GMC TSB #PI1513G

2015 GMC Sierra 2500

TSB Document:

Affected Component: EQUIPMENT ADAPTIVE/MOBILITY

Summary
This preliminary information bulletin provides a procedure for radiator and engine coolant thermostat replacement to eliminate coolant smell and/or a slight leak at the radiator.

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Date Published
JAN 13, 2021
NHTSA TSB #
10188404
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