Otherwise oil current significantly weakens and oil starvation of a transmission appears. The valve body is the automatic transmissions hydraulic control center. Automatic transmission valve body functions and failure. It controls all electrical and hydraulic functions of the automatic gearbox. Toyotalexus u140ef, u240e atsg automatic transmission service group pdf free online. Vacuum testing will allow you to identify the areas that are. Zf 6hp26 6hp28 automatic transmission spare parts catalog 6hp26 6hp28 general transmission oil filling procedure continued select gears with engine idling select r and d by means of manualwinter program as far as 3rd gear hold each gear for 3 seconds and engage parking lock open filler plug on the housing transmision contains too. The transmission valve body is the top control area of the transmission. I removed and reinstalled the valve body on the aisinwarner aw5550sn transmission. Automatic transmission valve body cover gasket by victor reinz. Automatic transmissions use planetary gearsets for all forward gears and reverse.
Automatic transmission ew general information 23a03 general information 1 the combination of highestprecision electronic and mechanical technology heralds a new era in automatic transmission performance. When youre low on oil, coolant or some other fluid, you may be tempted to just run down to the local auto parts chain store. Torqueflite manualautomatic valve body this valve body can be installed in a few hours by carefully following directions. Zf 6hp19 6hp21 automatic transmission spare parts catalog. Selfstudy programme 232 5speed automatic gearbox 09a09b.
Click here to view special tools for this transmission nissan rl4f03av, re4f03ab v. Valve body faulty transmission faulty adjust linkage adjust throttle cable inspect valve body disassemble and inspect transmission at at at29 drag, binding or tieup of 12, 23 or 30d upshift manual linkage out of adjustment valve body faulty transmission faulty adjust linkage inspect valve body disassemble and inspect transmission. It contains a maze of channels and passages that direct hydraulic fluid to the numerous valves which then activate the. Aisinwarner aw5550sn valve body replacement in 2002 v70xc.
The six forward gears and reverse gear are engaged by three multiplate clutches and two plate brakes. Each list for selective shims or snap rings is listed in this section of the catalog. Dsg dq200 7step robotised transmission, designed to transmit torque up to 250 n m. As the name suggests, automatic transmission valve body is a major component of a vehicles automatic transmission system. Shift valves, such as the 23 shift valve, are responsible for shifting the gear up one level. Automatic transmission service group atsg is the largest technical support service in the automatic transmission industry. Transmission repair manuals zf 6hp19 09l instructions for. Zf 5hp19 automatic transmission spare parts catalog table. The valve body with completely automatic solenoids is responsible for cooling of a transmission and greasing of mobile elements. Our comp transmission comes with our reverse manual valve body and is rated for 750 horsepower. Rags will deposit lint that can block or jam shift valves, check balls, and hydraulic ports. Transtar is proud to stock a premium line of valve bodies for both domestic and import applications. Describe the function of pressure modulating valves in the valve body as they apply to. Valve body wear is common in all the gm 6 speed applications including the 6t40.
This gearbox has been designed as the bestseller which had to surpass all predecessors. The cost of replacing a bad transmission valve body will depend on the make and model of your vehicle. For example the 23 shift valve activates the 2nd gear to 3rd gear upshift or. Parts 741 422 421 480 925 950 379 779 780 rear cover 370 344 forward accum o. Page 96 at83 automatic transmission valve body remove the lower valve body together with the valve body valve body assembly install valve body plate hint. Refer to figure 106 for upper valve body exploded view and identification of. Only use lint free paper or cloth to protect and clean around the valve body or inside any part of the transmission. Make sure that the oil feed holes are pointing toward the valve body area. Each list for selective shims, snap rings or steel plate is listed in this section of the catalog. Performance automatic c4 comp trans is a durable racing transmission that can also be driven on the street. Mechatronic and valve body are only available as complete servicemechatronic. Rotate the reaction annulus during the installation of the 4c retainerbulkhead to ease installation. Fwd 4 speed toyota u340 u341 forward clutch case park pawl linkage b1 2nd brake accumulator c3 reverse c2 direct accumulator valve body rear cover forward accumulator overdrive accumulator a d c e b forward hub internal wiring harness counter drive gear tcc sl solenoid ss2 solenoid st solenoid slt solenoid ss1 solenoid filter 85. They usually contain the computers for the transmission, and theyre under a heavier strain and load than ever before.
Valve bodies for automatic transmission summit racing. After this happens, you are able to shift the gear to whatever one you need for your particular driving situation. Fifth gear is designed as an overdrive with a highspeed ratio. Transmission repair manuals zf 6hp19 09l instructions. Aisinwarner aw5550sn valve body replacement in 2002 v70xc overview. Organized by manufacturer, each transmission comes with a new power grid chart that helps identify the correct hard part and its position in the transmission. For hard launches, quick shifts, and full manual control at the drag strip or race track, youll want to upgrade to a high performance valve body. The manual valve connects to the gear shift handle, and is used to close or open transmission valve passageways according to the current position of the gear shift. The gearbox is a conventional multistep automatic with hydrodynamic torque converter and. Caution make sure that the manual control lever and the inhibitor switch are removed.
May, 20 4r44e shift kit installation, on this video we will see the upgrades that can be done to this valve body with, or without the purchase of a shift kit. How does the torque converter in the automatic transmission work. Aisinwarner aw5550sn valve body replacement in 2002 v70. Starting at the beginning of production for the 1998 model year for lexus and 2000 for toyota, a new transaxle, designated as the, u140u240 series was introduced into service. Toyotalexus u140ef, u240e atsg automatic transmission. Atsg produces the overhaul books that transmission mechanics. Clutch drive solenoid repair at dsg 7 0am dq200 ressure accumulator cylinder repair dsg 7 0am dq200. The automatic gearbox this translates all hydraulic and electrical control commands into mechanical functions or gears. Automatic transmission valve body functions and failure symptoms. Valve body the brain of the automatic transmission contains a maze of channels and passages that direct hydraulic fluid to the numerous valves these valves activate the appropriate clutch pack or band servo to smoothly shift to the appropriate gear for each driving situation. At these flags per say, the test or inspection, frequently points to the valve body, as it accounts for the majority of the transmissions issues. An automatic transmission system has a valve body, which serves as the main control center. The mazelike passages of the valve body form the brains of your automatic transmission, directing hydraulic fluid to the appropriate clutch packs and servos to shift gears.
Introduction the 6speed automatic gearbox 09g is used in the audi a3 04 and audi tt. Notice the locations of the checkballs and relief valve, and pay attention to when to insert the main pressure regulator retainer pin. Automatic equipment allowed to regulate efficiency of greasing and cooling that in turn optimized transmission work. It allows the flow of hydraulic fluid to different valves to direct the right clutch and switch the gear appropriately according to the driving situation.
Valve body wear is common in all the gm 6 speed applications. Shift solenoids are located on the valve body and are used to apply upshifts and downshifts, as well as torque converter clutch lockup. Gm 6t404550 gf6 gen i concerns and repair techniques. Featuring 22,000 new parts and 35 new transmission families 74 new transmission applications are listed in this comprehensive catalog. Nissan pathfinder xterra transmission valve body removal and repair if you folks have ever watched one of my videos and its helped you, please email lanny owner. The manual valve connects to the gear shift handle, and is used to close or open transmission valve passageways according to the current position of. This model of automatic transmission is widely represented in the range of vehicles of the vag concern with an engine capacity of up to 2 liters. Mazford 5r55e atsg automatic transmission service group pdf free online. The body directs pressurized transmission fluid to a network of valves that put together appropriate clutch packs for smooth gear functioning. Automatic transmission nag1 service information description the nag1 automatic transmission is an electronically controlled 5speed transmission with a lockup clutch in the torque converter. Valve bodies are the working brain of todays automatic transmission. Read all instructions first to familiarize yourself with the parts and procedures. The neutral safety switch is mounted on the valve body manual shaft.
The 09g09m 6speed automatic transmission is installed in the following. The valve body in your transmission or related valve body components may be failing if youre experiencing delayed shifts, hard shifts, improper shift timing, shift flares, or noise. Nov 04, 2019 transmission valve body replacement cost. This spare parts catalog includes only transmission specification numbers for north american applications. The valve body has numerous passages and channels within the valve body. Nissan pathfinder xterra transmission valve body removal and repair if you folks have ever watched one of my videos and its helped you, please email lanny owner of accurate engines and let. Volkswagen engineers developed the transmission in conjunction with aisin and adapted it to volkswagen vehicles. The switch s,gnals shift linkage and manual valve position to the tcu through an inter. The valve body is the control center of the automatic transmission. Accum 347 428 423 425 a d c e b case parts drive 761 gear. Vw 01m transmission solenoid valve 4 n91 open circuit valve body repair vw 01m transmission solenoid 4 n91 open circuit valve body repair on this video we see a very common issue with. The 555051sn is installed into a multitude of vehicles and there will be variations to the unit and this data.
This is an update to the previously published procedure. General the valve body unit consists of the upper no. Apr 15, 2014 how does the torque converter in the automatic transmission work. Zf 5hp19 automatic transmission spare parts catalog table of contents 5hp19 transmission overview north american applications. Feb 07, 2018 as the name suggests, automatic transmission valve body is a major component of a vehicles automatic transmission system. View and download toyota a442f repair manual online. Automatic transmission service group atsg techtran rebuild manual. The ratios for the gear stages are obtained by 3 planetary gear sets. Our example was in the middle of the 5 steps figure 12. The 5r55e transmission produced by ford motor company, was introduced in the 1997 model year, and is the first 5 speed automatic found in domestic vehicles. Zf 5hp19 automatic transmission spare parts catalog. Zf 5hp19 automatic transmission spare parts catalog how to use this catalog table of contents each transmission group of this catalog is listed in the table of contents.
Part 3 you noticing, so pay close attention to where they belong. A similar valve body will bolt to a gm, volvo, saturn, nissan, saab, opel or renault. The pilot option has been put in production in the 2008 year and after short running in on bmw of the 7th zf8hp series began to be installed widely on cars with the maximum torque of 450 nanometers for petrol motors 8hp45 and up to 700 nanometers at 8hp70 for bmw diesel engines. Automatic gearbox control unit selector lever automatic gearbox valve body cover and the valve body beneath. View and download volkswagen 01m user manual online. The body directs pressurized transmission fluid to a network of valves that put together appropriate clutch packs for. However, it is one of the more expensive car part replacements that you will need to make. Valves controlled by the transmission valve body serve a variety of functions. Automatic transmission basics linnbenton community. Zf 6hp26 6hp28 automatic transmission spare parts catalog. Information about rebuild transmission zf8hp45 zf8hp70 zf8hp55a zf8hp90 845re automatic transmission of the longitudinal arrangement of zf 8hp45 8hp70 is launched as an advanced version of the previous 6hp21 and 6hp32 versions. This valve body is responsible for directing hydraulic fluid or transmission fluid to various valves so the appropriate clutch can be activated. Transmission repair manuals zf8hp45 zf8hp70 zf8hp55a. Zf 5hp19fla automatic transmission spare parts catalog.
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