Brake fluid does not flow to the rear brakes?

Tiny
BOB%
  • MEMBER
  • 2001 CHEVROLET SILVERADO
  • 6.0L
  • V8
  • 4WD
  • AUTOMATIC
  • 103,000 MILES
The truck listed above has front brakes, but not rear brakes. What causes the fluid to not to travel to the rear brakes so they can be bled?
Friday, December 8th, 2023 AT 5:05 PM

2 Replies

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,702 POSTS
First, I would loosen the lime to the master cylinder and then press on the brake pedal to see if fluid comes out of both ports, if not the master is bad. If so, tighten the lines before letting up on the brake pedal. Also, try to remove the brake bleeders because they can become clogged with rust and not allow the fluid to flow. Here are guides to help us see how to bleed the system and how to replace the brake master if needed:

https://www.2carpros.com/articles/how-to-replace-a-brake-master-cylinder

and

https://www.2carpros.com/articles/how-to-bleed-or-flush-a-car-brake-system

You may need to open the valve inside the ABS unit due to air the system.

This video will help you see how that is done:

https://youtu.be/nQRnKyVyMuQ?si=XOxQXSZepir2L9gl

Please upload pictures or videos of the problem so we can see what's going on.

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Saturday, December 9th, 2023 AT 9:41 AM
Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,702 POSTS
Anything?
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Wednesday, May 8th, 2024 AT 2:34 PM

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