Ive got a 94 gmc pick up 5.7 v-8. I loose 3 and 4th gear at the same time the speedo and the ac stop working. Transmission or computer issues?
there was no slipping. I can put it in low and manually shift to second but when
i put it into drive it rives up like im in nutueral. I changed the trans oil filter and
3rd and fourth silinoid. There was a bit of metal on the magnet no peaces.
Sounds like a trany issue, I would go to a good trany shop for diagnostics.
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