My vr4 trans feels pretty good on the down shifts but very notchy up shifts. The trans probably has about 1k on it after rebuild. Just changed the oil with LIQUI MOLY 75w-90 and still no difference. I’ve gone through and checked that the clutch was fully disengaging(engages about 1-2inch off floor not sure if that’s good, was thinking of getting a new slave rod that was longer made up)and adjusted based on Jacks info on website(TRE did the trans). A dragging clutch would still cause notchy down shifts also, so kinda ruled that out? Would shifter cables do this? I’ve looked and messed with them and they feel pretty solid(bushings have been replaced with solid ones in cables and shifter). Any ideas or input would be greatly appreciated since it’s driving me insane. Thanks
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Shifting Question, when downshifting it’s pretty smooth but upshifting gets a little clunky/notchy.
- Thread starter ConnorR8
- Start date
gvr4ever
Well-known member
You can also check cable alignment at the shifter. With the shifter in the middle, the eyes that have the pins on them are adjustable. If you lift them up and let them back down, they should align up perfectly. You can adjust them in or out.
Another thought, make sure you didn't miss any transmission bolts. I know one is in the back near the top, and it can be missed. Maybe double check the torque on all the bolts too. I agree, it doesn't sound a like a synchro or clutch release issue.
Another thought, make sure you didn't miss any transmission bolts. I know one is in the back near the top, and it can be missed. Maybe double check the torque on all the bolts too. I agree, it doesn't sound a like a synchro or clutch release issue.
gvr4ever
Well-known member
What clutch are you using? I know it's only been a few days, but the hydraulic system doesn't seem to like overly heavy clutches. The fact that you can down shift, okay doesn't seem to be a clutch release issue, but what clutch are you using? I have historical knowledge that the ACT 2100 is pretty easy peasy, but the ACT 2600 has a history of being a bitch. My own personal knowledge and loads of post from other users. Just curious of what clutch you are running.
It’s a south bend full face ceramic endurance kit without the flywheel since it’s OEM. It’s still acting like it’s having a tough time possibly grinding a little like I can’t hear it but kinda feel it struggling a little. I will check the shifter linkage too, talked with TRE and he said everything sounds like the clutch is engaging/disengaging correctly. But is seems like shifting from 1st to 2nd is the worst being that is 2nd to 3rd but after that it seems smooth. So maybe it’s the linkage.
Thanks for the inputs!
Last edited:
nazagalant1993
Active member
What oil gearbox are you using?
LIQUI MOLY 75w-90
