Transmission à variation continue (CVT) : la prochaine génération

Peut-être avez-vous entendu dire que des systèmes de transmission à variation continue sont utilisés dans les plus récents véhicules à transmission automatique.

Le concept de la transmission à variation continue existe en fait depuis plus de 500 ans, mais on y accorde beaucoup plus d’attention récemment à cause de l’effort intense de sensibilisation aux solutions plus économes en combustibles pour les véhicules.

Une transmission à variation continue est un système de transmission automatique qui permet une expérience de conduite plus douce grâce à l’optimisation du processus de changement de vitesse. Ce type de transmission est conçu pour un passage des vitesses sans heurts et pour en réduire considérablement l’effet de secousse.

La transmission à variation continue offre également une meilleure économie d’essence et une meilleure utilisation de la puissance en permettant au moteur de tourner à régime optimal, peu importe la vitesse du véhicule.

Le terme variation continue signifie que le régime du moteur varie continuellement pour éliminer la sensation de transition pendant le passage d’une vitesse à l’autre.

Différents types de transmissions à variation continue

Plusieurs types de transmission à variation continue existent, et la plupart d’entre eux sont désormais offerts par les différents constructeurs de véhicules automobiles.

Systèmes de poulies

La transmission à variation continue la plus répandue fait appel à un système de poulies pour passer les vitesses sans heurts.

Type toroïdal

Ce système de transmission utilise des disques tournants et des rouleaux motorisés pour accomplir le même travail que le système de poulies.

Hydrostatique

Une transmission à variation continue hydrostatique utilise des pompes pour régulariser le flux des liquides et générer un mouvement de rotation.

Pourquoi les transmissions à variation continue ne remplacent-elles pas tous les systèmes de transmission?

À cause de la manière dont la transmission à variation continue gère la puissance et le couple de serrage, elle offre une sensation bien différente de celle de la transmission manuelle.

De plus, ce type de transmission tourne au ralenti à n’importe quelle vitesse et, parce que les bruits produits par la régulation ressemblent souvent à ceux que produirait une transmission qui glisse ou qui claque, la clientèle a tendance à l’éviter.

Bien entendu, lorsque plus de gens l’adopteront et se familiariseront avec les avantages inhérents à l’utilisation d’une transmission à variation continue (meilleure économie d’essence, plus de puissance, accélération plus rapide au fil du temps), celle-ci prendra certainement la vedette pour devenir la transmission des véhicules de l’avenir.

Les techniciens de Monsieur Transmission sont bien informés sur l’entretien des systèmes de transmission manuelle, automatique traditionnelle et à variation continue pour la plupart des véhicules modernes. Visitez votre atelier local de Monsieur Transmission dès aujourd’hui pour vous informer sur les transmissions à variation continue et sur la façon dont elles transforment l’industrie automobile d’aujourd’hui.

Lisez également cet article portant sur les transmissions à variation continue.

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Mister Transmission Team

The Mister Transmission team consists of certified transmission specialists with decades of combined experience in diagnosing, repairing, and maintaining automatic and manual transmissions.

With over 60 years of service across Canada, our experts provide trusted, accurate, and up-to-date automotive advice to help drivers make informed decisions about their vehicles.

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Our car was brought in June 2026, they did a great job, they were very thorough and accurately identified the problem, and went the extra mile to get the job done right.
Date: June 21, 2026
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I was having car troubles...
Bella Lee
I was having car troubles and went in here 2 guys were working both very nice and helpful and gave me information on what to do as the problem required me to go back to the dealer ship overall even tho they couldn’t help me they gave me great advice and was able to pin point the issue
Date: June 21, 2026
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Mister Transmission / Parkland Transmission...
Neil Montgomery
Mister Transmission / Parkland Transmission has been the most trusted name in transmission repair in Red Deer for certainly at least the last 20 or 25 years. I just had a transmission completely rebuilt on a 2015 Chevy Silverado, and with all of the modifications and computer tuning that they did it is the finest shifting transmission I've ever had. I opted to have them rebuild this one as opposed to putting in a brand new transmission from GM, because from all their years of experience, they had a system where they (design out all the weak spots coming out in the new transmission these days), with upgraded parts and their computer tuning package. Many years ago before I came across what was then known as "Parkland Transmission', ... maybe 30 years ago or so, I had 2 other transmission shops work on other vehicles I had trans issues, one of them was Tierra Transmission (no longer in business?), I made it about 6 blocks before my truck wouldn't go anywhere with the transmission slipping and they wouldn't warranty it. I was young and I didn't know how to deal with people like that back then so they " took me to the cleaners" ... Times were different back then. The other transmission shop I won't name here, but I had paid them to swap out a failing transmission for one that I had in my garage at home that had been completely rebuilt earlier elsewhere, .... I paid them for the job but nice spidey senses were telling me something wasn't right, so I crawled under my vehicle after getting it to my acreage, I realized that there was mud steel cacked on the bell housing bolts that would have had to have been removed just swap the transmissions. The RCMP were involved in that one, and it was settled out of court. During this current interaction with the Mr Transmission / Parkland Transmission folks, I can truthfully say I never lost a wink of sleep wondering if they were actually doing the job that I had contracted them to do. I would recommend these folks to anyone. They are not the cheapest, but the fact of the matter is they are the best, and you can't expect them to be both the lowest cost and the highest quality as we know.
Date: June 21, 2026
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Fantastic service and 5 star...
Jeff Mulligan
Fantastic service and 5 star Management. I would highly recommend getting your car serviced here - they go above and beyond for the customer.
Date: June 20, 2026
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Best service by saman deep...
RAVDEEP SINGH
Best service by saman deep singh & good price must visit
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I was having issues with...
Chouchou
I was having issues with my CV transmission and brought my already old car in for service. Roma was so helpful and honest. After doing a thorough inspection of the car including test driving it, he advised me against spending more money on this car by trying to repair the transmission issues. He was so patient and clearly explained everything to me. I really appreciate his knowledge and honesty! I highly recommend Roma and this Mr. Transmission location…. would definitely bring my future cars there for service! Thank you Roma.
Date: June 19, 2026
Website: Google
Great service, good prices. They...
Nick Fleury
Great service, good prices. They helped me out a couple times and did a great job no issues. Definitely recommend!
Date: June 19, 2026
Website: Google
I was having issues with...
Chouchou
I was having issues with my CV transmission and brought my already old car in for service. Roma was so helpful and honest. After doing a thorough inspection of the car including test driving it, he advised me against spending more money on this car by trying to repair the transmission issues. He was so patient and clearly explained everything to me. I really appreciate his knowledge and honesty! I highly recommend Roma and this Mr. Transmission location…. would definitely bring my future cars there for service! Thank you Roma.
Date: June 19, 2026
Website: Google
I was having issues with...
Chouchou
I was having issues with my CV transmission and brought my already old car in for service. Roma was so helpful and honest. After doing a thorough inspection of the car including test driving it, he advised me against spending more money on this car by trying to repair the transmission issues. He was so patient and clearly explained everything to me. I really appreciate his knowledge and honesty! I highly recommend Roma and this Mr. Transmission location…. would definitely bring my future cars there for service! Thank you Roma.
Date: June 19, 2026
Website: Google
Customer service was great. Communication...
Judy Andersen
Customer service was great. Communication was valued. No surprises. A plus
Date: June 18, 2026
Website: Google
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