1992 Mercury Topaz Q&A

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

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. -
Answer 1
scan for trans codes and post or seek free diag at aamco -
Answer 2
Re-check all linkage and related adjustments (electrical also)-make sure connectors are tight. -