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May 3, 1999 Service bulletin

Ford motor company now recommends sae 5W-30 viscosity grade for servicing any ford gasoline-powered...

Ford technical service bulletin 99816 for 1990-1999 Ford F-150, 1991-1999 Ford Explorer and 1990-1999 Ford Taurus and others.

Bulletin number
99816
Component
Engine and engine cooling: engine: gasoline
Summary
Ford motor company now recommends sae 5w-30 viscosity grade for servicing any ford gasoline-powered vehicle regardless of model year. Tt

Owners of these vehicles have filed 14,089 complaints in the engine category.

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