Correct Procedure For Brake Bleeding and Flush - JKowners.com : Jeep Wrangler JK Forum
 
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post #1 of 5 Old 06-27-2015, 02:21 AM Thread Starter
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Correct Procedure For Brake Bleeding and Flush

What is the correct procedure for flushing the entire Brake fluid and Bleeding?

star Scan ABS Module first
Manual Pressure Bleed
And Than again Star Scan ABS module

My brake fluid seems contaminated and needs complete fresh brake Fluid.

DOT 3 is recommended but having thoughts of using DOT 4 if i can?

I know the rest of the details from rear left to rear right and front left and front right wheels sequence for pressure bleeding but want to make sure the correct sequence manual vs ABS module thanx
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post #2 of 5 Old 06-27-2015, 03:52 AM
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switching to DOT 4 would require an entire denatured alcohol flush of the system as well as replacing any rubber lines in the system currently. That is if you wan to do it correctly.

Generally to flush the system if you can remove the reservoir and clean any shit out of it, then fill it with fresh fluid and pressure bleed the entire system starting at the furthest wheel from the master cylinder and let it run till good clean fluid is expelled. then move around the vehicle doing same thing at each wheel.
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post #3 of 5 Old 06-27-2015, 04:25 AM
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Quote:
Originally Posted by JK07 View Post
What is the correct procedure for flushing the entire Brake fluid and Bleeding?

star Scan ABS Module first
Manual Pressure Bleed
And Than again Star Scan ABS module

My brake fluid seems contaminated and needs complete fresh brake Fluid.

DOT 3 is recommended but having thoughts of using DOT 4 if i can?

I know the rest of the details from rear left to rear right and front left and front right wheels sequence for pressure bleeding but want to make sure the correct sequence manual vs ABS module thanx
When bleeding/flushing of the ABS system is required along with the rest of the system, the order is :
Normal bleeding of the regular brake system
Cycling of the ABS system with a scanner capable of doing so
Another normal bleeding of the regular brake system

2008 Unlimited Rubicon Automatic
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post #4 of 5 Old 06-27-2015, 05:36 AM Thread Starter
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Ok thanks

Thats what i wanted to know

Manual bleed
Abs scan tool bleed
Manual bleed

By the way DOT 3 and 4 are very similar just the boiling point of DOT 4 is higer and can be used instead of DOT 3. But where DOT 4 is required DOT 3 is not recommended.
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post #5 of 5 Old 06-27-2015, 05:57 AM Thread Starter
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Also can someone please copy and paste the Brake Bleeding Flush procedure if you have a copy or access to JK service manual?
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