Shift Kit Transgo 4L80E 4L85E

TransGo SHIFT KIT Valve Body Repair Kit for 4L80E, 4L85E (1991-2013) Product Overview: The TransGo 4L80E SHIFT KIT® Valve Body Repair Kit is specifically designed for General Motors vehicles from 1991 to 2013 that are equipped with 4L80E and 4L85E automatic transmissions. This kit effectively addresses common transmission issues such as soft 2-3 shifts, failure to upshift, burnt direct clutches, and broken hard parts caused by high pressure. It also resolves low-pressure problems stemming from solenoid filter breakdown. The boost valve assembly in these transmissions is notorious for wear, which can lead to either insufficient pressure or excessive boost pressure, both of which can cause significant damage and performance issues. Key Features and Benefits: Comprehensive kit includes valve body, case, and pump components to enhance durability and ensure smooth, precise shifts. Designed to operate with a slight increase in line pressure, which greatly improves overall transmission durability and shift feel. Equipped with an advanced wide land, self-cleaning boost valve and bushing to prevent wear and maintain consistent pressure. Features an EPC boost pressure relief system to prevent excessive pressure build-up, protecting the transmission case and valve body from damage. Addresses and Prevents: High-pressure component failure Soft 2-3 shift Burnt direct clutch Slow downshift from 3rd to 2nd gear Failure to upshift Harsh 1-2 shift Low pressure due to solenoid filter breakdown Common error codes: 39, 68, 85, 86, 87, P0731, P0732, P0733, P0734, P0751, P0756, P0894, and P1870 Kit Components: USA-made hardened boost valve and bushing Pressure regulator valve spacer, washer, springs, and snap ring Reinforced 4th feed bolt and washer (2) Direct and reverse feed hole cup seals Relief valve system plate, valve, spring, e-clip, and drill bit (2) Accumulator valve springs, end plug, and O-ring Actuator filter tapered plug, O-ring, spring, and end plug Vehicle AM GENERAL H1 HUMMER 1993-2005 4 SP 4WD V8 5.7L 6.5L DIESEL ASTON MARTIN DB7 2000 4 SP RWD V6 3.2L BENTLEY ARNAGE 2002-2006 4 SP RWD V8 6.8L CHEVROLET EXPRESS 2005-2016 4 SP RWD V8 6.6L SUBURBAN 2500 1996-2007 4 SP R/4WD V8 8.1L VAN FULL SIZE 2500 1996-2009 4 SP R/4WD V6 4.3L V8 4.8L 5.7L 6.0L 7.4L 8.1L 6.5L 6.6L DIESEL VAN FULL SIZE 3500 1995-2009 4 SP RWD V6 4.3L V8 4.8L 5.7L 6.0L 7.4L 8.1L 6.5L 6.6L DIESEL C/K, PICK-UP 1500, C/K, PICK-UP 2500 1995-2000 4 SP R/4WD V8 5.0L 5.3L 5.7L 6.0L 7.4L 6.5L DIESEL EXPRESS 2002-2016 4 SP RWD V8 4.8L 6.0L SILVERADO 1500HD, SILVERADO 1500SS 1998-2007 4 SP R/4WD V8 6.0L 6.5L SILVERADO 2500, SILVERADO 3500 2001-2007 4 SP R/4WD V8 6.0L SILVERADO 2500HD 2001-2007 4 SP R/4WD V8 6.0L SUBURBAN 1500 1995-2008 4 SP R/4WD V8 6.0L 6.5L DIESEL 7.4L TAHOE 1995-2003 4 SP R/4WD V8 6.0L 8.1L 6.5L DIESEL VAN FULL SIZE 2500 1996-2009 4 SP R/4WD V6 4.3L V8 4.8L 5.7L 6.0L 7.4L 8.1L 6.5L 6.6L DIESEL VAN FULL SIZE 3500 1995-2009 4 SP RWD V6 4.3L V8 4.8L 5.7L 6.0L 7.4L 8.1L 6.5L 6.6L DIESEL GMC SAVANA 2005-2016 4 SP RWD V8 6.6L YUKON XL 2000-2006 4 SP R/4WD V8 6.0L 8.1L SAVANA 2002-2016 4 SP RWD V8 4.8L 6.0L SIERRA DENALI 1998-2007 4 SP R/4WD V8 6.0L 6.5L SIERRA 2500, SIERRA 3500 2001-2007 4 SP R/4WD V8 6.0L SIERRA 2500HD 2001-2007 4 SP R/4WD V8 6.0L YUKON XL 2000-2006 4 SP R/4WD V8 6.0L 8.1L ISUZU TRUCK NPR, W4 1987-2008 4 SP RWD V8 5.7L 6.0L JAGUAR XJ12/XJR/XJS 1994-1997 4 SP RWD L6 4.0L V12 6.0L ROLLS-ROYCE ARNAGE/SILVER SERAPH 2000-2003 4 SP RWD V8 6.8L Alternate Words: Automatic Transmission, Reprogramming, Improvement , Correction, Shift , Valve Body Rebuild Kit