TOPIC : running hot

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Hot LT Engine

This bulletin applies to 2016-2019 Cadillac CTS-V and 2015-2019 Escalade vehicles equipped with a 6.2L LT4 or L86 engine. A vehicle may have a concern of the engine running hot and/or has a tick noise from the thermostat.

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Hot Vette

This bulletin applies to 2014-2019 Chevy Corvettes equipped with a 6.2L LT1, LT4 or LT5 engine, regarding a concern of engine thermostat tick noise and/or running hot.

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