1BAD2K Posted May 18, 2009 Report Share Posted May 18, 2009 i had installed a transgo shift kit and vette servo. ran and shifted great. after a while without a tune (i thought that was the problem) it started to clunk every shift except the 1-2. if i was in it, it wouldnt make a noise. the clunking was definitely a low speed deal. i then installed the wheatley tune finally and it caused the 1-2 to shift even harder and def too hard at some times. the clunking might have died down at lower speed but still does it when it shift sometimes at higher (40ish) speeds. i dont know why it would do this.i cant feel it in the floorboard but everytime i hear that clunk i want to ram my head through my steering wheel. anyone heard of this or had this problem or something close? the shifting not the anger problem lol. Quote Link to comment Share on other sites More sharing options...
RacerJJ Posted May 18, 2009 Report Share Posted May 18, 2009 i had installed a transgo shift kit and vette servo. ran and shifted great. after a while without a tune (i thought that was the problem) it started to clunk every shift except the 1-2. if i was in it, it wouldnt make a noise. the clunking was definitely a low speed deal. i then installed the wheatley tune finally and it caused the 1-2 to shift even harder and def too hard at some times. the clunking might have died down at lower speed but still does it when it shift sometimes at higher (40ish) speeds. i dont know why it would do this.i cant feel it in the floorboard but everytime i hear that clunk i want to ram my head through my steering wheel. anyone heard of this or had this problem or something close? the shifting not the anger problem lol. I am dealing with a mystery clunk right now too except mine is inttermitent. Good luck finding the problem. I have had minimal suggestions and can't seem to get much help on every site I've been to. My next attempt at a fix is going to be the front hubs. Quote Link to comment Share on other sites More sharing options...
Fireman31 Posted May 18, 2009 Report Share Posted May 18, 2009 worn U-joint?? Quote Link to comment Share on other sites More sharing options...
1BAD2K Posted May 18, 2009 Author Report Share Posted May 18, 2009 worn U-joint?? that is my first and only thought as of right now. i still have yet to get the truck up and see but i'll be on that this weekend. Quote Link to comment Share on other sites More sharing options...
70chevy03ss Posted May 18, 2009 Report Share Posted May 18, 2009 Check out your torsion bars. The bushings on mine are gone. 45 a piece.I have the same "clunk" you don't even need to put it on a lift. Quote Link to comment Share on other sites More sharing options...
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