Ford Escape 2017–2019 — technical service bulletin
Bulletin SSM 49596 · NHTSA communication 10188003 · issued Feb 18, 2021
Technical service bulletin
communication type
Engine and Engine Cooling
component
2017–2019
model years
12
vehicle entries
Official summary
Some 2017-2019 Escape/Fusion vehicles may exhibit a rolling idle after an engine repair that required the crankshaft pulley removal, or a drive belt component failure. The crankshaft pulley to be slightly out of alignment in relation to engine top dead center (TDC) causing an incorrect crankshaft position (CKP) sensor signal. To determine this as the cause of the rolling idle, position the crankshaft at TDC using essential special service tool (ESST) 303-748 then remove the CKP Sensor and attempt to install ESST 303-1550. If the bolt to hold 303-1550 cannot be installed by hand, this indicates
Vehicles covered
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.