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RecallGazette

Vehicle problems, recalls & safety intelligence

Ford Aerostar 1989–1999technical service bulletin

Bulletin 99816 · NHTSA communication 606420 · issued May 3, 1999

Technical service bulletin
communication type
Engine and Engine Cooling
component
1989–1999
model years
60
vehicle entries

Official summary

Ford motor company now recommends sae 5w-30 viscosity grade for servicing any ford gasoline-powered vehicle regardless of model year. *tt

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.