TSB Document:

Affected Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:DISC:CALIPER

Summary
Some vehicles may exhibit a rattle / knock noise from the front disc brake caliper (1) when driving on a rough road surface.This is caused by the slide pin (1) hitting the mounting support (2) due to insufficient holding power of the dust boots (3) when a shock (4) is applied from the road. To eliminate this concern, the dust boots have been modified to increase holding power.

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Date Published
SEP 24, 2019
NHTSA TSB #
10165653
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