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2001 F 350 Down Shift Problems

 
  #1  
Old 04-15-2019, 11:05 PM
larryhag
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2001 F 350 Down Shift Problems

My F350 will not down shift out of lock up converter when you touch the brake, it will however down shift when you are climbing a grade an push the accelerator but wants to slip momentarily before the trans grabs or the clutches engage.
 
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Old 04-15-2019, 11:54 PM
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If you're more than about 10% throttle it won't unlock when you press the brake pedal. It also won't unlock if the brake lights are not working.
 
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Old 04-17-2019, 08:04 AM
larryhag
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I put it on the scanner an It shows when the brake switch is engaged but trans still will not come out of lock up an this is at no throttle
 

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