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1970 Ford Ranger slips n all forward gears

Tiny
ALLENANGLINJR
  • MEMBER
  • 1970 FORD RANGER
Transmission problem
1970 Ford Ranger V8 Two Wheel Drive Automatic

it will shift great till it warms up to operating temp then it starts to slip n all forward gears yet reverse works great I did a air pressure test and everything worked except front servo instead of hearing a dull thud liike your supposed to all I could here is an air leak
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Wednesday, July 29th, 2009 AT 2:34 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,937 POSTS
Hi there,

Time to consult a transmission specialist, there is an obvious pressure leak at the servo, it may be the seals, or a cracked piston, they may have a known history on this type of problem, start here.

Mark (mhpautos)
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Wednesday, July 29th, 2009 AT 5:52 PM

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