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Subject: Clutch to let go on a downhill

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Ron    Posted 02-05-2023 at 22:18:10 [URL] [DELETE]        [Reply] [Email]  
  • Clutch to let go on a downhill
  • Hi All,

    Recently I was driving my ‘41 9N on a downhill using first gear, using the engine as a brake. My hill is pretty
    steep, and the clutch seemed to let go, and I was suddenly in a freewheel coast down my hill. Luckily, I have
    a front loader on it, along with my feeble brakes, I was able to get it stopped along with dragging the bucket on my driveway. It has happened a couple of times. I know of a clutch slipping going uphill, but not totally releasing going downhill like I was in neutral. It does it also in other gears too. Thoughts?

    HCooke    Posted 02-10-2023 at 17:22:28 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Clutch to let go on a downhill
  • I have experienced this on a couple of vintage Ford tractors. It is scary. But my impression was that it slipped out of gear. I always go downhill in second gear now.

    mhb@ufe    Posted 02-07-2023 at 08:06:06 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Clutch to let go on a downhill
  • If the clutch doesn't slip going up that same hill I can't believe it would slip going down.


    Pops    Posted 02-06-2023 at 19:09:18 [URL] [DELETE]        [Reply] [Email]  
  • Re: Clutch to let go on a downhill
  • Ron - One of my tractors freewheels occasionally too, but it's actually the transmission slipping out of gear vs a clutch problem. If that's the case with yours, my short-term remedy is to hold the gear shift lever firmly in whichever gear I'm using at the time (thus preventing the transmission from popping into neutral) until the stressing (downhill) portion of the ride is over. A long term fix will obviously require a transmission repair.

    Ron    Posted 02-06-2023 at 19:17:19 [URL] [DELETE]        [Reply] [Email]  
  • Re: Clutch to let go on a downhill
  • That sounds plausible, but when I come to a stop, the tractor is engaged again on its own, when I resume moving. The shifter is not slipped out of position. I never the shifter “pop” or move. I will keep it mind though. Thanks.

    TheOldHokie    Posted 02-06-2023 at 03:32:26 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Clutch to let go on a downhill
  • Sounds more like it slipped out of gear.


    Bruce(OR)    Posted 02-05-2023 at 23:09:30 [URL] [DELETE]        [Reply] [No Email]  
  • Re: Clutch to let go on a downhill
  • Clutch disc is worn out.
    New clutch disc is either a used one, a new one with less asbestos, zinc and copper in it and more likely to freeze in place due to the higher steel content of the new style disc. Then there is the Kevlar option which does not freeze in place but does not like to be slipped at all and is less tolerant of an oil leak in the bell housing area.
    The new style clutch disc means that in order to keep it vfrom freezing in place, you now have to block the clutch pedal in the released position either with a stick, rod, 2x4 or even a "C" clamp.

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