Aug 17, 2025 · Anyone know of any key differences between the two fluids? Valvoline appears to be commonly available at retail auto parts stores. Dexron is purchased at a dealer or ordered online, at …

Sep 11, 2023 · Regular Production Option Codes, aka RPO codes, have been used by General Motors since 1970. You probably already know a few off-hand. Z71, ZR2, L87- these

May 16, 2024 · If nothing comes out remove the pipe plug on the drivers side of the trans case and fill it with ULV fluid until the fluid runs out of the plug in the pan. Install the pan plug and the fill plug. The …

May 13, 2021 · Be advised the 6sp, 8sp and 10sp each use a different ATF. Using the wrong atf can affect performance. Automatic Transmission (6-Speed Transmission) DEXRON-VI Automatic …

Jun 1, 2020 · My 10 speed had an o-ring fail and needs transmission fluid. The GM dealer has no Dexron ULV, but the Ford dealer across the street has Mercon ULV. Are they the same fluid? Both …

Apr 2, 2025 · In researching changing my trans fluid, I came across this video. I was surprised at the disassembly required to do the work. I was also impressed with the detail/professionalism that the …

Nov 3, 2022 · What mileage are you currently at? Like stated above, 5yr or 60k miles it is under warranty. So have the dealer take care of it. If out of the warranty, then you can use AMSOIL's ATL …

Apr 20, 2022 · I have a 2018 GMC sierra slt plus with the 8 speed transmission. Is the dextron 6 alright to use or do I need to use the dextron-HP.

Jan 10, 2024 · Is this a 10 speed or a 6 speed transmission? If you have the 10 speed, you put in the wrong fluid. You need the ULV fluid which is "ultra low viscosity". Edited January 19, 2024 by bruceb58

Sep 15, 2023 · I'm about to hit 45,000 miles and wonder if replacing the transmission fluid at the "severe service" interval would be beneficial, or should I just let it go another 20-30,000 before replacing it? …