Shifting issues with Auto
09-22-2012, 08:46 AM
#1
Shifting issues with Auto
Hey guys,
84 T/A, 355, 700R4 tranny.
The car shifts fine when I'm jsut cruising and not driving hard.
However, if I get on it, at any speed in any gear, about 50% of the time, when it shifts from 2-3 or 3-4, it'll "miss" the gear and just spin.
For example, the other day I went to pass a ca on the way to work. Slammed the pedal down at 45mph, the car shifted down from 3rd to second and I took off. As soon as the car went to shift back to third, it shifted, I could fell it coming out of 2nd, but it never hit third, it just spun...as if I were in a manual and gunned it in neutral. I let off the gas, the RPM's came down the car made a not so nice clunk/grind sound, and went into gear.
this only happens when I'm under full throttle. If I just ease through the RPM's or gears, it shifts fine.
What could this be? Time to rebuild the tranny?
Tranny was rebuilt about 7 years ago to replace a front pump seal and I added a shift kit. I still had the 305 in it.
84 T/A, 355, 700R4 tranny.
The car shifts fine when I'm jsut cruising and not driving hard.
However, if I get on it, at any speed in any gear, about 50% of the time, when it shifts from 2-3 or 3-4, it'll "miss" the gear and just spin.
For example, the other day I went to pass a ca on the way to work. Slammed the pedal down at 45mph, the car shifted down from 3rd to second and I took off. As soon as the car went to shift back to third, it shifted, I could fell it coming out of 2nd, but it never hit third, it just spun...as if I were in a manual and gunned it in neutral. I let off the gas, the RPM's came down the car made a not so nice clunk/grind sound, and went into gear.
this only happens when I'm under full throttle. If I just ease through the RPM's or gears, it shifts fine.
What could this be? Time to rebuild the tranny?
Tranny was rebuilt about 7 years ago to replace a front pump seal and I added a shift kit. I still had the 305 in it.
09-22-2012, 09:33 AM
#2
Supreme Member
Re: Shifting issues with Auto
What does your transmission fluid look like, any discoloration. I might be that the 3rd and 4th gear clutches are worn out.
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