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View Poll Results: Do you flush the brake system on you Workhorse Chassis every 2 years?
Yes, always 2 15.38%
Sometimes 1 7.69%
When I get the chance or think of it 5 38.46%
Never 5 38.46%
Multiple Choice Poll. Voters: 13. You may not vote on this poll

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Old 08-16-2022, 06:23 AM   #1
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Flushing the Brake System

Do you flush your brake system every 2 years like Workhorse recommends?

I got around to flushing the brake system on my W20 yesterday. The place that Workhorse chose for the location of the master cylinder makes that task somewhere between difficult and impossible.

Fortunately the task is closer to difficult than impossible!
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Old 08-16-2022, 08:14 AM   #2
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I voted never for 2 reasons -

1. We just got the coach in ‘21.
2. We had the brake recall done within 3 months - which requires a brake flush.

But it is on my To-Do list for next spring.
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Old 08-16-2022, 09:27 AM   #3
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Try to do it every two years but seems to be every three to four.
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Old 08-16-2022, 09:49 AM   #4
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I voted "Yes, always" because I had the bad experience of a problem a couple years after I bought my coach and I was 160 miles from home. I was able to make a temporary repair and limped the coach home, replaced all the flex hoses, all four calipers and brake pads. Lesson learned.
I access my master cylinder from the dog house. A bit of squirming around but I have found it easier than trying to reach over everything to get to the master cylinder.
A little time and some brake fluid is a lot cheaper than running into something or someone say nothing about someone getting hurt.
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Old 08-16-2022, 12:10 PM   #5
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I answered yes always, but reality is it my be 2.5 years, as I try to do brake work in the spring / fall when the weather is nice.
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Old 08-16-2022, 12:49 PM   #6
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I've flushed the brake system on our Itasca a total of 3 times since bought new in 2003. Had a slight discoloration of the first couple of ounces at the rear corners on one of the flushes. Fluid has always looked good otherwise. Yes, the reservoir's location makes it a bit difficult to add new.

LETMGROW,, was it moisture that caused all the problems that one time? Did you buy use and was there a possibility the brakes hadn't been flushed in several years, or maybe never? I have basically the same chassis.

Edited to add: I voted number 3 which isn't really accurate. My maintenance schedule has me doing it the same time I flush the cooling system, about every 5 years.
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Old 08-16-2022, 04:45 PM   #7
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Quote:
Originally Posted by Mudfrog View Post
I've flushed the brake system on our Itasca a total of 3 times since bought new in 2003. Had a slight discoloration of the first couple of ounces at the rear corners on one of the flushes. Fluid has always looked good otherwise. Yes, the reservoir's location makes it a bit difficult to add new.

LETMGROW,, was it moisture that caused all the problems that one time? Did you buy use and was there a possibility the brakes hadn't been flushed in several years, or maybe never? I have basically the same chassis.

Edited to add: I voted number 3 which isn't really accurate. My maintenance schedule has me doing it the same time I flush the cooling system, about every 5 years.
I did buy my coach used in 2015 and it was moisture which caused the problem. The LR caliper was the culprit. I pushed the brake pedal down at a stoplight and nearly blew through the intersection. I had no previous warning there was any issue with my brakes. One of the pistons in the caliper was seized and it heated the fluid and moisture to a boil. I was lucky enough to have room to pull off the highway and sit for a few minutes. After things cooled down I had a pedal again but knew it would seize again. I took a hammer to the back of the caliper and it freed up. I had locking pliers in my tool box so I squeezed the flex line going to the caliper off so I could drive home with three wheel brakes. When I got the caliper off I pulled the stuck piston out and found it rusted badly. I replaced all four calipers, all the flex hoses and all new brake pads. The rotors looked like new and when I checked them for run out they were all within spec. I repacked the front wheel bearings shortly after I bought the coach and replaced the front tires at the same time. With only 34,000 miles on the coach the brakes all looked good.
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