elcamino Member #185
Posts: 5671
Loc: Lake Superior-Michigan US...
Reg: 03-30-00
12-29-23 04:23 AM - Post#2865361 In response to bolake
I would. Contrary to popular opinion, ATF does not last forever. OEM fluids come from the low bid supplier. While they meet GM spec (at the time) it does not mean they are the best.
Here is what I use in my 2021 Sierra Denali 6.2L/10-speed>>>100% Synthetic ATF
Note--Changing ATF on these cars is not a simple do-it-yourself project, there are no dipstick so professional service is recommended. There is a YouTube video on this subject.
Mike 2024 GMC 4WD Sierra Denali 3.0L/10-sp
2022 Polaris RZR XP 1000 Ride Command
2017 John Deere X738
Edited by elcamino on 12-29-23 04:31 AM. Reason for edit: No reason given.