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?

Asked by Feb 10, 2016 at 05:11 AM about the 1994 GMC Sierra 1500 C1500 SL Standard Cab LB

Question type: Maintenance & Repair

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.

1 Answer

71,405

Sounds like a trany issue, I would go to a good trany shop for diagnostics.

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