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Flushing Brake Fluid

PuddleJumper

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So my 23' just hit 20k odo. Whew those miles flew by quick. Anyway dealer did the usual and tried to charge me 350 bucks for filters. I got the ol' mopar filters myself on amazon for hella cheaper. easy enough to do myself. But they also added that a brake flush was desperately needed and wanted 300 bucks to do that. I wouldn't be surprised if it is bad. It feels mushier than my Aunt's Rubicon and I see a lot of offroad and towing. That DOT 3 might very well be cooked. I got that fancy vacuum brake flush tool so I'll do that myself. You know what I'll upgrade to DOT5.1 for some better performance and longevity as well. So my question, How much brake fluid do i need for a full flush?
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aFatBird

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Doesn't hurt to buy more than you need and just return what you don't use. If you do plan to swap to dot 5 you're going to want to flush the whole system with alcohol too.

What's wrong with just using dot 3 and doing a flush every year?
 
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Doesn't hurt to buy more than you need and just return what you don't use. If you do plan to swap to dot 5 you're going to want to flush the whole system with alcohol too.

What's wrong with just using dot 3 and doing a flush every year?
cus the truck is only 6m old. So i would have to do this every 20k or 6m. Plus the ABS bleed is a bitch, and i'd rather not do it twice a year
 

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Just flush with Isopropyl or some other alcohol? I would assume you want the 90% proof as no water should be in the system.
 
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Just flush with Isopropyl or some other alcohol? I would assume you want the 90% proof as no water should be in the system.
IDK what i'll flush with yet.
 

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Doesn't hurt to buy more than you need and just return what you don't use. If you do plan to swap to dot 5 you're going to want to flush the whole system with alcohol too.

What's wrong with just using dot 3 and doing a flush every year?
Do not use Dot 5. It's silicon based. When mixed with other brake fluids. It will gum up.

If you want to use a good Dot 4 brake fluid. Something like Motul 600, or 660. If you want to be a baller. Castrol SRF.

A '23 with 20,000 on it. I would just bleed the brakes to firm up the pedal if it feels soft. 50,000 miles. I say go ahead and flush using new brake fluid. I wouldn't use anything else. You don't know how other products with react with the ABS module.

The dealer wanting to do a flush for $300 at 20,000 miles. They found a sucker.
 
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PuddleJumper

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Do not use Dot 5. It's silicon based. When mixed with other brake fluids. It will gum up.

If you want to use a good Dot 4 brake fluid. Something like Motul 600, or 660. If you want to be a baller. Castrol SRF.

A '23 with 20,000 on it. I would just bleed the brakes to firm up the pedal if it feels soft. 50,000 miles. I say go ahead and flush using new brake fluid. I wouldn't use anything else. You don't know how other products with react with the ABS module.

The dealer wanting to do a flush for $300 at 20,000 miles. They found a sucker.
i know that, thats why i said DOT 5.1 its Glycol based. and yes i will be doing Motul as well.
 

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i know that, thats why i said DOT 5.1 its Glycol based. and yes i will be doing Motul as well.
aFatbird mentioned Dot 5. That's who I was referring to.

I've used Motul 600 for years in my Grand Cherokee and Power Wagon. When i started to do track days with the bike, and then with the car. I switched to Castrol SRF.
 
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aFatbird mentioned Dot 5. That's who I was referring to.

I've used Motul 600 for years in my Grand Cherokee and Power Wagon. When i started to do track days with the bike, and then with the car. I switched to Castrol SRF.
thx for the advice. sounds good
 

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Wouldn't this fall under warranty? If you trust your dealer that is.
 

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Depends who you ask
Just had a brake flush on my wife’s Jag. Indy shop charged a hundred bucks. Honestly to me I’d be wondering why you need a brake flush so early.
 
 







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