CTS-V Second Gear Tug/Bump?
03-23-2012, 01:44 PM
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CTS-V Second Gear Tug/Bump? Hello All,
I have a 2004 CTS-V and I am having an odd issue with second gear on up shifts from first to second only. The issue is intermittent, but occurs about 80% of the time under normal daily driving conditions (not racing). When I shift from first to second I feel a single tug or bump back on the shifter as it locks into second gear. It is not a formal grind and I can always get right into gear, but you get the same feeling through the shifter for a brief moment as you would if it were to be grinding.
My assumption is that the blocker rings are starting to wear out and I need to upgrade them to the newer carbon type in second gear. For reference, I have bled the clutch twice in the past few months and swapped the trans fluid with synchromesh (I wanted to rule out any of the easy things).
Anyone else ever experience anything like this? If so, how did you resolve it?
Thanks in advance for your help
I have a 2004 CTS-V and I am having an odd issue with second gear on up shifts from first to second only. The issue is intermittent, but occurs about 80% of the time under normal daily driving conditions (not racing). When I shift from first to second I feel a single tug or bump back on the shifter as it locks into second gear. It is not a formal grind and I can always get right into gear, but you get the same feeling through the shifter for a brief moment as you would if it were to be grinding.
My assumption is that the blocker rings are starting to wear out and I need to upgrade them to the newer carbon type in second gear. For reference, I have bled the clutch twice in the past few months and swapped the trans fluid with synchromesh (I wanted to rule out any of the easy things).
Anyone else ever experience anything like this? If so, how did you resolve it?
Thanks in advance for your help
03-23-2012, 03:19 PM
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I thought they switched to the carbon blockers in ’06? Does not really matter since I have the issue either way. The odd part for me is the fact that downshifting into second gives me no problems, it is only when up shifting.
As far as I can tell from underneath everything looks good and the shifting feels solid into all of the other gears (no slop). I have not done anything with the shifter or bushings yet (all stock as far as I can tell). I changed the fluid out partly because of this issue and partly because I was having issues getting into first when sitting at a light (that issue resolved itself with the flush).
As far as I can tell from underneath everything looks good and the shifting feels solid into all of the other gears (no slop). I have not done anything with the shifter or bushings yet (all stock as far as I can tell). I changed the fluid out partly because of this issue and partly because I was having issues getting into first when sitting at a light (that issue resolved itself with the flush).
Last edited by MacLEAN; 03-23-2012 at 09:23 PM.
03-26-2012, 09:04 AM
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After speaking with Chris at Tick, I think I must have different wear patterns on the opposing faces of the synchro and/or gear. Time for a rebuild. Hopefully pulling the transmission is not too bad. Anyone have an excerpt from the factory service manual?
