S33k3r
Full Access Member
Is it ever good?
Shudder under light throttle...
- Thread starter Baden
- Start date
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Is it ever good?
My 96 k1500 was the same way and was the torque converter. But there are ways to kind of check that by tapping the throttle and having it unlock the converter, which is some of the testing I did.
With the amount of people having the issue (listed above and through searching) directly related to AFM, I am going to give the range module a whirl since it is a little cheaper than having to deal with a converter for testing purposes.
992dr
Full Access Member
Remember we also have PWM (pulse-width modulation) in our transmissions.
I had a very similar issue with my 07. Light shudder at lock-up.
Long story short, it was my TCC valve. Over time the bore wears and trans fluid would seep by.
Fix = installed a Fitzall valve which in turn converts it back to an old style on/off lock up and removes PWM, or blocks it off from PWM how ever you say it.
I had a very similar issue with my 07. Light shudder at lock-up.
Long story short, it was my TCC valve. Over time the bore wears and trans fluid would seep by.
Fix = installed a Fitzall valve which in turn converts it back to an old style on/off lock up and removes PWM, or blocks it off from PWM how ever you say it.
Granted a 4 speed vs 6 speed....but still (potentially) valuable information depending on potential issues since transmissions all do the same duty.
Last edited:
992dr
Full Access Member
No problem at all. Figured I'd get that in there in case anyone else is looking for troubleshooting ideas in 07-14.
