2018 Silverado A6 3-2 Downshift Modification
Hi All, long time reader, first time posting. I have had an ongoing issue with my 18 Silverado A6 where I have what seems to be an incorrectly timed 3-2 downshift when the truck is at normal operating temps (185 deg F and higher). When coming to a closed throttle stop (foot off gas, slightly braking) I get a 3-2 driveline clunk. What I feel is that the 35R clutch is releasing too soon and the CB26 isn?t coming on quickly enough to prevent a loss of torque on the driveline. After reading up on a lot of posts, I haven?t seen any info on increasing the 3-2 downshift speed or reducing the 3-2 pressure. Does anyone have any suggestions on how I could tackle this and what the possible repercussions would be for the changes? I can post the stock tune later if needed. Thanks in advance!!