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Transmission fluid is leaking Inspection Service

Transmission fluid lubricates each component of your transmission. In a vehicle with an automatic transmission, the fluid acts as a coolant, a power transmitter, and lubricant. Sometimes you can tell that your car is leaking transmission fluid because it will leave a trail and puddle of reddish fluid underneath the vehicle. Or, sometimes your antifreeze/coolant will appear to be a strawberry milkshake.

Common reasons for this to happen:

  • Punctured or loose fluid pan: The transmission pan is at the bottom of your transmission, and it holds all the transmission fluid. Because the underside of the pan is exposed, it can become damaged and punctured by road debris. The pan can also be loosely secured, which creates cracks and crevices from which the fluid can leak. Depending on the transmission, these pans can be on the side or back of the transmission.

  • Loose drain plug: At the bottom of the transmission pan is a plug for when the fluid needs to be drained out of the system. If this plug is not properly secured, the fluid will excrete out of it. This plug may also be a fill plug. Newer transmissions take a special tool to fill these types of transmissions.

  • Damaged pan gasket: The pan gasket is a mechanical seal between the transmission oil pan and the transmission itself. A damaged gasket is a common problem and can be a straightforward fix.

  • Cracked fluid lines: Transmission fluid travels from the transmission to a cooler via fluid lines. Because these lines and hoses are constantly exposed to extremely high temperatures, they can grow rigid over time, which makes them prone to cracking. Debris that flies up from under the car can also cut these fluid lines.

  • Bad seals: There are a lot of components within the transmission and each has a seal to keep the transmission fluid from leaking out. These seals can become rigid or damaged and stop doing their job. The most common seals credited with transmission leaks are the seal around the dipstick (where you check your transmission fluid levels), the speedometer o-ring (which attaches the speedometer to the transmission), the seals around the input and output shafts of the transmission, and the front pump seal.

  • Damaged torque converter: Cars with automatic transmissions have a torque converter instead of a manual clutch. It is a hydraulic pump that builds pressure in the transmission, and is responsible for sending fluid throughout the transmission system. The converter can crack or have faulty needle bearings, both of which will result in leaks.

  • Damaged transmission oil cooler: Your transmission fluid flows through a cooler, which is sometimes located in the radiator, while others are external. This keeps the fluid temperature down so it does not damage the internal parts. If the cooler is inside the radiator, then you could leak fluid into the antifreeze, creating a fluid that looks like a strawberry milkshake. Sometimes the coolant will mix directly inside the transmission.

What to expect:

A top-rated mobile mechanic will come to your home or office to determine the source and cause of the transmission fluid leak, and will then provide a detailed inspection report that includes the scope and cost of the necessary repairs.

How it's done:

The mechanic will inspect your car based on where the leak is occurring. Sometimes the dripping of the transmission fluid can tell a mechanic exactly where the leak is. Other times, the fluid will follow a path of least resistance and travel to a different area. If it is a loose part, the mechanic will tighten it, and if it is a cracked or damaged part, the mechanic will have to replace it and will provide an estimate for the work.

How important is this service?

Having your transmission leak taken care of is very important. Without adequate fluid levels, the transmission can become greatly damaged, and the transmission, like the engine, can sometimes be very labor-intensive to repair. Having the leak addressed in a timely manner can greatly prevent internal damages to the transmission that could lead to higher costs later on. Book a mechanic to perform a thorough inspection as soon as possible.

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Recent Transmission fluid is leaking Inspection reviews

Excellent Rating


YourMechanic Transmission fluid is leaking Inspection Service

Average Rating

4.8/5

Number of Reviews

1,348

Rating Summary
1,237
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1,237
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10
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41

John

26 years of experience
620 reviews
John
26 years of experience
Chevrolet Silverado 1500 - Oil/Fluid Leak - Houston, Texas
John was punctual, very professional and knowledgeable regarding the issues with my truck. Great experience. Thank you very much!
Mazda CX-7 - Oil/Fluid Leak - Houston, Texas
Friendly service. John was very knowledgeable and diagnosed the problem with my car without adding lots of extras to pad the bill. Straightforward and showed me where the problem was. Previously, I was told by another mechanic the repair would be more than double what John estimated. Extremely happy with the service I received and will be using them for any future car issues.

Jason

14 years of experience
215 reviews
Jason
14 years of experience
Toyota Highlander - Oil/Fluid Leak - Jamaica, New York
Jason was very professional and knowledgeable with the repair that I needed done. He diagnosed the problem immediately and gave me price for work to be completed. I found the price fair and reasonable and I have confidence that the repair will be made with no issues. Thanks again Jason i would recommend Jason to anyone that needs an honest and knowledgeable mechanic.
Saab 9-5 - Oil/Fluid Leak - Brooklyn, New York
Jason arrived at our arranged time. Very courteous and professional. Asked the right questions made very insightful suggestions and was very thorough with his inspection. Would highly recommend him to anyone

Joseph

19 years of experience
502 reviews
Joseph
19 years of experience
Porsche Cayenne - Oil/Fluid Leak - West Jordan, Utah
Joseph is an awesome mechanic! He is very friendly and willing to take the time to explain how everything works.
Toyota Sienna - Oil/Fluid Leak - Sandy, Utah
Joseph was a professional and got the job done quickly. He clearly explained the situation with the vehicle and let us know what future work it needs without being pushy.

Stacy

23 years of experience
215 reviews
Stacy
23 years of experience
Dodge Durango - Oil/Fluid Leak - Atlanta, Georgia
Stacy was very attentive he listened to my concerns and also was very informative about it. Also he was on TIME and this my first time ever using this site.

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