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started noticing a delay in Powerflight shifting
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udoittwo
Posted 2020-01-04 11:36 AM (#592451)
Subject: started noticing a delay in Powerflight shifting



Expert

Posts: 1231
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Location: Valley Forge, Pa.
1960 Plymouth 318/powerflight

When it shifts, it shifts solid and no issues once in gear. It doesn't slip when shifting 1st to 2nd while accelerating.
It seems to "slip" or pause[?] from reverse to forward and when I slow down to a point that it downshifts,
it will hesitate/slip between shift to 2nd but then shift solid. Fluid level is fine.

Will it get worse quickly or do this for a while. Will a fluid change help? Never dealt with this before and no idea what to expect.
Again, seems to be fine once in gear, should I rebuild before I tow this summer for 7 hrs one way?

Thanks for any help or suggestions.
Karl.
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StillOutThere
Posted 2020-01-04 1:59 PM (#592459 - in reply to #592451)
Subject: Re: started noticing a delay in Powerflight shifting



200010002525
Location: Under the X in Texas
Could be time to drop the pan and make sure the pickup is clean / change filter there.
What fluid are you using? Latest of the GM /Mercon products broadly recommended for all old automatics.
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Shep
Posted 2020-01-04 4:34 PM (#592466 - in reply to #592459)
Subject: Re: started noticing a delay in Powerflight shifting



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Posts: 3136
2000100010025
Location: Chestertown, NY ( near Lake George)
I would suggest going thru all the linkage adjustments for the throttle and carb settings as outlined in the shop manual. Or do a search here, this is very critical regarding the shift patterns.
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