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Repair cvt VT25-E/VT20-E, Saturn, Opel.

http://www.avtoakpp-cvt.com Demonstrated inside the repair of variator VT25-E/VT20-E (continuous variable transmission: CVT), mounted on car Saturn Vue 2,2l 2002-2005 and Ion Quad Coupe 2,2l 2003-2004. Also installed on the car Opel Signum 2004-2007 and the Opel Vectra C 2004-2007. Ремонт вариатора VT25-E/VT20-E. Saturn Vue, OPEL.


 


More Videos...


How A CVT Works by TEAM Industries.mov
TEAM has received a lot of requests to explain how a CVT works, here is a good video showing the basics of CVT. In the future we will be posting more videos explaining some of our innovations to the basic design. Take a look and let us know what you think.





XTRONIC CVT de NISSAN
Funcionamiento de la transmisión CVT Xtronic de Nissan usada en conjunto con motores de 2.5 y 3.0 Litros. Visita http://www.e-auto.com.mx encontrarás más información sobre el funcionamiento de los autos.





Transmissions: Pros and Cons of Rebuilding Continuously Variable Transmissions
Supported by Transtar and TransTec and produced by Motor Age in partnership with ATSG, this training program explores the various CVT configurations, their operation, parts and tool availability to help you determine which repairs can and cannot be made in your shop. Best of all, this program will provide basic tips for the average transmission specialist to determine if the shop can rebuild that CVT profitably or if the transmission will need to be replaced. Click this link to subscribe to Motor Age! http://bit.ly/MA_YT_freesub





CVT Transmission Belt to Pulley Clamping
CVT Belt to Pulley Clamping Get the book here: https://www.createspace.com/4283730 https://www.createspace.com/371853 The key to understanding how a CVT works, is by reviewing how the chain and cone pulley react with each other. All CVTs have one weak spot, the contact point. This is where there is a tendency for the whole transmission to slip, grind and sustain damage. Incredibly enough, this is not where CVTs fail the most, but more on that later. The CVT belt is composed of two groups of metal rings, each of 7 to 12 rings, and a few hundred special metal links. It is these links the ones with direct contact with the cone pulleys, or variators as they're called by the manufacturer. For good clamping force, the CVT needs a specific transmission fluid. To neglect this fact is to ask for trouble, as the CVT will get damaged due to slipping and grinding between the belt links and the cones. There's also another aspect of the CVT clamping force that needs to be reviewed, which is the hydraulic pressure exerted on the cone pulleys or variator. The CVT oil or hydraulic pump can generate as much as 1000 PSI of pressure. but not everything in the CVT needs this much pressure. Because 800 or more PSI is more than most circuits need, line pressure is regulated down to three lower levels, 220 PSI maximum for the clutches and variator, 140 PSI for the TCC, or torque converter, and 80 PSI for the lube and cooler circuits. The CVT also has a few ... Get the whole story right here in this video... Enjoy... *************************************************************************** *********** Amazon Printed-Books & Kindle: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks&fiel d-keywords=mandy+concepcion Google Play Android APPs: https://play.google.com/store/search?q=mandy+concepcion&c=apps Amazon Video DVDs: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv&field -keywords=mandy+concepcion





CVT Transmission Pressure Tests
CVT Transmission Pressure Tests Get the book here: https://www.createspace.com/4283730 https://www.createspace.com/371853 The procedures presented here are specific to the Jatco Nissan Sentra CVT transmission. However, these procedures can be effected on any CVT, with the difference being the pressure ports change. Any service manual, will show you the proper ports for the CVT you're working on. Your first tool of choice, is a high pressure gauge, or high pressure electronic transducer. You can also use an oscilloscope, or even better, a graphing multi meter to record the pressure waveforms. Finally, we'll also present a little known device, but with great usefulness. It is called, a duty cycle controller circuit. These duty cycle circuits are now sold at many electronic houses, and can be used to control any electrical solenoid. Most, but not all of them, have variable voltage settings. In our case, we'll use 12 volts. Assuming you'll be using a pressure gauge, use the diagrams seen here, to connect the gauge. Start the engine, and raise the vehicle up in the air, using a shop lift. If not using a lift, do not go under the car with the engine on. Remember that each time we change to a different pressure port, we have to turn the engine off, since the ports are ... Get the whole story right here in this video... Enjoy... *************************************************************************** *********** Amazon Printed-Books & Kindle: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks&fiel d-keywords=mandy+concepcion Google Play Android APPs: https://play.google.com/store/search?q=mandy+concepcion&c=apps Amazon Video DVDs: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv&field -keywords=mandy+concepcion





Transmission Fluid Replacement 2002--2007 Saturn Vue
http://www.2carpros.com/articles/how-to-service-an-automatic-transmission If you have any questions please visit http://www.2carpros.com/questions/new where we will answer any questions you might have. Please use all safety precautions.





CVT Transmission in Action!
Here is a video of my CVT transmission in action. It's a brief explanation of how the CVT transmission works and a 0 to 60 test to show it's responsiveness.





CVT Transmission Valve Body
CVT Transmission Valve Body Get the book here: https://www.createspace.com/4283730 https://www.createspace.com/371853 The CVT transmission is one of the most computerized power transffer components ever made. Its very existence, is due to the great advances in electronics of the past 20 years. It is truly a work of technological art. The heart of the CVT, electro mechanical control at the transmission is the valve body. Components that make up the CVT valve body can include, the TCC lockup and pulse width modulated solenoid, secondary variator pressure solenoid, line pressure solenoid, primary and secondary variator pressure sensors, the stepper motor, the ratio control valve found on many types of CVTs, and the temperature sensor. The CVT valve body, has three Pulse-Width Modulated solenoids. These are the Line Pressure, Secondary Variator Pressure, and Torque Converter Clutch Engagement solenoids. Besides the PWM solenoids, some CVTs have a single ... Get the whole story right here in this video... Enjoy... *************************************************************************** *********** Amazon Printed-Books & Kindle: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks&fiel d-keywords=mandy+concepcion Google Play Android APPs: https://play.google.com/store/search?q=mandy+concepcion&c=apps Amazon Video DVDs: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv&field -keywords=mandy+concepcion





CVT Transmission Stepper Motor
CVT Stepper Motor Get the book here: https://www.createspace.com/4283730 https://www.createspace.com/371853 The CVT stepper motor, is the largest source of trouble of modern CVTs, and the most replaced component in them. Modern CVTs use various solenoid valves to accomplish the task of varying the variator or pulley width. Some CVTs use what's called, a Stepper or Step Motor controller. The CVT valve body also consist of pressure sensors, variator pressure solenoids, torque converter clutch solenoids, and a unique stepper motor for controlling the pressure split between the primary and secondary variators. These CVTs have three, PWM or pulse-width modulated controlled solenoids, which are the Secondary Variator Pressure, the Line Pressure, and Torque Converter Clutch. They also have a single old fashioned, on off solenoid for the TCC lockup. The Secondary Variator Pressure Control solenoid, controls the position of the ... Get the whole story right here in this video... Enjoy... *************************************************************************** *********** Amazon Printed-Books & Kindle: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks&fiel d-keywords=mandy+concepcion Google Play Android APPs: https://play.google.com/store/search?q=mandy+concepcion&c=apps Amazon Video DVDs: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv&field -keywords=mandy+concepcion





CVT Transmission Hydraulic Control
CVT Hydraulic Control Get the book here: https://www.createspace.com/4283730 https://www.createspace.com/371853 A basic way that the TCM controls the two cone shaped pulleys, or variators as they're called, of the CVT transmission is by using solenoid valves, similar to the older shift solenoid. However, these solenoid valves work a little different. Almost always, these linear mechanical valves are located on the valve body, with the solenoid attached to the top. There are various schemes being used to do the hydraulic control, but the principle is the same, to direct hydraulic fluid to control the variator cone gap width. The CVT valve body consists of pressure sensors, variator pressure solenoids, torque converter clutch solenoids, and on some CVT transmissions, a unique stepper motor, that controls the pressure differential between the primary and secondary pulley system. When the TCM is satisfied with the gear ratio, and the position of the pulleys, the solenoids either vent or hold the hydraulic pressure. Line pressure from the pump, is fed into the secondary or primary pulley, to establish the necessary clamping force on the belt. At some instances, the TCM may want a higher ratio to reduce engine RPM, Then the primary and secondary solenoids act on the linear mechanical valves accordingly. This allows line pressure to enter ... Get the whole story right here in this video... Enjoy... *************************************************************************** *********** Amazon Printed-Books & Kindle: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dstripbooks&fiel d-keywords=mandy+concepcion Google Play Android APPs: https://play.google.com/store/search?q=mandy+concepcion&c=apps Amazon Video DVDs: http://www.amazon.com/s/ref=nb_sb_noss_1?url=search-alias%3Dmovies-tv&field -keywords=mandy+concepcion





Kathys Saturn Vue transmission repair
Saturn Vue CVT transmission removed from vehicle, and disassembled to show the customer the damage inside the transmission. The worn shaft is only available as part of the very expensive belt and drum assembly. That part plus the rest of the damage in the transmission make this transmission too expensive to rebuild. This vehicle needs a complete transmission replacement.





Saturn Training Video - Automatic Transaxle Repair
Saturn Training Video - Automatic Transaxle Repair





Nissan CVT Transmission Types
Find out about the Nissan Hyper CVt transmission technologies governed by 2 pulleys and a steel belt in between. As a result of the CVT transmission, gear ratio's are continually varied by changing the width of the pulleys which result in seamless gear changes form low to high speeds. As result of no drive torque loss or shift shock between gears, improved fuel economy and smooth powerful driving performance is experienced





CVT Steel Belt
CVT Steel Belt





Transmisión CVT 1-2 en e-auto.com.mx
Explicación del funcionamiento de la transmisión CVT usada por diferentes vehículos Nissan, Mitsubishi, Subaru y Honda entre otros. Visita www.e-auto.com.mx para vero otros vídeos y más información para los amantes de la mecánica automotriz.




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