Transmission Fluid Diagnosis

By Mister Transmission

If you’ve recently started experiencing a transmission problem and wanted to check your transmission fluid level and condition, then this article could help you.

 

Transmission fluid is typically a clear reddish pink colour when new, and over the course of its life that colour can change quite a bit, meaning different things are occurring.

The first step is to make sure you’re actually checking your transmission fluid properly in order to get an accurate reading. When checking your vehicle’s transmission fluid, first consult your owner’s manual and follow their procedure for fluid level checking. Many different manufacturers require differing methods (ie – engine running, in park, etc). It’s best to use a white paper towel when checking and do at least 2-3 dips of the stick (wiping it down between dips) to ensure an accurate reading.

 
 

  • Good level and good condition: If your transmission fluid is to the full mark and a clean reddish pink colour, then the fluid is in good condition. You could still have a problem with your transmission, but it has not yet affected the fluid condition.
  • Low level and good condition: If your transmission fluid is low, there is a leak. Unlike your engine which can “consume” oil due to normal use, a transmission is a sealed unit. Have your transmission inspected as soon as possible to avoid internal damage.
  • Good level but brown colour: If your transmission fluid has a brownish tinge and a slightly burnt smell to it, then there is a problem. It could be just that the fluid is very old and no longer protecting the transmission’s internal components properly, or there are worn components causing excess friction and heat. Have your transmission inspected as soon as possible to avoid internal damage.
  • Good level but black colour: If your transmission fluid has a black colour and a burnt smell to it, there is an internal problem. This would be caused by excessive heat due to internal friction. Have your transmission inspected as soon as possible to avoid further damage.
  • High level and pink foamy appearance: If your transmission fluid is high and has a “strawberry milkshake” look to it, then there is a problem. This is usually caused by a failure in your radiator. The transmission fluid is cooled by a cooler built into your radiator. Sometimes when the radiator fails, engine coolant is allowed to cross-over into the transmission cooling tubes and contaminates the transmission fluid. Have your transmission inspected as soon as possible to avoid further damage.

It’s important to remember that due to the complexity of today’s computerized transmissions, that just because the transmission appears to be malfunctioning doesn’t mean the actual problem is in the transmission. Your vehicle’s computer gets signals from up to 32 separate sensors throughout the vehicle’s other systems and any one of these could be sending inaccurate or no information.

If you’re experiencing any sort of transmission problem, please contact your local Mister Transmission and book an appointment for our FREE 21-Point Multi-Check Inspection.

Visit your nearest Mister Transmission location today!

10827km away
  • 15903 Stony Plain Rd. NW
  • Edmonton, AB
  • T5P 3Z7
  • 587-786-6465

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Customer Reviews
Great work and good prices!...
Tyler Cayen
Great work and good prices! Quick oil changes too! Been going here for years
Date: May 14, 2024
Website: Google
Got the job done quick...
Ethan Everaert
Got the job done quick and easy. Recommend 10/10
Date: May 13, 2024
Website: Google
They replaced the Transmission lines...
Michael Parrott
They replaced the Transmission lines and Pan on an old 2010 Kia, no hastle communication and provided an accurate quote upfront. Friendly counter service, I would highly recommend this place for transmission service.
Date: May 13, 2024
Website: Google
Great service, trustworthy and good...
L W
Great service, trustworthy and good prices. My car runs like new now that the manual transmission is fixed. Thank you!
Date: May 13, 2024
Website: Google
Great people -- great service!
Rob Dagenais
Great people -- great service!
Date: May 13, 2024
Website: Google
Knowledgeable, professional and good service.
Jacobo Pineda
Knowledgeable, professional and good service.
Date: May 12, 2024
Website: Google
Good people got my transmission...
Isidro Thiessen
Good people got my transmission repaired quickly. It was expensive tho.
Date: May 12, 2024
Website: Google
I have a 2015 Mazda...
Jaimin Patel
I have a 2015 Mazda 3 with automatic transmission. It is having jerking issue at 2nd gear when the car is cold. One of my known mechanic suggested Ken for transmission issues. I went there and parked my car overnight to make sure it is cold. In morning, Ken drove it and figure out instantly it was a computer mechanism trying to save fuel by engaging clutch and gear differently, which is normal and I should not spend any money on it. I liked Ken's experience and knowledge and his guidance which saved me going broke.
Date: May 11, 2024
Website: Google
I had my 2007 Toyota...
Theresa F
I had my 2007 Toyota Rav 4 transmission rebuilt almost 2 years ago. Decided to bring it back for a transmission fluid change and for another check before the warranty expires. What I didn’t tell them is that there’s already a leak (my neighbour told me). I’m giving this business a 5 star review because they are honest. They told me it had a leak and they had to replace the seal, and it was still under warranty. Wow! Thank you!!!
Date: May 11, 2024
Website: Google
Excellent experience. Jason is the...
Phil Wall
Excellent experience. Jason is the frontman. Super professional, friendly, and knowledgeable. Great service.
Date: May 10, 2024
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