Transmission flush cost

Tiny
CARRIEGRINDE
  • MEMBER
  • 1999 MERCURY SABLE
  • 1.6L
  • 4 CYL
  • 200,000 MILES
Just want to know about what it would cost to go get a transmission flush? Trying to help my neighbor out and you guys were so great helping me with my fuel pump in my Jeep.
Sunday, March 1st, 2020 AT 4:16 PM

6 Replies

Tiny
SCGRANTURISMO
  • MECHANIC
  • 4,897 POSTS
Hello,

My estimate would be around $40.00 to $50.00. In the diagrams down below I have included the instructions for the draining and filling of the transmission fluid in your vehicle and the Original Equipment Manufacturer[OEM] part number for the transmission filter. Please get back to us with how everything turns out.

Thanks,
Alex
2CarPros
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Sunday, March 1st, 2020 AT 4:54 PM
Tiny
KASEKENNY
  • MECHANIC
  • 18,907 POSTS
I would just call around your area and get a number of prices. A flush like this is normally a menu item which means they offer discounted prices to remain competitive and attract customers.

Most all shops that I have worked the menu price was between $185.00 to $235.00. Clearly it will vary on the amount of fluid needed but I would suspect this cost should be around the lower end. Clearly your area may be very different because this is set by the market that you are in.

Keep in mind this is a complete transmission flush and not just a drain and fill. That would be under $100.00 for just a drain and fill.

Hopefully this helps.
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Sunday, March 1st, 2020 AT 4:55 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Good evening,

Never do a flush. I would just change the fluid and the filter. The flushing agent damages the clutches and will eventually fail the transmission.

I would think about $119.00 to $149.00 for the service depending on your area.

Roy
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Sunday, March 1st, 2020 AT 5:12 PM
Tiny
CARADIODOC
  • MECHANIC
  • 33,737 POSTS
You'd have to ask at a few shops as they all charge different amounts. We don't get involved with costs here.

The jury is still out on the value of transmission flushes. About half of us don't believe they offer any value and half of us believe they're a great value. A simple fluid and filter replacement replaces about half of the fluid. That's enough to replenish any additives in the fluid that may have worn out, and we get to check for metal filings and other debris in the fluid. This service leaves half of the old fluid still in there.

Flushes replace all of the old fluid after running a detergent through the system for a few minutes. Some of us believe that detergent can tear some of the friction material off the clutch plates on those with very high mileage, leading to an earlier transmission failure. For this reason, I don't recommend a flush as a part of regular maintenance. Do the fluid and filter service instead at the recommended intervals.

My opinion is to do a flush when it is necessary to remove severe contamination. The common example is when the transmission fluid cooler built into the radiator springs a leak. That allows antifreeze and transmission fluid to mix. Transmission fluid in the cooling system will rot heater and radiator hoses from the inside and lead to an eventual rupture. Antifreeze in the transmission is much worse. Antifreeze will melt the soft outer layer of metal on the bushings. That leads to vibrations and eventual internal fluid leakage between parts that have to seal against each other. That will lead to the need for a total transmission rebuild. Preventing that damage is a valid reason to have the transmission flushed right away when that contamination is found.

A lot of people have flushes done in an attempt to solve a problem. The only problem that can solve is a shudder caused by using the wrong type of transmission fluid, particularly on newer car models from around the mid '90s on. A fluid and filter change will also solve that problem. Beyond that, most transmission problems are caused by something mechanical breaking internally, or an electrical problem. Flushing the fluid won't fix either of those things.

Here's a link to an article that might give you more ideas:

https://www.2carpros.com/articles/how-to-service-an-automatic-transmission
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Sunday, March 1st, 2020 AT 5:16 PM
Tiny
CARRIEGRINDE
  • MEMBER
  • 2 POSTS
Thank you all so much. I knew I would get the answers I needed from you guys. Always so helpful, again thank you.
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Sunday, March 1st, 2020 AT 8:16 PM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
We are always glad to help.

Roy
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Monday, March 2nd, 2020 AT 4:28 AM

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