This is a symptom of low fluid. Especially cold. Are you sure the fluid level is ok? one half quart can make all the difference. Harold McElraft - 3354 --- In dmcnews@xxxxxxxxxxxxxxx, "sweitzel_2000" <sweitzel@xxxx> wrote: > David, > > would a maladjusted vacuum modulator or low line pressure cause a > symptom like this: > > Car drives normally. GC was rebuilt and all shift points are correct. > Fluid level is correct. Trans kicks down with rapid acceleration > during driving (passing gear) as it should. However, once in a very > great while, when accelerating away from a stop a tad quicker than > normal the trans will kind of slip for a half second then > seemingly "clunk" into first gear and pull away and shift normally > from then on out. If one accelerates away from a stop lightly (i.e., > not a 'jackrabbit' start) Trans starts in first and shift normally. > no clunk, no slip. On warmer days, the slip/clunk never happens. > > Ideas? > -sean > > > --- In dmcnews@xxxxxxxxxxxxxxx, "David Teitelbaum" <jtrealty@xxxx> > wrote: > > If it was shifting "very clunky" it must have been that the vacuum > > modulater was not working and the line pressure was not correctly > > adjusted. Even so it is a stretch to conclude that was the cause of > > the shaft failing. Maybe the shaft was not handled properly at some > > point before it was ever installed or maybe it was not made or > > heat-treated properly. You are lucky you got someone that was able > to > > diagnose the problem correctly. Most of the time they do a complete > > autopsy and in the course of a total rebuild they find and fix the > > problems. > > David Teitelbaum > > vin 10757 > > To address comments privately to the moderating team, please address: moderators@xxxxxxxxxxx For more info on the list, tech articles, cars for sale see www.dmcnews.com To search the archives or view files, log in at http://groups.yahoo.com/group/dmcnews Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/dmcnews/ <*> To unsubscribe from this group, send an email to: dmcnews-unsubscribe@xxxxxxxxxxxxxxx <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/