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TSB Document:

Affected Component: POWER TRAIN:AUTOMATIC TRANSMISSION

Summary
This Preliminary information communicates to the technician, that they may be working on a concern of a rattle or pop noise during gas engine start. That if no codes or other symptoms are present, do not attempt repairs at this time. To advise the customer that GM Powertrain is aware of this concern and working on a resolution.

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Date Published
SEP 15, 2017
NHTSA TSB #
10157007
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