Results 1 to 2 of 2
Thread: Harsh Shift At Traffic Speeds
05-09-2007, 01:40 PM #1
Harsh Shift At Traffic Speeds
i have harsh shift, first to second, in my silverado, at low speeds only, when crawling in traffic.
somewhere somehow i saw a gm tsb on this, saying to recalibrate tcm for a different shifting mode. i even have it scheduled for tomorrow to be done.
now, need other's opinion, before i go to stealership and they start pushing bull into my ears - has anyone had it done? did it work? because even when i just called to schedule, serviceman already started winding yarn into my ears - maybe there's something wrong with your trannie, yadee yadaa. i truely can't stand this, go to stealers only as a last resort.
it's 2000, 1500, 4 wheel drive with automatic transfer case. once again, car generally behaves like a champ. only while at low speeds, in traffic, it'll produce noticeable kick shifting into second or downshifting into 1st. fluid mostly replaced and at perfect level. no error codes on scanner. i just feel bad about that harsh shift but would rather save a benjamine if recalibrating does not do much. i found that in bad traffic i can just push "tow/haul" button and it works much better, as far as i do not cross about 15mph.
05-10-2007, 01:25 PM #2
Passed On It
well, i passed on tcm twicking. listened to the voice, voice said - don't do it.
like they say in the blessed lands of tennessee - don't fix it if it ain't brok. shift is not that bad, i do not want to mess them up trannie and get stuck with stealership. judging by the over the phone attitude, there would have been a lot of bull pushed into my ears, and i am quick fire on this.
so, i passed. i think i can, actually, get one of them aftermarket modules to do the job myself, one that plugs into tcm and you can change shifting mode at will.
By deepstuff in forum GM PowertrainReplies: 0Last Post: 05-27-2010, 05:53 PM
By halisa in forum General Chevy & GM Tech QuestionsReplies: 5Last Post: 07-05-2009, 12:34 PM
By vin_bom in forum Chevy Silverado Forum (GMC Sierra)Replies: 6Last Post: 02-17-2009, 12:12 PM
By Zink in forum GM PowertrainReplies: 2Last Post: 02-05-2009, 04:11 PM
By sgt_in_usaf in forum Performance & FuelReplies: 4Last Post: 02-04-2008, 11:31 PM