TSB Document:

Affected Component: ENGINE AND ENGINE COOLING

Summary
Some 2020-2022 Explorer/Aviator vehicles equipped with a 3.0L EcoBoost engine may exhibit a ticking/tapping or rattle type noise from the top front cover area of the engine on initial start-up after a cold soak of 6 hours or more that may last for 2-5 seconds. This may be due to a worn variable cam timing (VCT) unit. To correct the condition, follow the Service Procedure to replace the VCT units.

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Date Published
OCT 18, 2022
NHTSA TSB #
10225445
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