The 3-4 shift valve was redesigned to permit WOT 3-4 upshifts. A new one-piece 1-2 shift valve improved consistency, reduced leakage, and permitted downshifting from Second to First gear at fairly high rpm. A new abuse valve smoothed out rock-shifting, helping cars get out of snow and mud easier. It added an additional auxiliary valvebody to fix a Park/Drive bang/clunk problem. will not work in a performance / heavy duty 700R4 / 4L60E transmission unless. OEM Part Number 8635568 is the lip seal that work with the following 4L60E components: 1-2 Clutch Accumulator 3-4 Clutch Accumulator Auxiliary Valve Body.

The late '87-'93 second-design valvebody solved the problems. In 1987, when the auxiliary valve body was first. The transmission case has 16 bolts and a transfer case of aluminum. 700r4 Auxiliary Valve Body Function The spring is NOT a repair for a worn regulator bore, as it is designed to work in a properly functioning apply circuit. It had a case length of 23.5 and a weight of 170 lbs without fluid inside it. Your TCM tells your transmission how and when to shift by opening one of these solenoids to allow transmission fluid to pass into the transmissions. The transmission was made between 1982-1992. Although this makes retrofit easy into early vehicles, the first-generation valvebodies often have leaky, low-capacity 1-2 and 3-4 shift valves that produce inconsistent shift quality. In conclusion, the 700r4 transmission is a 4-geared hydraulic automatic transmission with the 4th gear, an overdrive gear (30 increase). 700r4 chevrolet automatic transmission valve body identificationI strive to find the best deals on the quality products we use. The early '82-'87 configuration had no auxiliary valvebody the torque converter clutch (TCC) lockup function was actuated hydraulically at a set pressure without computer input. That said these are the differences:There are several major valvebody configurations. I would definetly use it, since you already have it in hand.I have an 86 Corvette 700-R4 in mine and it performs great.

700r4 auxiliary valve body function