Ticking

Ticking, Tap, or Rattle Noise From Engine – 2013-2019 Buick Cadillac Chevrolet GMC

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2019 Cadillac XTS

NHTSA ID Number: 10156938 Manufacturer Communication Number: PIP5331G   Summary This Preliminary Information communication provides information on a rattle, tick, or knock type noise. Any drivability concerns they should be addressed prior to the following diagnostic progression. A sound file or video with sound of the noise needs to be made prior to dis-assembly to help isolate … Read more

Information on Clicking/Ticking Sound/Noise Heard During Cold Start – 2008-2017 Buick Cadillac Chevrolet GMC Saturn

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2017 Chevrolet Camaro

NHTSA ID Number: 10116587 Manufacturer Communication Number: 07-06-04-025L   Summary This informational bulletin provides information on Clicking/Ticking Sound/Noise Heard During Cold Start and that this should be considered a normal characteristic.   Clicking/Ticking Sound/Noise Heard During Cold Start This is normal operation of the high pressure fuel pump and injectors. DO NOT replace the high pressure fuel … Read more