Disassembly a. Quality steel boost sleeve with external O-rings provides positive seal to 4L60-E, 4L65-E Heavy Duty Remanufactured Valve Body GM054-HD. Simple, drop-in parts require NO special tools or reaming Apr 5, 2016 · Oversized Solenoid Switch Valve & Plug Kit 92835-31K. Feb 26, 2021 · Gregg Nader. Additionally, in '99-later vehicles, the factory EPC pressure was set high at idle, resulting in engine surge conditions in GM 4L80-E and 4L85-E units. Sep 30, 2005 · Sonnax kit SC-E4OD has been discontinued and replaced by Sonnax Zip Kit E4OD-4R100-ZIP. View Instructions Find a Distributor. Combine these with other Sonnax TH400 upgrades for a top-notch rebuild. In GM 4L60-E, 4L65-E and 4L70-E units it is common for the plastic Forward accumulator Zip Kit®Part No. In such cases, Sonnax recommends installing oversized pressure regulator valve kit 22771A-07K for increased stability and improved lube regulation. Thrust Washers (8) Sonnax Transmission Company 2 Imtec Lane, Bellows Falls, VT 05101-0440, USA. View Sonnax Part Instructions. Hardcoat anodized aluminum piston combats Sep 30, 2005 · Zip Kit®Part No. 4R44E-5R55E-ZIP. Replace the OE servo pin with Sonnax 76833E. Sep 30, 2005 · Installing Sonnax TCC regulator valve kit 34994-01K restores the hydraulic integrity of the TCC control circuit to return robust TCC operation. Enter a Sonnax part number below to view its instructions. Insert the reamer jig. The kit contains uniquely designed parts to prevent the loss of pressures within the main line, EPC, solenoid feed and converter Nov 19, 2008 · Reamers can be sharpened, but should only be done by a professional tool sharpener. View Instructions. Contents. U-Joint Series: 1610. This requires VB-FIX alignment fixture. Sep 30, 2005 · The springs in the Sonnax kit 37947-46K have been designed to match the 4. Sonnax spiral retaining ring kit 76554RK incorporates a spiral snap ring that is staked to a locking ring to ensure ring contact with groove during high Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. Remove OE retainer, end plug and switch valve plugs and set aside. Using Sonnax diamond Figure 4 point chisel, stake the aluminum inner input clutch retainer at each of the 12 marks on the adapter sleeve. Easy to Use. Delayed 3rd. com. Install laminate discs & seals included in Sonnax Pressure Switch Rebuild Kit 124740-70K with Sonnax Pressure Switch Rebuild Installation Tool Kit 124740-TL70. Approximately . d. PTFE guide seal prevents case wear from piston contact. No 3rd. Installing Sonnax pressure regulator valve kit 104520-14K restores the hydraulic integrity of these circuits for proper line pressure control in all ranges. Before installing kit, test switches to verify proper electrical operation. September 16, 2005. Sonnax Zip Kit 48RE-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in Chrysler 48RE valve bodies. U-Joint Series: 1710. Harsh shifts. NOTE: If casting has "SERV" stamped here, follow reaming option C. Jun 19, 2008 · Reaming. Align the guide pin and Oct 8, 2020 · This Zip Kit® 6R80L-6R100-ZIP is designed for 6R80 2015-later units. Prevent critical oil pressure leakage and improve shift timing in various Chrysler transmissions by installing Sonnax Apr 21, 2021 · The Sonnax drop-in signal accumulator piston kit 154740-06K allows bores to be reconditioned quickly and easily with no reaming required. 420" dia. Feb 3, 2022 · As the vehicle gets up to operating temperature, this can result in transmission overheat. Lengthened critical spool for added stability and wear prevention. Our Sonnax-equipped, in-house built TH400 survived hot lapping 3 - 4 passes every day for 5 days and survived on the 1,200-mile drive flawlessly. Pinless design eliminates the possibility of pin bore leakage and the additional length stabilizes the piston to prevent piston cocking. Sep 24, 2010 · When vehicles are pushed harder, components progressively increase pressure for improved clutch holding capacity and increased durability. large spool only. The kit can be used to replace weak, broken or lost springs in 4. Oct 21, 2022 · Sonnax Smart-Tech drum module 34555-01K for racing GM TH400 transmissions improves on-track performance and consistency, leading to quicker ETs, more wins and greater reliability. Drop-in Zip Valve™ parts install quickly and easily. Uniquely designed Sonnax Zip Valve ™ parts target the root cause of valve body complaints and stop critical circuit pressure losses in the most common problem areas of the transmission. Rubber D-rings for superior sealing. Adapter Sleeve. Precision components upgrade the 4R100 for maximum performance and durability by recalibrating pressures and shift accumulation. 453" dia. The rivet must be installed as described on instruction sheet or damage to the insulator will occur. No Reverse. Dec 20, 2022 · Fit one edge of seal in the servo groove and install it all the way around. Remove OE switch valve and measure large spool. Use the associated “F-Tool” kit and VB-FIX reaming fixture as illustrated below to ream the bore. Sonnax 4th Gear super hold dual servo kit 77767K features 40% more apply surface area for greater holding power in GM 4L60 (700-R4), 4L60-E, 4L65-E and 4L70-E units. This video breaks down how to transform a 4L60E, 4L65E or 4L70E into a top-tier performance transmission with Sonnax Level 3 build components. Clean and inspect the bore. View Instructions Find a Distributor Vehicles equipped with listed Ford transmissions often experience failure of the intermediate roller clutch or mechanical diode during high-rpm conditions. Sonnax Forward and Reverse abuse bore plug 77754-21 resolves these problems. Sonnax valve body layouts provide a detailed overview of individual units making it quick and easy to determine what’s available for the specific valve body you’re working on. This pocket has always been there, but was always vacant until 2014. 0L calibration. 0L application. Sonnax Zip Kit U660E-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the Toyota/Lexus U660E and U660F valve bodies. com TRM PARTS trutio Instead of sourcing an expensive new case, you can stop further wear, reduce endplay or restore endplay to proper levels by installing Sonnax case saver kit 144281-01K. To target common wear areas in the transmission, the kit includes many Sonnax Spring Selection OE Shift Feel Firmer Lockup* Approximately . 0L springs salvage or upgrade the valve body. This helps with otherwise lazy-shifting transmissions, hardworking commercial applications or units modified for performance use. The Sonnax toothed apply plate increases surface area between the apply piston and first friction plate resulting in more even Oct 27, 2014 · Pressure control out-of-range codes. Sep 30, 2005 · Zip Kit®Part No. Some tool kits must be used with the Sonnax VB-FIX , a self-aligning fixture that provides an external rigid pilot bore for the reamer and guide pin. 3L valve body core for use in a 4. Most of the unit’s internal components are shared with the ’93-later 4L60-E, which was regularly improved/revised up through Jun 6, 2018 · Repeated reciprocation of the accumulator piston causes the piston pin bore to wear, while fluid loss through the piston pin bore or cracks causes Forward clutch to slip. Sonnax thermal bypass eliminator kit 72760-02K allows reuse of the OE cooler bypass valve by removing the OE thermal bypass valve and replacing it with a valve assembly that permanently allows flow through the cooler to prevent transmission overheat. b. The reaming action should be clockwise in a smooth and continuous motion, at 60-200 rpm. High-speed steel reamer tool Kit for 77917-06, 77917-07. Specs. Pin has two O-rings to positively seal against the piston I. Ream bore with Sonnax tool kit F-77754-SERV followed by F-77754-TL4 tool kit. Vehicles with a GM TH400 and TH425 transmissions frequently have poor line rise, soft 1-2 and/or 2-3 shifts and/or Reverse engagement difficulties. Sep 30, 2005 · View Instructions Find a Distributor The OE pressure regulator valve design prevents adequate cooler flow at low RPM and high pressure/demand conditions, which can create overheating. Jan 21, 2013 · This excessive oil loss can result in delayed apply of the Low/Reverse clutch and a tie-up of the 3-4 clutch and 2-4 band. Easy, effective upgrade for heavy-duty & modified vehicles or hard-working daily drivers. Step Ream AFL Valve Bore Jun 19, 2008 · Reaming. e. We are the world’s largest full-line supplier of torque converter parts, and offer transmission and specialty driveline components through a global network of parts distributors. Actual life of a Sonnax reamer before resharpening or replacing averages 50–70 bores. Boost valve spools have annular grooves to reduce side loading that causes wear. The kit contains uniquely-designed parts to prevent the loss of pressures within the main line, clutch apply control, actuator feed and lockup control Heavy Duty Power Train Savers® Unit. These oversized valve kits and their associated tool kits are still available. Nov 14, 2016 · These cross-leaks often come from the 1-2 accumulator piston seals, throttle control valve, TV checkball and/or a distorted valve body. Bind-up. Annular grooves help center valves in bore to reduce future Feb 21, 2013 · Consequences of this pressure loss are slipping or no 3 rd and 4 th Gears, burnt direct clutches and ratio codes. 48RE-ZIP. Sonnax 2 nd gear super hold servo kit 77911-03K for GM 4L60 (700-R4), 4L60-E, 4L65-E and 4L70-E transmissions delivers 18% more apply area than the “Corvette” servo (largest OE). , proceed to step "c". Vehicles with these transmissions often exhibit poor 3-4 shift quality and experience band failure in performance applications. 0L applications or to convert a 2. These pro. Sonnax valve body layouts provide a detailed Installing Sonnax boost valve kit 76948-02K eliminates pressure loss, restoring proper line rise and robust Reverse action. Lightly stake the pin bore after pressing in the balls. View, download or print these Sonnax offers two neutral safety backup insulator service kits 22229-03 and 22229-07K which replace missing, cracked or broken insulators and eliminate the chance of returning fatigued or brittle OE parts to service. It's easy to upgrade Chrysler 68RFE clutch capacity with the Smart-Tech overdrive clutch housing kit 72960-16K, but there are five key assembly steps you have to get right for the best results. Sonnax Sure Cure kit SC-4L60 for GM 4L60 (700-R4) units is a comprehensive reconditioning package featuring the best Sonnax products developed to help rebuilders restore and enhance transmission performance. Find a Distributor. None. Introduced in 1982, the 4-speed Overdrive GM 700-R4 transmission — also known as the 4L60 — remains a popular option for street/strip performance applications. Through a fusion of top-notch expertise, innovative engineering, technical mastery and precision manufacturing, these groundbreaking parts overcome OE limitations to deliver the ultimate in transmission performance. Installing Sonnax actuator feed limit valve kit 104740-47K renews the hydraulic integrity of this circuit, restoring normal shift operation and feel. Failsafe mode. Installing Sonnax 3rd and Reverse checkball sleeve kit 34200-47K restores the hydraulic integrity of this circuit to reestablish normal shift operation and performance. These steps are often overlooked or not well understood, so this video brings you right to the builder's bench to learn how to: Each Sure Cure kit comes with the same Sonnax parts sold individually to resolve common valve body complaints as well as other transmission problems. Jun 22, 2023 · The Sonnax 4L80-E, 4L85-E Performance Pack is the most complete upgrade kit for top-quality builds. 2nd Gear starts w/MIL on. The hydraulic integrity of the VFS signal pressure circuits are re-established, and future wear prevented with positive sealing and wear resistant components. Pinion Pins (4) Pinion Rollers (72) Pinion Washers (8) Round. A new pressure regulator valve outer spring is also included Oct 13, 2020 · Presented by Sonnax. Wear at the AFL valve bore can cause low torque signal and/or low 1-2, 3-4 shift solenoid and shift signal circuit pressure, resulting in Code 1811 Sonnax designs, develops and manufactures the highest quality aftermarket automotive products. com Page 2 Instructions Sonnax high capacity 4-5-6 clutch apply piston kit 104960-10K features a modified OE clutch apply piston and piston dam that are used in conjunction with a specially-designed toothed apply plate closest to the piston. See instructions for details. Sonnax designs, develops and manufactures the highest quality aftermarket automotive products. OD clutch burned. Prevents repeat bushing failure caused by excess endplay. No Special Tools Required. Apr 28, 2017 · Recommended Sonnax parts for 4L60-E series rebuilds make it easy to upgrade heavy-duty and high performance vehicles at any power level for max reliability. * . Redesigned, patented valve alleviates cooler/converter starvation Super Hold Servo Kit. Slips, flares & bind-ups. This kit also uniquely provides a new OE separator Sep 28, 2017 · Sonnax 1-2 and 2-3 accumulator control valve kit 36948-13K resolves these issues and provides a firmer-than-OE shift quality. Sonnax Zip Kit 6L45-6L90-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the GM 6L45/50/80/90 valve body. Save Time & Money Tool KitPart No. Sonnax pinless Forward accumulator piston kit 77987-01K eliminates these problems. Fits 48RE Part# 22301B-01K. 300" dia. The kit contains uniquely designed parts to prevent the loss of pressures and brings back normal shift operation. Sonnax Zip Kit 6T70-G2-ZIP targets the root cause of multiple concerns by sealing critical circuit pressure losses in GM Gen. Restore use of OE cooler bypass valve in various Chrysler RFE units, Aisin Seiki AS69RC & ZF8HP45/70 units Sonnax offers two neutral safety backup insulator service kits 22229-03 and 22229-07K which replace missing, cracked or broken insulators and eliminate the chance of returning fatigued or brittle OE parts to service. The reamer should actually pull itself through the bore, so little or no forward force should be applied. And, like all Zip Kits, no reaming or special tools are required. Direct replacement 4. 420" O. options. For maximum benefit, installing Sonnax lube-regulated pressure regulator valve 22771A-02K along with Sonnax manual valve is recommended. When the eighth checkball was added, the separator plate also changed ( Figure 4 ). The kit contains uniquely designed parts to prevent the loss of pressures within the main line, clutch apply control and lockup control circuits. Sonnax manual valve 22771-09 is engineered to overcome the OE shortcoming by allowing fluid into these critical circuits when in Park. . A separate Zip Kit® ZF6-6R60-ZIP is available for 6R80 2014-earlier applications. Watch this step-by-step video to learn how easy it is to assemble and install the Sonnax Smart-Tech ® drum module 34555-01K for GM TH400 drag racing transmissions. Learn More About Zip Valve™ Drop-In Repairs. The 6L80 also is found in the Chevy Corvette Sep 30, 2005 · Reconditioning the bore and installing Sonnax oversized pressure regulator and boost valve kit 104520-07K re-establishes the hydraulic integrity of these circuits for proper line pressure control in all ranges. The optional parts include a shim, spring and spacer which, when combined with OE springs, result in a Jun 6, 2018 · To prevent these conditions in the 1-2 or 3-4 accumulator bores, Sonnax offers pinless accumulator piston kit 77998-03K. A750-LB1. • A Marmon/Berkshire Hathaway Company 72960-16K-IN 04-16-24 800-843-2600 • 802-463-9722 • F: 802-463-4059 • www. Helps cure: Codes 841, 868, 871, 988, 1775, 1776. Its pin is longer than the longest OE pin, allowing for a full range of adjustment. Tool is recommended but not required. Sonnax bore sizing tool 36948-12 (available separately) properly resizes the bore to prevent hang-up or sticking of the new valve. In either case, you will need to install Sonnax isolator sleeve kit, 77754-ISO: Ream bore using Sonnax tool kit 77754-SERV followed by Sonnax tool kit 77754-RM5. Classic large-ratio boost valve gives you crisp, clean shifts without harshness. Dual seals stabilize and completely seal the bore and provide a tight seal even after Apr 7, 2015 · Drilling clutch feed orifices is a proven way to reduce clutch engagement time and firm-up shift feel. Whether you want to rebuild the valve body yourself or save time and money with a fully remanufactured unit, Sonnax has you covered. 1. Sure Cure kits include comprehensive, step-by-step installation instructions covering the inspection and repair of the most critical valve body areas. About the 6L80 Transmission. Reinforcement retaining clip attaches to OE clip to prevent over-stroking. Many parts also are found in Sonnax heavy-duty and Level 1 and Level 2 performance builds, so no matter what power level you're running at, it's a great way to understand the options when upgrading 4L60 Sep 30, 2005 · Excess wear at the isolator valve bore reduces TCC apply pressure. Introduced in 2006, the 6L80 is a popular, 6-speed, RWD transmission produced for more than 8 million trucks, SUVs and cars. Overdrive/Reverse Housing. Feb 22, 2016 · View Instructions Find a Distributor The GM 4L60, 4L60-E, 4L65-E and 4L70-E input drum assembly is known to crack where the input shaft is pressed into it (where the overrun clutch rides). However, for improved reaming experience, results, and ease of use, it is recommended that oversized valve kit 92835-32K and associated tool kit F-92835-TL32 be used Aug 21, 2013 · This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts, solenoid codes, wrong gear starts, and clutch/band failure. 300" O. Jun 11, 2019 · Zip Kit®Part No. The kit contains uniquely designed parts to prevent the loss of pressures within the main line, clutch apply control, solenoid feed and lockup control It's easy to restore and extend vehicle shift quality with a Zip Kit ®. Jan 14, 2005 · In 4L80-E units, part can be used in either early or late-model drums. 92835-39K. Lip Seal. 6T70-G2-ZIP. c. Primarily used on multi-axle, Class 6, 7 and 8 trucks. Sure Cure components are the same Sonnax parts sold individually to resolve common valve body complaints as well as other transmission Sonnax line pressure booster kits deliver precision pressure control you can count on, with a shift feel that will keep your customers happy. 2. Figure 1 – Stretching Seal. Quality solutions for every transmission job. Helps cure: Direct clutch failure. Innovative components work together to precisely recalibrate pressures and shift accumulation, delivering firmer shifts under load without sacrificing low-speed drivability. Pin has an optional washer to pre-load the spring for a firmer 3-4 shift. U660E-ZIP. • A Marmon/Berkshire Hathaway Company 34994-01K-IN 06-26-20 800-843-2600 • 802-463-9722 • F: 802-463-4059 • www. Hardcoat anodized aluminum regulator Sep 30, 2005 · Installing Sonnax pressure switch rebuild kit 124740-70K restores normal switch operation, eliminating codes and providing renewed shift performance in all ranges. Oversized pressure regulator valve and matched spring restore OE function. May 16, 2010 · The improved design and material of Sonnax accumulator piston kit 22841-04K eliminates cross-leaks between circuits. Figure 1 ©2022 Sonnax Transmission Company, Inc. • A Marmon/Berkshire Hathaway Company 77754-04K-IN 08-16-22 800-843-2600 • 802-463-9722 • F: 802-463-4059 • www. Super Hold Servo Kit. However, for improved reaming experience, results, and ease of use, it is recommended that oversized valve kit 92835-32K and associated tool kit F-92835-TL32 be used This Sonnax kit cannot be used. Restore use of OE cooler bypass valve in various Chrysler RFE units, Aisin Seiki AS69RC & ZF8HP45/70 units May 25, 2016 · Solenoid Switch Valve Plug Kit. Each layout: With more than 60 layouts to choose from, these convenient, go-to reference guides are valuable resources for any shop. Fits '96-'08 units. 50" O. 17 at Sonnax Tool Shop. 4th Gear Super Hold Dual Servo Kit. Email Share. The optional parts include a shim, spring and spacer which, when combined with OE springs, result in a Aug 21, 2013 · This wear prevents proper regulation of oil pressure supplied to control solenoids resulting in harsh or soft shifts, solenoid codes, wrong gear starts, and clutch/band failure. Hardened steel boost valve has over 20% wider spools to provide better durability and increased sealing contact area. 77917-TL. For output and reaction planetaries, fits all TH400 and '98-earlier 4L80-E with . Sonnax super hold servo kit K65703 for GM TH200, 200-4R, TH200C units features a 17% greater apply area than the Grand National servo. sonnax. Delayed Reverse. Classic large-ratio boost valve action from both hydraulic valve kits & RFE electronic booster. Feb 3, 2022 · Sonnax thermal bypass eliminator kit 72760-01K allows reuse of the OE cooler block with the built-in pressure relief by removing the old OE thermal bypass valve and replacing it with a plug that permanently allows flow through the cooler. Dec 7, 2022 · Presented by Sonnax. Quick Find Instructions; Vacuum Testing; Valve Body Layouts; Contact Product Support; Sonnax Transmission Company 2 Imtec Lane, Bellows Falls, VT 05101-0440, USA May 25, 2016 · Solenoid Switch Valve Plug Kit. Fits A750, A760, A960, AB60. Print. Feb 21, 2013 · The Sonnax boost valve kit 34200-01K eliminates these problems. This chart breaks down the five types of Sonnax TH400 transmission parts available at different performance levels. Although the module has a different design than the OE forward and direct drums, only a few components are unique and anyone used to TH400 builds will have no Nov 29, 2016 · Refer to Figure 3 for the location of the new #8 checkball, which is near the center of the valve body. Sep 30, 2005 · View Instructions Find a Distributor The OE actuator feed limit (AFL) valve routes regulated line pressure to the pressure control solenoid and the 1-2, 3-4 shift signal circuit in GM 4T65-E units. The new and improved kit features clutches optimized for capacity and squawk resistance plus longer, flange-head plate screws for extra secure fit and optimal clamping force. D. T36008A (Recommended) View Instructions Find a Distributor. Plug the pin bore in bottom of accumulator bore by installing both Sonnax balls (Figure 1). 2 6T70, 6T75 and 6T80 valve bodies. a. Nov 19, 2008 · Reamers can be sharpened, but should only be done by a professional tool sharpener. 4th Clutch burned. Mar 8, 2023 · Wear at the outboard spool robs converter feed pressure and lowers line pressure, resulting in soft shifts and burnt clutches. Valve body reaming fixture VB-FIX required. 750" wide pinion gears. Replaces worn checkball sleeve to correct loss of apply pressure. Code 87, 730, 756, 1811. Kit repairs laminate disc and seal failures only; it will not rectify electrical breakdown. Sonnax transmission products are the number one choice of large transmission remanufacturers, quality valve body rebuilders, and veteran independent specialists around Since all tooling is designed to work with specific Sonnax parts, ALWAYS refer to those unique part instructions – not these general instructions – before beginning repairs. Align the guide pin and Planetary Rebuild Kit. Instead, install Sonnax oversized solenoid switch valve plug kit 92835-22K after reaming bore with Sonnax tool 92835-RM22. Bore Reaming. 020" Shim with Tab 2. Regardless of the unit, Sonnax Smart-Tech ® products are the best of the best. Reconditioning the bore and installing Sonnax TCC regulator and isolator valve kit 77754-04K restores normal TCC operation by restablishing the hydraulic integrity of this circuit. Install Sonnax D-ring seal in groove nearest the closed end of the piston (Figure 2). If large spool is . Figure 3: 2014-Later 6L80/90 Valve Body. Once the seal is in the groove, you can roll the part in your hands to help The tapered threads and the lack of a stop on the OE cooler line fitting can load the case and create a fracture, resulting in leakage that may require replacing the case. and the case bore, eliminating oil circuit leaks. 453". Fits bores containing OE switch valve with . Installing Sonnax governor bore plug kit 22771-14K prevents critical oil pressure leakage. Maximum line presssure. This plug is used in two locations in the valve body: to separate the forward abuse and low overrun valves, and to separate the reverse abuse and Sonnax Smart-Tech ® Protect your customer's upgrade investment. com Page 2 TRANSMISSIONPARTS Sep 30, 2005 · Zip Kit®Part No. Sleeve manufactured from highly wear-resistant aluminum. Sonnax 3-4 accumulator control valve kit 36948-09K resolves these issues and provides a firmer-than-OE shift quality. Installation. Figure 4: 2014-Later 6L80/90 Separator Plate. If it is still too snug to fit, you may have to repeat the previous stretching process until you can slide the seal the rest of the way over the end of the servo. The step machined into valve spool acts as an orifice to allow full oil flow to clutches when appropriate, preventing premature clutch failure. Non-rotating shims correct differential endplay and prevent future wear. It's used by GM in about 20 models, most widely in the Chevy Silverado, Tahoe and Suburban, the GMC Sierra and Yukon, and the Cadillac Escalade. Eliminate cross leaks between circuits. 6L45-6L90-ZIP. Sonnax Performance Pack HP-4R100-01 offers innovative, heavy-duty calibration for firmer shifts under load without sacrificing low-speed drivability. spring best suited for towing applications ©2020 Sonnax Transmission Company, Inc. Annular grooves help center valve in bore to reduce future side-load wear. Replacement retaining clip added as original is frequently lost. Install Sonnax PTFE seal in groove nearest the open end Feb 3, 2022 · As the vehicle gets up to operating temperature, this can result in transmission overheat. Sonnax offers a hardened steel sleeve that reinforces the input drum to prevent this failure. 700-R4 (4L60) Performance Transmission. MSRP: $168. For general reaming instructions, click here. The TH400 is preferred for its overall durability and multitude of available ratios, but is known to be heavier and less efficient than the popular two-speed Powerglide. ©2024 Sonnax Transmission Company, Inc. Sonnax boost valve kit 34910-01K eliminates the above problems by restoring hydraulic integrity and providing a positive seal with the pump bore. Shift codes. Part No. Learn more about Line Pressure Booster Kits. It's the perfect choice for performance applications when a larger-than-OE servo is desired, and its unique design avoids the Sep 24, 2010 · When vehicles are pushed harder, components progressively increase pressure for improved clutch holding capacity and increased durability. Hardcoat anodized aluminum valve combats premature wear. Erratic TCC apply. Includes fluid rerouting for additional D4 protection and new servo cushion spring to reduce downshift clunk. The reamer should be turned either by hand using a speed handle or by a low rpm, high torque air drill regulated to a maximum of 200 rpm. Sep 16, 2005 · Sonnax Reaming Instructions: If VB-FIX Required (Visual) Tech Resources Transmission Article Valve Body Reaming. More information and instructions can be found online at www. But many times when a feed orifice is enlarged, the hole is drilled too large and the change in shift feel is far Jan 9, 2018 · This kit replaces the original Sonnax Smart-Tech overdrive clutch housing kit 72960-06K. Also available, Sonnax line pressure plug and sleeve kit 22229-01K can be used to replace all OE sizes and has a reduced plug to increase reverse boost. Sonnax Zip Kit 4R44E-5R55E-ZIP targets the root cause of multiple complaints by sealing the critical circuit pressure losses in the Ford 4R44E, 4R55E, 5R44E and 5R55E valve bodies. Sonnax cooler line repair kit 22000-01K features adapters that seal on the leading edge, preventing fluid from reaching the fitting threads and crack. Formerly a popular Sure Cure ® option, Sonnax Zip Kit E4OD-4R100-ZIP includes added components that extend the coverage of this kit to include later applications. Prevents input sprag and Forward clutch failure by engaging overrun clutch in D4 1st, 2nd and 3rd Gears and D3 1st and 2nd Gears. hy xs eb hp ek ft xj fo jf lu