4l60e Reverse Boost Valve LocationIntroduced in 1982, the 4-speed Overdrive GM 700-R4 transmission — also known as the 4L60 — remains a popular option for street/strip performance applications. From the same circuit the complaint can be delayed reverse, flare 1-2 or 2-3, and harsh shifts following a forced downshift. 500" Boost Valve and Bushing Steel Replacement Kit. These are commonly referred to as “garage shifts”. Accumulated internal leaks, either before or after feed orifices 6. Helps cure: Overheated fluid & TCC lining. It's a $45 part and well worth the peace of mind. 4l80e transmission pressure question. 35935 4L60E 4L65E Transmission shift kit 1993-2007. Quality steel boost sleeve with external O-rings provides …. P0741: Torque Converter Clutch Solenoid Circuit Performance/Stuck …. The shift solenoid controls gear engagement and gear shift. Not only do ALL tech agencies tell you to leave the ball out on ALL Pre '96 units, I know ATSG even suggests drilling a. which, acording to Transgo, lenghtens, the 1-2 shift time. Moving BS6 to the lower valve body put it near the SS2 (shift solenoid 2) circuit, so low/reverse clutch oil would dump when SS2 came on for the shift to 2nd. It is found beneath the engine control module. Rear planet sungear's inner bushing is loose and is walking around. Problem #4 - The Input Clutch Drum. There also were some subtle changes in the valve body to enhance the pressure curve. The large land is the reaction area for the throttle pressure. I have a 4l60e out of a 2004 GTO and bought Transgo's HD2 kit. 490” with O Ring Early style Pump: 93-05: 1: 14A: 37791K : Reverse Boost Valve Kit. 7K subscribers Join Subscribe 525 16K views 2 years ago PHOENIX Learn how the. TransGo Automatic Transmission Boost Valves 4L60E. Depending on how late model 4L60E you have the early design valves will not fit with out machine work. It shares the same case and basic design with the 4L60E, and 4L65E. It's a "captured" ball and sometimes can pop out unnoticed during the washing process. Band life may be extended by installing a Corvette servo assembly TCI® 376003. Part Number: TRG-4L60E-BOOST 4. Telephone: Parts Warehouse (318) 742-7353 Transmission Shop (318)742-7784, (318) 550-5731, …. Sonnax valve body diagram for 6R80, 6R100 units. How to Build a 4L60E Transmission That Can Handle 1,000+ HP. 700R4 Governor weights and springs. THIS VALVE IS A MUST FOR ANY PERFORMANCE UNIT AND WILL ADD THESE BENEFITS; Intermediate & Rev Boost Valve and Bushing: …. Early 4L60 transmissions ('82-'86) use a. Reverse Boost Valve Kits: 2005-and-earlier Long valve train: 24234396 regular, 24234397 High Perf Short valve train: 24234396 regular, 24234397 High Perf The Bottom Line If the unit you’re building has an ISS or an input shaft with a boss, you must have an ISS-equipped pump assembly (figure 8). Download a free 186 page 4l60e rebuild manual pdf and procedures guide. I checked the FSM and the only pressure regulator boost valve found was in the front pump. 46-MOD 4L60E Vacuum System Installation X Pan rail 7/16" 7/16" READ THIS: If you are unable to install the boost bushing parts due to interference with the late model speed sensor harness, use. EPC circuit problems also cause broken bands and servo piston seal blowout. Purchase a 4L60E rebuild kit online. Sonnax boost valves are designed to get the right combination of pressures through. I found a partially stuck valve in my 4L60e valvebody, that i could not get completely out. 4L60E 4L65E 4L70E Reverse Input Drum w/ Hi-Performance Wide Alto Red Eagle Band. there also was a change in the boost valve in the front pump for reverse line-pressure boost. Boost Mobile Mount Vernon NY: 116 GRAMATAN AVE. NOTE: Metric tools are required to disassemble and assemble the 4L60E, see tool list at rear of this booklet. Solenoid CastingU660E/F ’11-EarlierU660E/F ’12-LaterU660E/FUpper Valve Body …. An online phone book, like the Telkom phone book, provides a quick way to look up numbers of people and businesses you want to call or locate. 070) I drilled the other holes to Transgo recommendations. 4L60E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Where to Buy; Reverse Boost Valve Kit 47740-38K. Remove TCC PWM solenoid retainer clip. Because the reverse clutch pack is engaged only in reverse, you’re looking at only the reverse clutch. Many aftermarket suppliers offer an upgraded replacement valve …. Otherwise, it’s a solid piece — but the TH400 is stronger overall. If bore is excessively worn, install Sonnax oversized pressure regulator and boost valve kit 76948-17K. There are always exceptions, though. 4L60E Identification + Specs. Second Shift: Upgrading a 700-R4 for quicker times at the strip. TransGo Automatic Transmission Boost Valves 7. Toyota/Lexus U151E/F, U250E Valve Body Layout. The 48RE went into production in 2003, and there were many changes made to the clutch packs and gear train that set this transmission apart from its 46/47RE predecessors. 4L60E; 68RFE; 6L80; Browse All Units ; Transmission Wear of the reverse boost valve sleeve allows line pressure to escape to exhaust. GM 8L90 – The Other 8 Speed Automatic: Part 1. Early bands had a grooved lining and later bands were smooth lined. Seal restorer may fix last problem, but probably R&R. Wear in the Reverse boost sleeve results in low line pressure, soft 1-2 and 2-3 shifts and/or Reverse engagement or shudder. Oversized Lockup Relay Valve Kit 97741-20K. Some of the most-common causes are low line pressure and internal leaks of third-gear oil. For increasing the pressure, use a sonnax brand boost valve. Affected Transmissions – 4L60E, 4L65E, and 4L70E; Cause – Loss of 3rd and 4th gears (accompanied by a P0757 code). Pulse Width Modulation was introduced as a new TCC apply strategy for all 4L60E transmissions starting in 1995. For years we have known the 4L60 and 4L60-E 2nd Gear servo came in three different sizes, and one aftermarket size in the Sonnax 2nd Gear super hold servo kit 77911-03K. Type 1 separator plate #24245720 on Type 2 valve body causes a no 3rd and no Reverse …. With the 2007 4L70-E, there is a fourth OE servo size that gives builders …. For A245E and A246E, fits '05-later with upper casting code 9132. he also removed the valve bodyto inspect the plate and other components. 00 Read more * Superior K500-618, 500 / 618 Shift Correction Package $ 83. Open a World of Possibilities! Find TCI Full Manual Valve Bodies and get Free Shipping on Orders Over $109 at Summit Racing! Get maximum performance and quicker ETs with these TCI full manual valve bodies. GM 4L60E Boost Valve and Sleeve This Boost Valve and Sleeve Kit from Superior will improve all 4L60E Transmissions. 4L60E 1993-1994 2WD TRANSMISSION 5. Displays an exploded view location guide for individual valve trains; Boost Valve Kit 57917E-01K. • When disassembling the valve body, note the following: A. By JTodd in forum Introductions Replies: 1 Last Post: 04-19-2013, 01:20 AM. Fits '95-later F5 and F8 E4OD pumps. The copper coins were struck in Denver (D), San Francisco (S) and Philadelphia (no mint mark). Transmission parts, Torque Converters, Overhaul kits, Rebuild kits, Master overhaul kits, Performance Torque converters, Racing frictions and steels, Transmission bushings, Transmission filters, Transgo shift kits, Sonnax valves, and much much more. 4L60E Pressure Regulator Valve (Boost Valve) (Part 2 of 3. The K33799 spring that came with your rebuild kit is for very old pre '96 transmissions. Oslo Central Station ( Norwegian: Oslo sentralstasjon, abbreviated Oslo S) is the main railway station in Oslo, and the largest railway station within the entire Norwegian railway system. In most cases, the shift solenoid is located inside the oil pan and connected to the valve body. *Remove the 2nd & 4th Band Servo from the. O-Rings provide additional protection against leakage at the sleeve bore. Effective March 7, 2005, the pump cover (215) now uses a more compact reverse boost valve (219) and reverse boost bushing (220) (View 1). This 4L60E transmission rebuild kit for 1997-2003 GM comes with everything you need to give your transmission a performance boost. This is the easiest way to identify it. Find Parts and Accessories 4l60e boost valve KEYWORD and get Free Shipping on Orders Over $109 at Summit Racing! Auto Trans Reverse Boost Valve. Sonnax Ford 4R75E Transmission. VR 4l60e line pressure adjustment. A P0741 code is typically triggered by a faulty torque converter, but it can also be caused by a worn TCC valve, or internal transmission failure, among other issues. Sonnax Oversized Clutch Boost Valve. If trouble is found with pressure supply to these solenoids, Sonnax offers oversized AFL valve 104740-12. A 2006 Chevrolet Suburban C1500 was brought to a transmission shop. From what I can tell, the pump in the auto picks up the fluid and pumps it towards the PRESSURE REG VALVE / BOOST VALVE located in the pump assembly itself. Answer to Any 4L60E Problem. down on the TV boost valve sleeve while removing the retaining ring. 1993 to 2018 General Motors vehicles equipped with 4L60E, 4L65E, 4L70E and 4L75E automatic transmissions often wear out the actuator feed limit (AFL) valve bore. If I shift into reverse while the rpms are up the wheels will sometimes jerk and sometimes get a half rotation out of it if it gets reved up, but for the most part, nothing. 4l60e and different boost valves. All of the solenoid ID and locations are the same. For minimal line pressure in V8 applications, use Sonnax TV boost valve kit 77917-01K. 4L60E One Piece Case Identification: 93-97. In 1993, a reverse feed orifice check ball was added to the valve body, and GM went back to the drum with the rectangular feed hole in the reverse input drum. Sonnax The Sure Cure® Kit. I haven't bought a pressure gauge to test out pressures yet. Jemo Discussion starter · Mar 13, 2009. Small to medium ratio, OE code 067. How to remove 4L60E valve body and replace plastic. 4L60E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; TH400; Reverse Boost Valve Kit 47740-17K. Sonnax valve body diagram for 4L60-E, 4L65-E, 4L70-E units. Flow Control: How Solenoid Design Influences Clutch Circuits. -A/C Delco wire harness with all solenoids, EPC, manifold sensor, etc. Dirt, loose threads from rags and pieces of old gaskets can become lodged in valve bores and/or separator plate orifices and cause the transmission to malfunction. Although they look similar, they have completely different functions. 472” OE diameter Boost Valve">TransGo. This can cause trouble codes, wrong gear starts, falls out of gear and clutch plate burn-up. View recommended parts for quality. Sonnax 4L60E-LB1 Boost Valve & Spring 4L65E 4L70E 4L75E. If DSL is stuck open in Reverse, B2 control valve blocks oil to B2 clutch inhibiting Reverse. Poor Forward & Reverse engagement. 48RE Transmission Throttle Valve Actuator Codes. Before any upgrades, addons, and/or core charges. 500: Hard Parts Select delivery location. TransGo Performance Shift Kits 4L60EHD2. Manual Shift Control or Gear Command™ option. Depending on your vehicle, a mechanic may be able to replace the broken shift solenoid but sometimes, solenoids come in multiple packs so if there is a problem with one, all must be replaced. By CDeeZ in forum GM EFI Systems Replies: 1 Last Post: 02-26-2013, 05:06 PM. Sleeves and valves are made from high-quality, hardened steel to resist wear. 4L60E Transmission Swap Tips and Tricks. For 2005, GM changed the design (late pump). Band didnt look bad at all Reverse input clutch drum and input housing set aside. the one closest to the 1-2 accumulator (pass. Improved PR/EPC reaction area ratio provides higher line rise response to EPC pressure, which results in noticeably firmer shifts. As the accelerator pedal is depressed and the throttle opens, the T. Remove OE retainer and set aside for reuse. ALL RIGHTS RESERVED *Prefix Letter ‘T’ denotes Toledo-Trans Kit (TTK) Brand Transmission Kits. These problems can often be caused by worn and leaking boost sleeves. The valve can be replaced with the tranny in the truck, but picking the correct replacement can be tricky. Common complaints on this transmission are TCC slip or shudder, code P1870 or P0894, harsh 1-2 shift, double bump shifts, 2-3 flare up, burnt 3-4 clutch plates as well as inconsistent. 10 Common 4L60E Transmission Problems & How To Fix! (2023). Where to Buy Danfoss Pumps. Chevy Silverado 2500 HD Transmission Problems & Cost. I’m talking about converter flow valve in the pump housing, the ppe stage 5 comes with Transgo lock up boost valve to increase pressure when converter goes into lock up I did order another boost valve from Transgo and according to the instructions there are 2 different styles of pump housings and their instructions say in bold letters only fits …. The mint mark on the 1936 buffalo nickel is located on the reverse of the coin, just below the “Five Cents” designation beneath the buffalo. 4l60E pressure regulator boost valve. Burnt 3-4 clutch packs are notoriously common in the GM 4L60/E family of transmissions. How to make the 4L60E live and last longer. The combination of these springs and valves in a Sonnax kit gives you the best of both worlds: a modest pressure increase at the low end, with a high-end pressure …. Buy 4L60E Boost Valve Delivering to Lebanon 66952 Choose location for most Bonbo Rear Clutch Spring Compressor Transmission Tool Low & Reverse Spring. Heavy Duty Planetary Rebuild Kit 28922-01HDK. Check the item description to confirm this fits your vehicle. GASKET “C” - CASE SIDE, 1993-2000 The location of all check balls in the valve body (7 balls) and transfer plate (1 ball). 1993/1994 transmissions are interchangeable. 4L60E; 68RFE ; 6L80; Browse All Units Reverse Boost Valve Kit 47740-17K. 472 boost valve / new reverse boost valve: Pump Cover: Factory. If you are not installing the Transgo HD2 or Sonnax Performance Pack shift kits, then get the Sonnax 4L60E-LB1 boost valve (for '96 thru '05). When it does, it’s almost always something that you’re going to have to open the transmission up to investigate. Updates to Remanufactured F4A42-2 Transmissions. I ALWAYS replace the sun shell with a "Beast" sun shell on a 700 or 4L60E build. i took a tranny to my son to repair the reverse sun shell. Set the spring aside (it will not be re-used. 300 Reverse Boost Valve No O'Ring …. make the 4L60E live and last longer. 4L60E Boost Valve Recommendations. You can search these sites by name, keywords or location and, sometimes, you can enter a phone nu. I have a complete rebuild of one o this units, but I think is a little vauge since I explain to refer to the teardown video to do the "Reverse of Removal" wh. 4L60 700R4 2004R Sonnax Reverse Boost Valve. In the later units the passages are TV1 (controlled by PCA), TV2 (controlled by PCB), and reverse boost (controlled by the manual valve, figure 1). I already purchased everything I need, more or less (tools and rebuild components). The M30 transmission has an aluminum case and weighs 162 pounds with all the fluid in it. The cost of a replacement transmission 4l60e shift solenoid b. reverse apply circuit, or broken sunshell. Helps cure: Reverse slip; Poor line pressure control; Poor Forward & Reverse engagement; Poor cooler charge at idle; Soft Reverse; Oversized Lockup Boost Valve Kit 22771-19K '94-Later with boost oil delivery tube. 4l60e reverse boost valve location and procedure Hi, Im just starting to get into rebuilds and mods and such i just bought a vette servo and a reverse boost valve, i got the servo in but cant seem to find out where the reverse boost valve goes , can anyone send me links and pics good instructions cause i dont know much. See how easy it is to master vacuum testing …. Watch Out for 4R70W Pressure Regulator Valve & Casting Wear. This 4L60E-3 Reprogramming Kit fits 1993 to 2008 General Motors vehicles equipped with the 4L60E, 4L65E and 4L70E automatic transmission. Get more information about the 4l60e transmission valve body assembly. Location and Function of New #8 Checkball for 6L80/90 This action allows clutch select valve 2 to move to the right by spring force, connecting the low reverse passage to an exhaust. STEP 1: Drain oil and remove transmission from vehicle. This plug acts as a separator and a seal between …. sabino56 Discussion starter · Jan 18, 2015. MAD DOG TRANSMISSIONS 1025 Union Center Dr Suite E Alpharetta, GA 30004. Line Pressure Booster Kit 4L60E-LB2. Rocking a '15 Odyssey EX-L minivan now. Location: Canada the land of snow and ice. Level 1 – “Stock Plus” Mega Valve and Corvette Servo. Sometimes the 3-4 accumulator spring (purple) is broken too. Hardcoat anodized aluminum valves combat premature wear. 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. The reverse abuse bore plug behind the 3-2 control valve leaks 3 rd Gear oil and should be replaced. Sonnax Chrysler 46RE Transmission. Installation Instructions SHIFT IMPROVER KIT. Not all '93 vehicles got the 4L60E. 490'' GM Genuine Parts 24230298 Automatic Transmission 1-2 and 3-4 Shift Solenoid Valve, Metal Transmission Parts Direct (24201131) TH700-R4/4L60E: 2nd & 4th (Intermediate) High Energy 2. Install BLUE spring & ISO-CONV Valve. 4L80-E and others, worn boost valve, cross leaks causing high reverse line pressure. Be careful as there is heavy spring tension behind it. You will need to seal the connector by injecting a small amount of RTV into the now empty cavities "T" & "U". How to start root cause analyse. The rubbing sounds could be the sun shell rubbing the case. Shipping is $200, cooler and flush is $75. Helps cure: Soft shifts; Delayed Reverse; Low line rise; Elevated Pressure Main Pressure Regulator Spring 36424-10. 6,619,323 NOTE: Late style Figure 1 Early style (long) 1. Transmission Comparison – Jake’s Performance. Use care when removing retainers and plugs. No longer can businesses rely on blanket advertising campaigns to reach their desired audience. 4l60e Valve Body Diagram Read More. ) B C A NOTE: The boost valves and reverse boost sleeve can easily be installed incorrectly. about 6 months back the front pump seal in my truck blew. Line Pressure Booster Kit. Helps cure: Soft shifts; Low line rise in Drive; High line pressure in Reverse; …. For 40 and 41 series transmissions, this kit CANNOT be used in early units that have #33 separator plates. Posts: 64 Likes: 3 Received 2 Likes 4L60E, 4L60E. The engine light come on due to the no shift. 500” diameter for applications that require a faster line pressure boost curve and increased max line pressure. 4L60Es had so many variations in trucks. Sonnax input drum reinforcement kit 77733-51K includes a custom manufactured overrun piston that is. Identifying Allison 1000/2000/2400 Valve Bodies. TRANSGO NEW REVERSE OUTER BOOST VALVE BUSHING. The Sonnax plug has an increased diameter to restore proper valve body clearance in the …. At least this is true of 93 my F body cars as 1994 was the 1st use of the 4L60E. notes: fits early long and late short valve assembly, 0. Parts spread all over the place at this point. 740", and for the short boost assembly is 4. They identical in terms of length and where they bolt to the crossmember. 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 piston rides). buffalo engine components, inc. Helps cure: Low line pressure; Burnt clutches; Soft upshifts; Delayed Reverse; TCC Regulator Valve …. Common issues that may cause you to believe the 1-2 or 2-3 shift solenoids are failing are a bad accumulator, stuck shift valve, just to name a few. Produced from 1982 to 1993, the GM 4L60 is a 4-speed, hydraulically-controlled transmission known as the Turbo Hydramatic 700-R4 until a name change in 1989. Better band, bigger servo, increased pressure all contribute to the harsh 1-2. then get the Sonnax 4L60E-LB1 boost valve (for '96 thru '05). A diagnostic scan comes up that shows code 1870 internal slippage. 200-4R, 4L60 Reverse Boost Valve Kit K77898A. GM Front Wheel Drive Import Valve Body Check Ball Location; GM Transmission Repair Manuals; reverse boost valve & sleeve (With O-rings). I have heard this is caused by the TCC valve needing to be replaced in the Valve body. GM Drivetrain & Suspension - 4L80E reverse boost valve question - I bought a Sonnax self-regulating reverse boost valve and installed it and . Identifies symptoms and recommended solutions for quality rebuilds. 500" Boost Valve (4L60E-HD2)* Opens in a new window or tab. Oversized Clutch A & Clutch E Control Valve Kit 95740-72K. Level 4 – “Extreme Duty” 700 Mega. 3L V8 Vortec engine SLT selectable 4WD fully stock. Here is the gear ratio of the 6L80E automatic transmission: First gear — 4. Valve spools have been lengthened considerably to provide more sealing area with the sleeves. I dropped pan and removed valve body with tranny in truck on a 4L60E from a 93 Suburban. 4l60e shift solenoid b – Review & Quick Fix. There are many different reasons for it, but probably the most often overlooked reason is a leak at the reverse abuse plug in the valve body. I was driving home tonight, in the rain with the second gear start on. ATSG 700R4 Rebuild Manual GM Automatic …. Cyclone returned to our original location along with an additional facility in Canton for installation, warehouse, and R&D. Helps cure: Engine stall on stop; Engine stall on N-D engagement; 01N, 01P Valve Body Layout. Sonnax Ford 4R70W Transmission. Doubt the builder used sonnax, which make slightly …. This transmission is a modification of U150E. Applicable Parts/Location(s) in the Transmission: Function: Appx Cost: Source:. I Just rebuilt a 700R4 out of a 1992 Chevy WT. One of the most common issues with the 4L60E is a broken pump rotor due to improper torque converter installation. I've tried and tried to delicately push it up in it's space and it will not go past a certain point. 3 with a cam and a bunch of other stuff i can provide info on if needed for this question. Insert ISO-CONV Valve into bore. Using GM’s Tech Guide numbering, hole 38c was blocked, hole 35c/39 was blocked, the #5 ball is removed, and hole 35a was relocated. The problem is that most guys drill the 1-2 feed hole too big. SOLVED: 4l60E valve body location. Sonnax Toyota/Lexus U760E Transmission. ACDelco GM Original Equipment 24219542 Automatic Transmission 18 mm Fluid Pump. 283 Small Spool Factory (Fits: Cadillac Fleetwood) $19. Sonnax VW/Audi 01M Transmission. The Sonnax valve is a unique solution that combines an orifice with a ball check valve to tune 3-4 shifts, but it MUST be used with a properly functioning OE capsule. No 4th gear on a 4L60E Transmission. Once the inlet pressure switch can not exceed. Sonnax boost valve kit 36424-01K eliminates these problems. 890"Length (Short) Sleeve, Standard. 4L60E; 6L80, 6L90; Dodge-Cummins Diesel; Powerglide; Boost Valve Kit 56947J-74K. Transmission Report: How Small Changes Led to the New Form & Function of Gen. GPZ Friction Clutch Pack Module with 3-5 Reverse Z Pak® and 4-5-6 Z Pak®. Check trans fuse underhood, and make sure transmission electrical connector is plugged in. 4R100, E4OD Low/Reverse Modulator Plunger Valve Kit 36947-06K. In addition, there also was a change in the boost valve located in the front pump for reverse line pressure boost. Store Hours of Operation, Location & Phone Number for Boost Mobile Near You Boost Mobile Store by Laconia Wireless 4039 LACONIA AVE Bronx NY 10466 Hours(Opening …. 700R4/4L60E MONSTER Heavy Duty Sun Shell. The forward Accumulator piston with a Sonnax Pinless piston on the valve body (remove plastic piston) 3. Our pressure regulator springs …. Boost valve upgrade on high mileage 4l60e. It is also the final iteration of a design that started back with the 700R4. Video series showing the rebuild of the 4L60E / 700R4 Transmission. beat everyone to the punch when they developed the AA80E for use by Lexus. It lies at the head of Oslo Fjord in the southeastern part of the country. SUPERIOR 4L60E SHIFT CORRECTION KIT W BOOST VALVE">SUPERIOR 4L60E SHIFT CORRECTION KIT W BOOST VALVE. 4L60E internals into early 700R4 case. Fits 1996-18 4L60E, 4L65E, 4L70E. These are the GM ATSG 4l60E-4l80E Transmission Diagnostics and Repair "Bibles" worth Downloading into a Folder and then referred to often for Now, another thing, the forward abuse valve might be a problem, or the boost valve. Hydraulics Fundamentals Part IV: Converter Clutch Control. Transgo (46-PLT-96) 4L60E Transgo, Valve Body Separator Plate (1996-2006) ACDelco GM Original Equipment 24221919 Automatic Transmission 1-2 and 3-4 Accumulator Piston Kit with Pistons 4L60E-BOOST. Pressure regulator & reverse boost valve and sleeve: The reverse boost valve and sleeve in the pump should be replaced every 40,000 miles (65,000km) to avoid damage to the …. The wear allows leakage, reduces line pressure and contributes to line pressure instability. The previous owner installed a new filter and transmission fluid, and since my dad bought it he added Lucus Transmission Addative but with no change. Remove the TV boost valve sleeve and valve, the reverse boost sleeve and valve, and the pressure regulator spring. Install the reverse boost valve and sleeve in the pump cover. just look for signs of wear not just clutch and band failure. Spare parts Technical issues Discuss. These transmissions can be found behind 4. 500" boost valve will increase line pressure a little across the board and accumulator piston spacers/springs will determine the speed/harshness of shifts. All forward gears work perfectly. 4L60E line pressure in Reverse. The Hurst Olds/4-4-2 units had a KZF or an OZ code. 8843astro said: Sonnax is a alloy type material, uses O-rings for more sealing around the boost valve. Came with a 1 yr unlimited milage warranty. New Reverse Booster valve and Pressure regulator piston. 1999 4L60e Small Shaft with NO REVERSE what happened!?. 4L60E Sonnax Performance Package 1994. Sonnax GM Powerglide Transmission. This transmission was especially preferred by BMW (from BMW 3 (4L40E) to BMW 5 and Х5 …. 4L60E; 68RFE; 6L80; Boost Valve Kit 37947-03K. 500 diam No Rib TransGo #4L60E-Boost 46 MOD 31Oct2011 Boost Bushing Step 1 Look at boost valve. Hi! I installed the shift kit into the valve body along with sonnax billet pinless pistons. 4L60E 4L65E 4L70E TRANSMISSION REVERSE BOOST VALVE & SLEEVE KIT WITH O-RINGS. ) The wiring inside the 4L60E transmission looks like this: The corresponding AMPseal …. I left the "1-2 Shift" hole, in the Separator plate at. 5 TD (4L80E) reversed 2 feet and all of a sudden, felt like a fuse popped. PUMP HAS ORING GROOVE FOR YEARS 1998-2004. 472" factory replacement boost valve and bushing kit fits both early long and late short style boost valve systems. Fits '96-later, uses lower OE ratio. GM 4L60E TRANSMISSIONS, 1993-2006. Larger boost ratio increases line pressure and provides firmer shifts. The Sonnax Level 3 build calls for the Performance Pack shift upgrade kit (HP-4L60E-01), the SmartShell Heavy Duty Reaction Shell Kit (77749-02K), the Heavy Duty 2-3 Shift Valve (77754-41), the 4th Gear Super Hold Servo Kit (77767K), 2nd Gear Super Hold Servo Kit (77911-03K), the Kevlar Extra Wide Intermediate Band (77700-01K), the Smart-Tech. Boost Mobile Store by Globosat Inc. The implementation began in February with a new design TCC valve in the pump. 1993 to 2015 General Motors vehicles equipped with the 4L60E, 4L65E and 4L70E automatic transmission over time. Automatic Transmission Boost Valves. The second is so hard that it almost feels like a shift kit has been installed. WILL NOT FIT 4L60E!!!! THIS KIT IS NEW AND COMES WITH THESE ITEMS; TRANSGO NEW. Click on main category to see more related parts. So we started checking the pressure, and it seems as it has max line pressure constantly,even at idle, it has approximately 180-200 psi. Remove OE coiled spring pin from casting at balance end of pressure regulator valve, saving for reuse. boost valve sleeve, boost valve, pressure regulator spring, and damper spring (see photo at. It was working 100% before the shift kit install, which only had us replace parts in the valve body, but it was never able to shift out of first since. the transmission has a tci shift kit,corvette servo, a bigger boost valve, a stronger sun shell,Kevlar clutches and band. It’s also essential to feed the boost valve with a …. Transgo Shift Kit SK 4L60E Fits 4L60E, 4L65E, 4L70E, 4L75E 1993-on (SK4L60E)*. Leakage at the hidden #7 checkball (Figure 1) reduces 3‐4 clutch apply pressure, a direct cause of burnt 3‐4 clutches. Loss of 4th Gear and/or Reverse: Another common problem is an inoperable fourth or reverse gear. 4L60E; 68RFE; 6L80; Browse All Units ; Transmission Intermediate clutch backing plate Heavy duty upgrade for Reverse clutch backing plate retaining ring. Both the 1-2 and 3-4 accumulator pistons are worn in the center, and the 1-2 accumulator spring (the yellow one) is broken. If you have a pump cover that is missing the boost sleeve it is possible to verify which length sleeve belongs in the bore by measuring from the very inner point of the main pressure regulator valve bore to the inner edge of the retaining ring groove. I think you have missed something else. 00 Add to cart; YOKE, T3R-3-9762HP, GM, TH400, 4L80E, MUNCIE, M20, M21, M22 (This part has been discontinued). Sonnax now offers the larger (. Installation Instructions. Pinless Accumulator Piston Kit 77998-03K. 3 swaps so I know I didn't fuck up any of the electronicals or hoses. They're engineered to allow full manual control of the valve body, for quicker shift timing and higher line …. Cut the OEM solenoid connector ends from the wiring harness as close as possible to the plug. The earliest train leaves Bergen at 07:54 am and the latest departures to Oslo at 15:57 pm. done less than 1000 miles after shipping it from USA to New Zealand I pulled it down and found a damaged input shaft seal (first one on the …. 116 GRAMATAN AVE Mount Vernon NY 10550. Valve Body Issues- A bad valve body can make the reverse gear not work in the 4L60E. Install the pressure regulator isolator spring (218) and the pressure regulator valve. 4L60E /4L60 Rebuild Procedures. That means it will feel like you need to apply more force when shifting into second gear. Basically, just buy a transgo hd2 shiftkit and follow the instructions. I have read that some shift kits come with. Remove the bore plug retainer (395) and the bore plug (381). 4l60e reverse boost valve location and procedure.