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2018 colorado starting noise

Old Dec 13, 2018 | 1:45 PM
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Default 2018 colorado starting noise

I am having an issue with my 2018 redline colorado making a brittle sound upon start up and tranny shifting too late. Any one else have these issues and or fixes

Last edited by biggbulldawg; Dec 13, 2018 at 1:51 PM.
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Old Dec 13, 2018 | 10:53 PM
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post a video of the sound and maybe it can be identified.
late shifting...any change in tire size? It will change the vss input to the trans....causing delayed upshifts.

Last edited by tech2; Dec 14, 2018 at 8:31 AM. Reason: spelling error
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Old Dec 14, 2018 | 6:53 AM
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It should be under warranty. Take it to the dealer and let them fix it.
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