Ford TSB #99816
1991 Ford Thunderbird
Affected Component: ENGINE AND ENGINE COOLING:ENGINE:GASOLINE
- TSB Document
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- Sorry, the NHTSA has not posted this TSB document yet.
You can still get the detailed info from Ford for this TSB. Call your local Ford dealer's service department & ask for a copy of TSB# 99816.
- Summary
- FORD MOTOR COMPANY NOW RECOMMENDS SAE 5W-30 VISCOSITY GRADE FOR SERVICING ANY FORD GASOLINE-POWERED VEHICLE REGARDLESS OF MODEL YEAR. *TT