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    6L80 Shuddering - Questions

    Thank you gentlemen. Shop recommended Billet and was very open book about what they were doing. Will be going down this route. Thank you all for the advice it was very helpful and I will be following up with how everything goes from here.
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    6L80 Shuddering - Questions

    Looking like my friend is going down the path of the rebuild. Does $4800 sound reasonable? Anything I should have him ask/include in the rebuild that would "bulletproof" this transmission. What brand of torque converter should put in? I assume putting a GM one back in is stupid.
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    6L80 Shuddering - Questions

    Question for everyone in here. Posting for a friends 2019 Silverado. Yesterday he goes in for an oil change. Leaves and gets unusual shudders while accelerating on freeway. Takes it back in and they say its not the oil change and that there are misfires. Then they run it again and say no...
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    Squeaking/Squealing noise heard after shutting engine off

    it is after the motor has completely stopped.
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    Squeaking/Squealing noise heard after shutting engine off

    My Yukon with a 5.3L has started to have a squeak or squeal almost sounds like a chipmunk directly after I shut the engine down. Is this just normal cooling down of the internal parts or is it something more serious? Cannot seem to find exactly where it's coming from but it is definitely forward...
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    Dorman 265582 Rock Auto Transmission Pan?

    Appreciate that. I am going to go for it. Looks like I would see most blatant issues pretty early. Will report back on the quality.
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    Dorman 265582 Rock Auto Transmission Pan?

    Does any one here have any experience with the Dorman transmission pans with the drain plug? Looks like a good deal at $80 with filter and gasket. Just no experience with this brand, was wondering if this sounded like a good plan. Thanks in advance.
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    What oil are we running?

    What are our thoughts about Valvoline Restore and Protect vs. Amsoil? Seems to be differing opinions about the two oils and which is better for these engines. Looking for some cleaning capability from the oil. Or is it better to just use a FI cleaner? if so what do you recommend?
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    New to me 2018 Yukon XL with 85k miles

    As an update, I installed the new STL010 SureCool temperature unit. Significantly decreased the temp in my transmission and a very easy install. $77 total after breaking a bolt
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    New to me 2018 Yukon XL with 85k miles

    Swathdiver, what are your thoughts on the STL010. Read about it in a Silverado forum about the 5.3. WOuld that work in this case?
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    New to me 2018 Yukon XL with 85k miles

    Ah yes. Have been seeing the AFM stuff frequently on here. Appreciate the scanner advice, I have a cheap OBDII one but i believe you are talking about investing in a more capable one. Will do. On the AFM front. Removal or temporary remedy? Not enthused about spending a bunch of money on a full...
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    New to me 2018 Yukon XL with 85k miles

    Hey all, Purchased a 2018 Yukon XL SLT this past weekend. Great price. RWD Gas V8 5.3L ECOTEC3 with AFM New to these vehicles other than a 2018 Suburban my mom drives that i have worked on a little bit. Looking for best practices with the new vehicle. Anything would help, main focus areas...
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    2018 Yukon XL 85k New to Me. Best Practices?

    Hey all, Purchased a 2018 Yukon XL SLT this past weekend. Great price. RWD Gas V8 5.3L ECOTEC3 with AFM New to these vehicles other than a 2018 Suburban my mom drives that i have worked on a little bit. Looking for best practices with the new vehicle. Anything would help, main focus areas...

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