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Bleeding ABS system without a scan tool

Tiny
SLIM63
  • MEMBER
  • 2003 CHEVROLET TAHOE
  • 5.3L
  • V8
  • 2WD
  • AUTOMATIC
  • 180,000 MILES
My wife called me last weekend {while I was out of town working} I have no brakes! When I got home the brake lines coming from my ABS, under the drivers seat, was leaking fluid. Push comes to shove a lot of my brake lines were very rusted, I live in Cleveland Ohio. I decided to change all my brake lines. I used copper/nickel lines. A friend told me to fill with fluid, open the rear passenger bleed valve and give gravity time to do its thing. 1 1/2 later nothing. I know there is air in the system for obvious reasons. How can I get all this air out of the system?
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Thursday, June 14th, 2018 AT 8:10 AM

1 Reply

Tiny
STEVE W.
  • MECHANIC
  • 12,950 POSTS
Without a scan tool to open the ABS valves you likely will not get the air out. Some of the lower priced DIY ones will run the bleed procedure now because it is required on so many vehicles if you do your own work. You might want to check with the chain parts places that loan out tools, some do have the scan tools that will operate the ABS to get the air purged out.
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Thursday, June 14th, 2018 AT 10:33 AM

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