Recently checked my codes 85 & 87showed up. This is a 94 c3500 6.5.
Lately every once in a while the trans. will shift to 2nd from there on will just rev. up and not shift. I will kill the truck and fire it up it shifts fine.
Appreciate any help THANKS. Steven

Recently checked my codes 85 & 87showed up. This is a 94 c3500 6.5.
Lately every once in a while the trans. will shift to 2nd from there on will just rev. up and not shift. I will kill the truck and fire it up it shifts fine.
Appreciate any help THANKS. Steven

Broken direct clutch piston at least.