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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 15201
Experience:  GM Grand Master Technician 2007. 14 years experience.
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Brake pedal issues 2006 GMC Sierra. Possible brake pedal

Customer Question

Brake pedal issues 2006 GMC Sierra. Possible brake pedal pressure valve.
JA: Have you changed the oil on a regular basis? And what about the timing belt? Has it ever been replaced?
Customer: No
JA: Are you fixing your Sierra yourself? What have you tried so far?
Customer: Master cylinder
JA: Anything else you want the mechanic to know before I connect you?
Customer: No
Submitted: 10 months ago.
Category: Chevy
Expert:  K. Wiggins replied 10 months ago.

Hello, did you bench bleed the new master before installing it? What kind of pedal issues are you having? (spongy, goes to floor, etc.)

Customer: replied 10 months ago.
I bled the master cylinder. I have no codes stored,also bled through my scanner
The brakes pump and hold as if there is air in the system.
Expert:  GM Tech (Cam) replied 10 months ago.

hi there, I am Cam.
Can you tell me if you changed any parts for the brakes yet?

Customer: replied 9 months ago.
I am just getting this vehicle back in my shop.I was speaking with Cam. At this point the brakes are no better after replacing the brake calipers.