NO, Look under car passenger side toward rear of trans, look above back of trans pan,metal looking bulb with line hooked to it. REMOVALE unhook vacumn line . There is one bolt 13-14mm. Remove the bolt and modulator metal retainer, pull mod. out of the hole. If possile take to part store get new 350 modulator AUTO-ZONE $10-$15 ect. Take new mod. from box,new O-ring seal in box or on mod. look at old mod to verify correct. Look in vac line hole on new mod ck for adjustment screw.Will get to that after installed. INSTALLING NEW MOD. clean area where old mod removed, lube seal with tran fluid. Take new mod. push into hole, will feel spring tension NORMAL,push mod all the way in while holding in install metal retainer bracket & bolt. Tighten bolt till bracket & mod.seated all the way, give bolt Quarter turn DON'T OVER TIGHTEN. Hook up vacumn line ,start car ck for leaks,OK,ck trans level hot in park eng running top off to fill hot if low. Test drive car observe how it shifts if it feels soft or hard when trans shift. If it feels comfortable your done, if not MODULATOR ADJUSTMENT,IF HAD ADJUSTSCREW IN VAC opening of NEW MOD, INSTUCTION should be on paper in box with new MOD.It will tell you how to adj. the mod turn screw in or out upon the harsh or soft shift test drive after an adjustmemt at casuall intown speeds & heavy accelleration.Hope this helps, let me know.