engages, and the 4000 less so. Try a couple of tricks that have been mentioned here -- hold down the inching pedal, shift to 10th and then quickly to park. Some say to do the same thing from 5th. One thing's for sure -- you ought not ever trust that it's engaged until you verify, like on a hill. Othersiwise, shut it off before dismounting, then the will lock up for sure.

Good luck.


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Dave Warden

09-14-2012 15:28:04

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 Re: Ford 4000 SOS park? in reply to reb-in-pa, 09-14-2012 12:54:03  
Ditto what reb said. I also have 2 SOS"s. 5th gear always worked for me.

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