OneBad89SC
Registered User
This was posted on NHTSA
Year : 1989
Make : FORD
Model : THUNDERBIRD Year : 1989
Service Bulletin Num : 99816
Date of Bulletin: MAY 03, 1999
NHTSA Item Number: 606420
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.
My question why?
Do search for '89 here: http://www-odi.nhtsa.dot.gov/cars/problems/complain/ComplaintSearch.cfm
Year : 1989
Make : FORD
Model : THUNDERBIRD Year : 1989
Service Bulletin Num : 99816
Date of Bulletin: MAY 03, 1999
NHTSA Item Number: 606420
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.
My question why?
Do search for '89 here: http://www-odi.nhtsa.dot.gov/cars/problems/complain/ComplaintSearch.cfm
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