transmission will sometimes shift when hot. wont shift when hard. Whats wrong?
on 1992 Mercury Topaz

I took motor off to fix harmonica balancer and main bearings when I put motor back started right away. Now transmission sometimes shift when hot. i changed fluid and filter and that still wont help.

Asked by for the 1992 Mercury Topaz
2 answers
scan for trans codes and post or seek free diag at aamco
Re-check all linkage and related adjustments (electrical also)-make sure connectors are tight.