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2016 Limited Brake Fluid Maintenance

According to the maintenance schedule in the owners manual, Change brake fluid at 45k miles or every 3 years - which ever comes first. In my case I have only 23k miles but the car was put into service exactly 4 years ago.


Has anyone had this done? Anyone had brake problems because it was not done? Should the fluid just be drained or flushed?


Thank you.
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According to the maintenance schedule in the owners manual, Change brake fluid at 45k miles or every 3 years - which ever comes first. In my case I have only 23k miles but the car was put into service exactly 4 years ago.


Has anyone had this done? Anyone had brake problems because it was not done? Should the fluid just be drained or flushed?


Thank you.


I have had the brake fluid changed on several of my GM cars, including my Corvette.

To do the job properly, the fluid must be flushed and the ABS unit shutter valves must be cycled using a GM Tech II device (to move the old fluid out of the unit and introduce new fluid).

If you have the change done at a dealership, have them tell you how they do it. If they donít mention the ABS unit operation - they are taking a shortcut and not changing the fluid properly.
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Thank you! Great information to have when I get it done. I think I will go there tomorrow just to understand what they will do. Depending on what they tell me I will know whether to continue with this dealership. If they are unwilling to give me a good explanation, it's time to change. I've noticed that in the past several years business has been so good at the local GM dealerships (Buick, GMC and Chevy) that they at times seem indifferent to keeping my business.
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Thank you! Great information to have when I get it done. I think I will go there tomorrow just to understand what they will do. Depending on what they tell me I will know whether to continue with this dealership. If they are unwilling to give me a good explanation, it's time to change. I've noticed that in the past several years business has been so good at the local GM dealerships (Buick, GMC and Chevy) that they at times seem indifferent to keeping my business.


Good observation - Iíve noticed the same thing.

Iíve been driving for 50 years now - and owning cars. During the past several years, the new vehicle dealerships that I go to have often provided poor service (warranty and customer-pay). They seem to be flush with business and have a ďwho caresĒ attitude about basic service (not favors).

I have stopped going to two dealers recently due to poor service.

When the economy takes its next dive, new car dealers will be scratching their heads wondering why their customers arenít returning.

Itís my belief that many owners of car dealerships donít realize how bad service drives away customers, who no longer buy new or used vehicles there and donít recommend the dealership to their friends and families.
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Originally Posted by 1999 White C5 Coupe View Post
Good observation - Iíve noticed the same thing.

Iíve been driving for 50 years now - and owning cars. During the past several years, the new vehicle dealerships that I go to have often provided poor service (warranty and customer-pay). They seem to be flush with business and have a ďwho caresĒ attitude about basic service (not favors).

I have stopped going to two dealers recently due to poor service.

When the economy takes its next dive, new car dealers will be scratching their heads wondering why their customers arenít returning.

Itís my belief that many owners of car dealerships donít realize how bad service drives away customers, who no longer buy new or used vehicles there and donít recommend the dealership to their friends and families.
You are so right. During the 2008-2009 meltdown the dealership I was using at that time for my Buick couldn't do enough to satisfy me. Then as things improved that changed. Several months ago I received a coupon from them for a really cheap oil change. I did go there and I was treated almost hostile even though they knew me as I had been a customer there for more than 10 years.



I did go to the Chevy dealer to follow your suggestion on the brake flush questions. I was told they do a flush, not just a drain.I never got the chance to get any specifics on how they do the flush. Even though I pointed out that I had exceeded the recommended 3 years for a flush, I was told I would not need a flush because when they do any kind of service they always do a free multi-point inspection which would determine if I needed any service..



At that point, I asked that the need for a brake flush can be determined visually by the mechanic. They said YES by looking at the fluid.



Since you've had this done many times, is that correct?



Thank you.
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You are so right. During the 2008-2009 meltdown the dealership I was using at that time for my Buick couldn't do enough to satisfy me. Then as things improved that changed. Several months ago I received a coupon from them for a really cheap oil change. I did go there and I was treated almost hostile even though they knew me as I had been a customer there for more than 10 years.



I did go to the Chevy dealer to follow your suggestion on the brake flush questions. I was told they do a flush, not just a drain.I never got the chance to get any specifics on how they do the flush. Even though I pointed out that I had exceeded the recommended 3 years for a flush, I was told I would not need a flush because when they do any kind of service they always do a free multi-point inspection which would determine if I needed any service..



At that point, I asked that the need for a brake flush can be determined visually by the mechanic. They said YES by looking at the fluid.



Since you've had this done many times, is that correct?



Thank you.

For many years, I have purchased my vehicles new and maintained them very well (myself or by dealer or garage). For many years, I did most of my own maintenance for my familyís vehicles. Due to several surgeries - I am limited to basic, easy maintenance now.

I have generally had the brake fluid changed in my vehicles about every 5-6 years - professionally, such as a dealer who was able to flush it correctly. Many, many years ago (before the advent of ABS pumps), I had changed the fluid myself.

Brake fluid darkens with age and is hygroscopic (absorbs moisture readily). There are disposable tests strips which you can buy and use to determine if the moisture level is high, requiring the fluid to be changed.

I suspect the dealer is telling you the mechanic can tell when to change the fluid, as it is ďtoo darkĒ and needs changing.

Peace of mind is cheap - if youíre concerned, I would have the fluid changed by a reputable dealer - especially if you intend to keep your vehicle.

Good luck.
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Quote:
Originally Posted by 1999 White C5 Coupe View Post
Good observation - I’ve noticed the same thing.

I’ve been driving for 50 years now - and owning cars. During the past several years, the new vehicle dealerships that I go to have often provided poor service (warranty and customer-pay). They seem to be flush with business and have a “who cares” attitude about basic service (not favors).

I have stopped going to two dealers recently due to poor service.

When the economy takes its next dive, new car dealers will be scratching their heads wondering why their customers aren’t returning.

It’s my belief that many owners of car dealerships don’t realize how bad service drives away customers, who no longer buy new or used vehicles there and don’t recommend the dealership to their friends and families.
The owner may not notice that the grill monkeys are pissing in the lemonade.

Quote:
Originally Posted by 1999 White C5 Coupe View Post
For many years, I have purchased my vehicles new and maintained them very well (myself or by dealer or garage). For many years, I did most of my own maintenance for my family’s vehicles. Due to several surgeries - I am limited to basic, easy maintenance now.

I have generally had the brake fluid changed in my vehicles about every 5-6 years - professionally, such as a dealer who was able to flush it correctly. Many, many years ago (before the advent of ABS pumps), I had changed the fluid myself.

Brake fluid darkens with age and is hygroscopic (absorbs moisture readily). There are disposable tests strips which you can buy and use to determine if the moisture level is high, requiring the fluid to be changed.

I suspect the dealer is telling you the mechanic can tell when to change the fluid, as it is “too dark” and needs changing.

Peace of mind is cheap - if you’re concerned, I would have the fluid changed by a reputable dealer - especially if you intend to keep your vehicle.

Good luck.
Those strips actually measure dissolved copper from corrosion of the NiCopp lines rather than the moisture percentage. Supposedly moisture alone isn't a good reason to flush the brakes.
IMHO Both are bad. I'm lazy about it. I flush the brakes at least every 36 months and I try to get em done closer to a 24 month cycle. The local state inspection outfit checks the brake fluid with the strips. My flush cycle seems to be well before the test strips complain about things.

2009 Impala SS
"Speed never killed anyone. Suddenly becoming stationary... that's what gets you." Jeremy Clarkson

Last edited by hatzie; 09-01-2019 at 12:33 PM.
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