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Service bulletin 30670

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 id10090430
Published by NHTSA2017-02-03
Manufacturer's number30670
Manufacturer's date2016-03-11
NHTSA componentPARKING BRAKE:CONVENTIONAL:MECHANICAL:LINKAGE AND CABLE; EQUIPMENT

NHTSA's summary

30670 - SERVICE UPDATE. THESE VEHICLES MAY HAVE A SQUEAKING NOISE COMING FROM THE REAR UNDERBODY DUE TO HARD CONTACT BETWEEN THE PARKING BRAKE CABLE AND MOUNTING CLAMP WHEN DRIVING ON ROUGH ROADS, OR PASSING OVER A SPEED BUMP UNDER COLD CONDITIONS. DEALERS ARE TO ADJUST THE GAP OF THE PARKING CABLE MOUNTING CLAMP.

The document

No address for NHTSA's copy can be built for this communication. Ask the dealer for it by the manufacturer's number.

Components

Brakes, Equipment and accessories, Parking brake

Vehicles listed
CHEVROLET SPARK2016

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
PI1410B2018-05-21. Service bulletin. This preliminary informational bulletin provides information regarding the normal characteristic of instrument panel red brake light intermittently comes on.