GMC TSB #23-NA-032

2020 GMC Sierra 1500

TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
The informational bulletin advises the tech to use the glow plug bore cleaner to reduce the chance of soot building up on the glow plug causing a premature failure.

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Date Published
MAR 06, 2023
NHTSA TSB #
10233347
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