I've done two and it's not that hard, just make shure you make up your mind on the servo first. I got the torlon checkballs since they seal better on the plate and aren't supposed to get stuck in the plate either. Is that what you guys have? If so then that is all you need except for new checkballs, i wouldnt leave the old ones since they do get stuck and are under constant wear. I wouldn't be afraid to do the kit just be thorough and make shure you follow all the steps the instructions and the thread has, make shure you not only read it but understand it.Īlso what kit do you and have, the typical shift correction kit from ctpowetrain is this:
The servo is a pain to get to and is up to you if you want to do it or not, if it shifts good then just follow the shift kit instructions for you servo, it should say which one to do.Īs for the checkballs the 8th seems to be the one from the case side so make shure it goes back in the case, you can hold it in place aswell as the other 7 with some vasaline. (Make shure you have a jack under the trans cross member at all times!)
#Sk 4l60e shift kit driver
To do the servo you have to remove 4 bolts that cross through the trans cross member then loosen the bolts facing the floor on the driver side first by a little bit to allow it to lean to the passenger side when you lower thoose enough to gain space to get to the servo. Servo that you should have gotten in the kit. Make shure you do follow the instructions in the transgo shift kit for the servo and do it for the vette. You should also check the accumulators and make shure they aren't stuck either. Make shure all solenoids and electronics are connected, and check to make shure the springs aren't cocked or stuck in their bores. This TransGo 4L80E SHIFT KIT® Valve Body Repair Kit fits 1991 to 2013 General Motors vehicles equipped with the 4L80E and 4L85E automatic transmission.I would definitely go back in and check to make shure you followed all of trans go instructions, I have done 2 of these exact kits before with no problems. The boost valve assembly is notorious for wear causing both low pressure as well as runaway boost pressure.Ĭommon complaints on this transmission soft 2-3, no upshifts, burnt direct clutch, broken hard parts due to high pressure, low pressure due to solenoid filter breakup as well as gear ratio and solenoid performance codes. With the low boost problem results in complaints of soft 2-3, direct clutch failure as well as the gear ratio and solenoid performance codes. On the other hand, the runaway boost pressure problem results in costly broken case, direct drum and piston.
This kit includes valve body, case and pump components and modifications designed to deliver increased durability while providing short smooth shifts. These changes work in concert with a slight increase in line pressure to greatly improve the overall durability and shift feel of the transmission. The included highly improved wide land self-cleaning design boost valve and bushing resists wear so that pressure rise keeps working properly. With how common the 4l60e is and the popularity of retrofitting classic cars with modern transmissions, there are a number of 4l60e shift kit options.
Lastly, the EPC boost pressure relief valve system provided helps prevent runaway boost pressure to stop case and valve body wall blow-out due to excess pressure.
#Sk 4l60e shift kit code
USA-made hardened boost valve and bushing 4L60E 4L65E 4L70E TRANSMISSION SHIFT KIT Transgo SK®4L60E FITS 93-10 FIXES CODE 1870.Low pressure due to solenoid filter breakup.The most popular 4l60e shift kits include: TransGo Performance HD2. Pressure regulator valve spacer, washer, springs and snap ring 35935 4L60E 4L65E Transmission shift kit 1993-2007.4L60E 4L65E 4L70E 700R4 TRANSMISSION BEARING KIT BY KOYO-TORRINGTON FITS 82+ KOYO BEARINGS. #Sk 4l60e shift kit review codeĤL60E 4L65E Transmission shift kit Transgo SK 4L60E Corrects, prevents or reduces erratic pump slide bounce that wears out the pump and valves, no lockup, no 4th gear, code 1870, cutloose or bang from reverse to drive, forward and reverse clutch failure, 1-2 bump shift, delayed reverse. Actuator filter tapered plug, O-ring, spring and end plug.(2) Accumulator valve springs, end plug and O-ring.Relief valve system plate, valve, spring, e-clip and drill bit.(2) Direct and reverse feed hole cup seals. We recommend using TransGo 4L80E actuator feed limit valve boring kit for all General Motors 4L80E rebuilds.
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