This new system prevents expensive hard part damage due to pressure over boost. Lastly, a new pressure relief system replaces the OE isolator valve line-up. 11mm or 7/16 socket or box-end wrench if removing driveshaft 5. 15mm deepwell socket (if drooping transmission) 3. Also, a new design PR valve with longer lands restores the function and reliability of the pressure regulator system. TransGo 4L60E HD2-C (version C) Shift Kit instructions for 1995 Chevy Caprice/Impala or Buick Roadmaster 4L60E. This universal tool-kit works for many of our top selling 6 and 8-speed SHIFT KIT® valve body repair kits.Ī new drop-in hardened steel TCC regulator valve that has re-positioned longer lands and incorporates a groove where a scarf cut seal is fitted so that it seals in the original worn bore. The oversize AFL valve included in this kit requires our tool-kit part # AFL-G2-TK to ream the bore. Lastly, a new relief system prevents expensive hard part damage due to accidental pressure spikes. This kit addresses the wear with a redesigned valve that incorporates a scarf cut sealing ring and extended land that restores the integrity of the valve bore. The TCC slip problems can occur in this transmission from wear at the TCC regulator valve bore. The end result is lazy or slow pressure boost response and the related symptoms similar to the worn AFL system. When the valve or bore wear occurs, EPC boost signal oil is going to be low. The other source of the shift related complaints is wear at the pressure regulator valve and or bore. As a result, shift quality complaints and codes can occur along with low or high main line pressure. If the pressure feeding the solenoids is too high or too low, their output will also be too high or too low. High Temperature Sealing Ring Kit Fits 4L80E, 4L85E 1991-13. SHIFT KIT® Valve Body Repair Kit Fits 1982-93 700R4, 4L60 SK 700-JR. SHIFT KIT® Valve Body Repair Kit Fits 1991-13 4L80E, 4L85E. This is necessary to prevent more fluid from being fed to the solenoids than they can effectively regulate and limit what max line pressure output is. The TransGo Difference Research Associate Program Tech Library Products. The AFL valve spring is calibrated to prevent the solenoid feed pressure from exceeding a predetermined PSI, no matter what main line pressure is. Common complaints with those transmissions are rough shifts when cold, soft shifts, lazy kickdown, TCC Slip as well as overheating. The purpose of the AFL valve is to limit the pressure going to the solenoids. This 340 SHIFT KIT® Valve Body Repair Kit fits 1985 and newer Toyota, Lexus, Isuzu, Mitsubishi, Hyundai, Kia and Jeep vehicles equipped with the A340, A341, A343 and AW4 series automatic transmissions. One source of the shift complaints is the wear at the actuator feed limit (AFL) valve bore. Common complaints with this transmission are erratic shifts, broken parts, TCC slip as well as various solenoid performance and gear ratio codes. This TransGo 6T70-G2 SHIFT KIT® Valve Body Repair Kit fits 2013 and newer General Motors vehicles equipped with a GEN2 6T70, 6T75 and 6T80 automatic transmission.
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