Ford Thunderbird 1996 — technical service bulletin
Bulletin 4643 · NHTSA communication 615181 · issued Aug 1, 1998
Technical service bulletin
communication type
Engine and Engine Cooling
component
1996
model years
2
vehicle entries
Official summary
Some vehicles may exhibit an rpm flare on a forced 4/2 downshift. Additionally, the commanded electronic pressure control is at appromately 10 psi. *tt
Vehicles covered
What a TSB means. Technical service bulletins are repair guidance manufacturers send to dealers — they are not recalls, and repairs are not automatically free (warranty extensions are an exception worth checking). The full document is available via NHTSA’s vehicle lookup.