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Service rear axle

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Old Jun 18, 2021 | 11:25 AM
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garytomblin
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Default Service rear axle

Has anyone had a service rear axle warning come on the gauge cluster on a C7 corvette. I have a 2019 C7 Grand Sport and at times when I start the car I will get a service rear axle indicator on the gauge cluster and occasionally the gauges will jump all over and the gauge lights will flash. If anyone has experienced anything like this before please let me know how you addressed it.
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Old Jun 18, 2021 | 12:11 PM
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It might have happened to a few people.



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Old Jun 18, 2021 | 04:58 PM
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Mine was doing it from a misfire. I had a DOD lifter making noise after the car sits too long so I replaced cam and lifters.
Others seem to have experienced it from a broken valve spring or a simple faulty spark plug wire.
These newer cars are ran through a CAN bus system so it can be misleading when a message pops up from something else wrong.
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Old Jun 21, 2021 | 07:41 AM
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Thank you for your response! I believe we got it taken care of as they narrowed it down to the alternator. Car ran great with no issues or indicators.
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Old Jun 21, 2021 | 07:43 AM
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Just to update everyone. It appears it was a bad alternator which was replaced on Friday and ran great all weekend with no issue or warning indicators.
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