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  1. S

    Dealer not honoring warranty work..2018 5.3 Yukon issues

    Thank you, but how do I do probed smog test?
  2. S

    Dealer not honoring warranty work..2018 5.3 Yukon issues

    I do not have the bottle test recorded but will do this weekend. However here is when I caught the dip/miss while ODB measuring RPM
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    Dealer not honoring warranty work..2018 5.3 Yukon issues

    While I understand that they "did not find" anything out of spec. Independent GM-certified mechanic measured and documented the problem in writing. I wonder if it is worth it to take it to the small court. The car does rough idle two independent GM-certified and ASE-certified mechanics...
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    Dealer not honoring warranty work..2018 5.3 Yukon issues

    This is what Hendrick GMC "dealer" reported. Same truck, no idea of course how Hendrick tested... I am not proud of the GM and dealers in Raleigh area, none of them are interested to help customers, only there to help GM.
  5. S

    Dealer not honoring warranty work..2018 5.3 Yukon issues

    They are linked together. I took it to 3 dealers around Raleigh - Hendrick GMC, Thompson GMC and Sir Walter Chevy. Both Thompson and Hendrick shared with Caddy -same service. GM Customer Care told me that they trust their dealers and will not send GM representative because nothing is wrong with...
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    Dealer not honoring warranty work..2018 5.3 Yukon issues

    Wanted to ask for advice from folks here. My truck has rough idle. It has been to the dealers 4 times now, their diagnostic - "all within GM spec" . Took to an independent but GM-certified mechanic, they quickly measured injector balance using GM equipment, documented and tried again with the...
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    Common Issues

    My experience with GM was terrible, from total incompetence to self invented “specs” that allow GM and dealers to send you pack send. Tried 3 dealers now. Talking to GM social media team, they only promise to talk to a dealer but nothing happens. If you buy and hope warranty would help... do...
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    2016 rough idle

    I know it is an old thread but it appears to be that 2018 has the problem too. My 2018 Yukon 5.3 4x4 6-speed idle seems to be unstable when both fully warmed up or cold, in D and in P. Problem: When I stop this 2018 5.3 4x4 6-speed Yukon SLE at the traffic while transmission is in Drive (fully...
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    2018 5.3 Yukon idle flutter at the stop in Drive

    My first post and my first GM truck. Came to American trucks from the world of Japanese 8-cylinders. I bought 5.3 Yukon as used with 7500 miles on it, still in warranty. While I like how this truck drives the idle seems to be unstable when both fully warmed up or cold, in D and in P. Problem...
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