Torque converter shudder
#1
Torque converter shudder
Been trying to track down the cause of some knock retard...I've been through all the common causes, lean spikes, too much timing, cheap gas, etc. My thoughts now is it might be shudder from the converter. The KR only happens right before a shift. Sometime it only pulls .5°, sometimes over 4°. Anybody else experienced/fixed a problem like this?
#6
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My old 91 had a torque converter shudder. Right before it would lock up the whole truck would shake. Almost like having a bent wheel or something. I put a additive from o'reilly's & it went away.
#7
I'm gonna assume thats not the reason cause its a brand new transmission. Its only got maybe 700 miles on it since the complete teardown/rebuild, and 500 of them were very easy break in miles cause of the new gears in the rear end.
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#9
Finally managed to get the TCC slip PID in there. Actually, I didn't do a thing, it just sort of showed up in my PID list... Anyway I made a log, and TCC slip is always at 80%, no matter what I'm doing. Idle, WOT, its all the same. So I am officially confused.