How Car Transmission Lines Work

By Mister Transmission

Automatic transmissions generate a lot of heat. Transmission cooling lines keep things cool but they’re susceptible to being damaged

Car transmission lines connect your vehicle’s transmission to the vehicle’s radiator. Also known as transmission cooling lines, they are typically made of metal or composite aluminium and rubber hoses because they can handle the flow of hot transmission fluid.

Your car’s transmission lines are essential to preventing the transmission from overheating by carrying hot fluid away from the transmission until it is cooled and subsequently pumped back into the transmission.

If your car’s transmission lines are damaged, they will leak, and that can lead to serious trouble if you don’t notice your car bleeding transmission fluid. But here’s the problem: most automotive transmission lines are particularly susceptible to damage or rupture owing to the fact they are exposed on the underside of your car to the weather, and to debris on the road.

How to Spot Car Transmission Line Problems
If your car’s transmission cooling lines are leaking, it’s not difficult to detect. The most obvious sign is if there’s red fluid pooling beneath your engine where you park your vehicle.

Other noteworthy warning signs that your transmission cooling lines may be leaking include:

  • You’re having trouble shifting into gear; the gears are slipping, or are shifting slowly
  • Your transmission is overheating, or you notice an unpleasant burning smell
  • You hear grinding or whining noises when gears change or the vehicle rattles or jerks when you drive
  • The “service engine soon” indicator on your dashboard lights up

If you suspect your vehicle’s transmission cooling lines are leaking, or if you have questions about preventative transmission maintenance, contact us. Take advantage of our free 21-point multi-check inspection and avoid the cost and aggravation associated with a failing transmission.

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Chad Binnie
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Date: October 9, 2021
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Awesome customer service. A year...
Jeffrey Dominic
Awesome customer service. A year after my transmission repair I felt an adjustment was required to my transmission and they performed it free of charge standing behind the quality of their work.
Date: October 8, 2021
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Excellent service, my car was...
Phyllis Roy
Excellent service, my car was fixed in no time & they did a professional job...I recommend it!
Date: October 7, 2021
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I have known Eric and...
Jared Shura
I have known Eric and his crew for some time now. As a mechanic, I often come across difficult transmission related issues that get sent to him and resolved quickly and fairly priced. I just had Eric rebuild the transmission in my truck and I couldn’t believe how fairly priced the work was and the transmission shifts perfect now. Wouldn’t recommend anyone else but Eric at Mr.Transmission.
Date: October 7, 2021
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Mister Transmission staff were very...
R R
Mister Transmission staff were very professional and friendly. Answered all our questions and kept us upto date with the process.Jenna is wonderful she is friendly and professional and was able to respond in timely matter . Thank you Jenna your are great employee. I highly recommend them for any one in moncton and surrounding areas. They did an excellent work thank you so much.Ruby
Date: October 7, 2021
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Jeff was very kind and...
Julie Restas
Jeff was very kind and helped me a great deal. Would recommend to anyone. Diagnosis was not transmission recommended to go for other problem, did not charge me Unbelievable service and trustworthy.
Date: October 7, 2021
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It is not too often...
Jim Cerant
It is not too often when you find a local business that has over 50 5 star ratings, and when you do, you know that you are at the right place to get what you need, done. that was my experience with Mr. Transmission in Owen Sound . My first point of Contact was Warren who was great to speak with and we arranged a time to bring the car in. Later that week after I dropped off the car I had a chance to speak with the owner Chris. Again. another great guy to speak with and knew I was at the right place. They diagnosed the problem - Told me what it needed- gave me the price - fixed the problem- and in no time at all I was on my way. That is what I call great customer service. if you want to RYDNSTYL you need to visit Mr. Transmission in Owen Sound. Jim
Date: October 5, 2021
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Got my trans fixed here....
Paul Ferrante
Got my trans fixed here. It still had issues brought it back and they honored the warranty with no hassle at all .. very pleasant management.. very easy to talk to . Great job . Truck is running perfect again . I recommend these guys..
Date: October 4, 2021
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Great customer service
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Great customer service
Date: October 3, 2021
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Honest & professional auto repairHighly...
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