Ford TSB #4631
1998 Ford F-150
Affected Component: POWER TRAIN
- TSB Document
-  - 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# 4631. 
- Summary
- BRIEF INFORMATION ON VEHICLES EXHIBIT VIBRATION AT CRUISE OVER 50 MPH. *TT
