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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.


 


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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





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.





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





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.





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





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





Mini CVT transmission teardown Part 1
Mini cooper cvt transmission teardown Part 1 from europeantransmissions.com





CVT Transmission Basic Operation
CVT Transmission Basic Operation Get the book here: https://www.createspace.com/4283730 https://www.createspace.com/371853 The CVT or Continuously Variable Transmission is the newest, totally redesigned automatic transmission to see the day. Yes, this is a completely new type of automotive transmission. In this series, we will cover its basic and advanced operation, as well as lots of issues dealing with CVT reliability. At this time, most vehicle manufacturers are mass producing their own version of the CVT transmission, which within the next decade, will completely replace regular automatic transmissions, that use old wet hydraulic clutches. The CVT or Continuously Variable Transmission is a belt driven, infinitely variable ratio transmission. A CVT consists of an electronically controlled and oil pressure supported variator cones. The variator cones consists of a set of pulleys, primary or driver and secondary, or driven, and a high strength alloy steel push-belt. The engine power is transferred, from the primary driver pulley to the secondary driven pulley, by way of the CVT belt. The CVT belt is the heart of the CVT, and forms the main link between the vehicle's engine, and the wheels. By changing 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





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.





The Basic Parts of an Automatic Transmission (Part 1)
Visit me at: http://www.ericthecarguy.com/ This is part one of my front wheel drive (FWD) automatic transmission dissection video. In this video I cover the operation of clutches, bands, accumulators, clutch drums, the oil pump, the valve body, valves, check balls, seals and 'o' rings, as well as the construction and function of many of the internal hard parts of an automatic transmission. To be honest a rear wheel drive transmission isn't much different as many of the basic components are the same. I guess what I'm saying is that you could use the information in this video to have a basic understanding of a rear wheel drive automatic transmission also. It is just a basic overview of the main components. I don't get into theory and operation so much. Just the general operation and identification of the parts. I may make more videos on this topic based on the comments I get so feel free to ask questions and perhaps I'll answer them in a future video on this topic. There will also be a separate video on the parts and operation of the torque converter as well. When that is posted I'll post links below to that video. Part 2: https://www.youtube.com/watch?v=0Qf6O0oAs7U Torque converter dissection: http://www.youtube.com/watch?v=_U_d_tBn-HQ Discussion about this video: https://www.ericthecarguy.com/kunena/18-The-EricTheCarGuy-Video-Forum/43585 -the-basic-parts-of-an-automatic-transmission#50371 Stay dirty ETCG Due to factors beyond the control of EricTheCarGuy, it cannot guarantee against unauthorized modifications of this information, or improper use of this information.  EricTheCarGuy assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. EricTheCarGuy recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video.  Due to factors beyond the control of EricTheCarGuy, no information contained in this video shall create any express or implied warranty or guarantee of any particular result.  Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained in this video is the sole responsibility of the user and not EricTheCarGuy.





45RFE Transmission Teardown Inspection - Transmission Repair
Here is another teardown inspection video of a transmission. 45RFE Transmission of a Dodge Truck. Her we go into detail on the basic parts and function of this transmission.





Saturn vue transmission problems
For my saturn forum thread about 2002 saturn vue v6 awd problem





Fonctionement d'une Transmission CVT NISSAN vue en coupe CFRN de Rimouski
c'est le fonctionnement d'une transmission a courroie dite CVT mue par le pneumatique. c'est du matériel scolaire de l'école de mécanique de Rimouski.





Saturn Transmission Line Pressure Control Solenoid Replaceme
This video chronicles the process of replacing a Line Pressure Control Solenoid (inside the valve body) on a 1999 Saturn SL1 A/t w/80k Miles. The symptoms were that the transmission was slamming into gear when shifting. The solenoid was purchased from the dealership.





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





Which car is faster? Which Car is Faster?




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