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Service bulletin PI1420B

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.

The communication, as NHTSA indexes it (as of 2026-10-19)
TypeService bulletin
NHTSA id10139260
Published by NHTSA2018-06-04
Manufacturer's numberPI1420B
Manufacturer's date2018-01-30
NHTSA componentSTEERING; SEATS; STEERING: STEERING WHEEL/HANDLE BAR; SUSPENSION

NHTSA's summary

This preliminary informational bulletin provides repair information to correct a customer concern of vibration felt through the steering wheel, drivers and passengers seats or floor while vehicle in drive at idle.

The document

The document is the manufacturer's. This site does not hold it. NHTSA files a document at one of these two addresses; we have not asked NHTSA which.

Components

Seats, Steering, Suspension, Steering column and wheel

Vehicles listed
CHEVROLET IMPALA2014, 2015, 2016, 2017, 2018

Listing a model year does not mean every vehicle of it is concerned: the document says which.

Other bulletins for the same vehicles and component
PI0659C2018-05-29. Service bulletin. This preliminary bulletin provides a procedure to repair or replace the steering column seal to correct the customers concern of a groan, squeak or rubbing noise when turning the steering wheel.