Transmission Slipping - '86 Park Ave
#1
Transmission Slipping - '86 Park Ave
I have an '86 Buick Park Ave,EFI,FWD,automatic with overdrive. It does not want to shift out of first gear. The engine revs. up but tranny will not keep up. I changed tranny filter and vacum modulator.No help. Fluid was very brown.Any suggestions? Thanks