Your transmission concerns frustrating, @zibzer2. We encourage you to visit your local Chevrolet dealer, where the factory-trained and certified service team can properly diagnose your Silverado’s noise concerns as well as make any necessary repairs. Facing any vehicle concerns alone can be daunting, which is why we are here. We would be happy to provide an added layer of support between you and your dealer as we pursue the resolutions of your concerns. To get started, please visit: https://s.chevy.com/support-request and fill out the request form. The details you fill out will ensure that your request is routed accurately and allow us to explore the best path of assistance. We will keep an eye out for your outreach.
So if I catch that correctly, really there are limited options to use that have the ability to reverse a mess created from too long of an OCI by using Wally World oils. Valvoline R&P being one and as of yet to be proven in real world use with the Mobil Clean. Doesn't HPL have a solution they offer as well as an additive to other oils or a certain oil type that is used as a whole to do a similar job to R&P ?
Uh yes, that's the name of the package. It doesn't quite bring it up to 1 ton specs unfortunately and imagine they have to do that for a numbers reason rather than a physical one.
Am I correct though that the Max Trailer Package and therefore the 12" rear is only available on the Duramax and not on any of the L8T 3/4 ton trucks ( and that the same 11.5 rear axle center section is used on the 3/4, 1 ton SRW and even 1 ton dually gas version ) ?
I'd also be curious to know if the wheel bearings are the same on a SRW configuration between an 11.5 vs the 12" diff as I assume parts would show that up but may not explain what the difference is if indeed there was a physical difference.
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