Forums
New posts
Search forums
What's new
New posts
New media
New media comments
Latest activity
Classifieds
Media
New media
New comments
Search media
Log in
Register
What's New?
Search
Search
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Navigation
Install the app
Install
More Options
Advertise with us
Contact Us
Close Menu
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Forums
Hobbies & Interests
Gearheads
GM transmission lawsuit
Search titles only
By:
Reply to Thread
This site may earn a commission from merchant affiliate links, including eBay, Amazon, and others.
Message
<blockquote data-quote="Glocktogo" data-source="post: 3995503" data-attributes="member: 1132"><p>I have one in my '18 ZR2. Very early in ownership I was on top of this issue and following it on the Colorado Fans forum. I took mine in and got it addressed under two TSB's, using the language suggested at the time to get the work done without cost to me.</p><p></p><p>So I don't get the shudders or hard shifts many do with this transmission. I got a Trifecta tune that addresses many of the issues with the TCU. Now it hunts gears far less than it did with the OEM TCU programming. Still, it's a compromise on a less than optimal transmission. I still think the TCU sucks pretty bad. On cold start and shifting into Drive, it sometimes takes several seconds for the converter to lock up and get going. It only does it on the first start of the day.</p><p></p><p>The other issue is very inconsistent trans braking. Sometimes it's fine, other times you can feel it downshift on braking and suddenly there's zero trans braking. That results in needing to apply more braking force than anticipated. Fortunately the OEM pads on the ZR2 are very good and wear like iron apparently. I'm at 36K miles and at my last service they said they're still at 8mm, which shocked me considering how much I have to brake hard (mostly due to Hwy 169 construction zones).</p><p></p><p>I'm kinda hoping the result of this class action suit is a longer warranty on the transmissions. I pretty much love every other aspect of this truck and plan on keeping it for a long time.</p><p></p><p></p><p></p><p>ZF all the autos and Tremec all the manuals. This is the way.</p></blockquote><p></p>
[QUOTE="Glocktogo, post: 3995503, member: 1132"] I have one in my '18 ZR2. Very early in ownership I was on top of this issue and following it on the Colorado Fans forum. I took mine in and got it addressed under two TSB's, using the language suggested at the time to get the work done without cost to me. So I don't get the shudders or hard shifts many do with this transmission. I got a Trifecta tune that addresses many of the issues with the TCU. Now it hunts gears far less than it did with the OEM TCU programming. Still, it's a compromise on a less than optimal transmission. I still think the TCU sucks pretty bad. On cold start and shifting into Drive, it sometimes takes several seconds for the converter to lock up and get going. It only does it on the first start of the day. The other issue is very inconsistent trans braking. Sometimes it's fine, other times you can feel it downshift on braking and suddenly there's zero trans braking. That results in needing to apply more braking force than anticipated. Fortunately the OEM pads on the ZR2 are very good and wear like iron apparently. I'm at 36K miles and at my last service they said they're still at 8mm, which shocked me considering how much I have to brake hard (mostly due to Hwy 169 construction zones). I'm kinda hoping the result of this class action suit is a longer warranty on the transmissions. I pretty much love every other aspect of this truck and plan on keeping it for a long time. ZF all the autos and Tremec all the manuals. This is the way. [/QUOTE]
Insert Quotes…
Verification
Post Reply
Forums
Hobbies & Interests
Gearheads
GM transmission lawsuit
Search titles only
By:
Top
Bottom
