![]() I'm really hesitant to drive it after this happened, but just messing around on the way home trying to diagnose, it luckily still drives like a raped ape when shifting manual on the tree, but just doesn't shift automatically. Common complaints are TCC slip or shudder, codes P1870 and P0894, harsh 1-2 shift, double bump shifts, 2-3 flare-up, burnt 3-4 clutch plates as well as inconsistent pressure. You think it was this, one of the plastic oe parts broke? or maybe an o-ring installed incorrectly? The TransGo 4L60E SHIFT KIT Valve Body Repair Kit fits 1993 to 2015 General Motors vehicles equipped with 4L60E, 4L65E and 4L70E automatic transmissions. What the hell could this be? I did not use those alu. Reprogramming Kit Manual Shift Control Fits 350 1969-81 Does not fit lockup transmissions General Details. And it reacts and shifts fine when I do it manually on the tree, all four gears actuate and engage just fine, but just not automatically. Installation Instructions (English) Related Products. I was taking off from the stop light still in 3rd or OD!!!!! Was driving just fine until today on my way home from work I went to take off from a stop light in rush hour traffic and rev'ved up to like 4-5k and was barely creeping along! Really caught me off guard.Īnyway, I realized my tranny is no longer shifting by itself automatically. 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.Not sure if it's due to the Transgo HD2 shift kit or not (most likely suspect though), but about a week ago I had the shift-kit installed along with a torque converter. From the factory, the 700R4 and 4L60E transmissions were equipped with 4 different servo sizes based on application. The included highly improved wide land self-cleaning design boost valve and bushing resists wear so that pressure rise keeps working properly. The TransGo 7-2P Corvette servo piston assembly fits 1982 to 2015 General Motors vehicles equipped with 700R4, 4L60/E, 4L65E and 4L70E automatic transmissions. These changes work in concert with a slight increase in line pressure to greatly improve the overall durability and shift feel of the transmission. This install was performed on our 2002 C5 Corvette, the Chinavette project, but applies. The TransGo 4L80E SHIFT KIT® Valve Body Repair Kit includes valve body, case and pump components and modifications designed to deliver increased durability while providing short smooth shifts. Installation of the Trans-Go HD2 shift kit in a 4L60e transmission. On the other hand, the runaway boost pressure problem results in costly broken case, direct drum and piston. 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. It includes components as well as modifications that recalibrates the entire. This TransGo GM 440T4, 4T60 SHIFT KIT® Jr. Reverse Cushion Kit Fits all 440T4, 4T60 1984-on General Details. Lube and Endplay Kit Fits 440T4, 4T60 1984-on 440 RK. 129.87 TransGo Performance Shift Kits Shift Kit, Automatic Type, Includes. The kit includes valve body, servo, pump and accumulator components and modifications designed to deliver increased durability while providing short smooth shifts as well as a more efficient TCC apply. Installation Instructions (English) Related Products. The boost valve assembly in these transmissions are notorious for wear causing both low pressure as well as runaway boost pressure. SK4L60E Features: 4L60E 1993-On SHIFT KIT Valve Body Repair Kit. This kit allows you to hold any gear until redline without it upshifting on you and gives you options for how hard you want it to shift. This is their stage 2 kit and sells for around the 200 mark usually. This TransGo 4L80E SHIFT KIT® Valve Body Repair Kit fits 1991 to 2013 General Motors vehicles equipped with the 4L80E and 4L85E automatic transmission. Common complaints on the 4L80E and 4L85E automatic transmissions are soft 2-3 shifts, no upshifts, burnt direct clutch, broken hard parts (due to high pressure), and low pressure (due to solenoid filter breakup as well as gear ratio and solenoid performance codes). Drove it 3 times before deciding to remove the pan and purchased a transgo 4L60E-HD2 shift kit.
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