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 …

Nov 14, 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

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 …

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 …

May 12, 2020 · The "Allison" 10L1000 uses DEXRON ULV Automatic Transmission Fluid ONLY. No other Dexron ATFs are compatible (III, IV, HP) with this fluid, nor is Transynd (which is a Dex III …

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.

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 …

Jan 10, 2024 · It was time to service the transmission with new fluid and filter. I went to rockauto and ordered 7 quarts of ACDELCO Dexron-VI transmission fluid, part # 10-9394 and a gm filter …

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 …

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? …