# Service bulletin SSM 53661

A bulletin is a manufacturer's communication to its dealers, as NHTSA indexes it. The summary is NHTSA's. The document is the manufacturer's: read it at NHTSA. A bulletin is not a recall, and listing a model year does not mean every vehicle of it is concerned.

- Type: Service bulletin
- NHTSA id: 11017346
- Published by NHTSA: 2025\-04\-30
- Manufacturer's number: SSM 53661
- Manufacturer's date: 2025\-04\-24
- NHTSA component: UNKNOWN OR OTHER

## NHTSA's summary

Some 2018\-2024 Expedition/Navigator vehicles equipped with 22 inch wheels, may exhibit an increased level of vibrations which can be felt while driving on a smooth road at speeds at or above 75 mph \(120 km/h\). Pinpoint Test G located in Workshop Manual \(WSM\), Section 204\-04 has been developed to assist with diagnosis of this condition. When submitting a warranty claim, include all results from the Pinpoint Test.

## The document

- [NHTSA's copy of the document (PDF)](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017346-0001.pdf)
- [If that address does not open, try this one](https://static.nhtsa.gov/odi/tsbs/2025/MC-11017346-9999.pdf)

The document is the manufacturer's. This site does not hold it.

## Vehicles listed

- 2018 to 2024 FORD EXPEDITION
- 2018 to 2024 LINCOLN NAVIGATOR

JSON: [/v1/bulletins/11017346](/v1/bulletins/11017346)

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