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Cadillac TSB #18NA104

2018 Cadillac XTS

TSB Document:

MC-10137541-9999.pdf

Affected Component: ENGINE AND ENGINE COOLING

Summary: This informational bulletin provides information on Hoot, Whine, Buzz, Hiss Noise Coming from Vehicle After Engine is Shut Off and that its a normal condition and no parts should be replaced.

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Date Published: APR 05, 2018
NHTSA TSB #: 10137541

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