AZRodDave
Well-known member
I was told it was rebuilt 3000 miles ago. It is in the 1990 GMC Suburban I just got from a friend and it doesn't want to upshift. He said it was always like that with a sly giggle. Tried looking up info online, but nothing really specific other than check fluids and other general info, then "take it to a trans shop." Uh, no. I figure some of you knowledgeable fellows would know why? Thanks in advance.