Is there a proper way to actully adjust the trans. modulator on a C6 trans. I noticed there is a little screw in there that looks as if it could be adjusted. I am having some shifting issues when in drive. It does not seem to downshift soon enough when under acceleration. I do not have a kickdown cable either. Under normal driving the trans shifts fine. I am thinking about getting a kickdown cable but thought maybe adjusting the trans modulator could help things as well.
Depends on rear gear and engine build state. Typical OEM is ~12-15mph for 1-2 and ~22-27mph for 2-3 under normal throttle conditions. Be aware the modulator will only be involved in downshifts in this range. Above that, only the manual downshift valve (or your hand on the shifter) will force a downshift.
As fare as how many turns is OEM from closed/open, I have no idea...
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