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Ask GM Tech (Cam) Your Own Question
GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 29570
Experience:  GM Grand Master Technician 2007. 14 years experience.
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1999 chevy tahoe 4x4: brakes..garage for inspection..bled..anti lock

Resolved Question:

1999 chevy tahoe 4x4 spongy brakes. will not even get into garage for inspection. bled all 4 and the anti lock difference.
Submitted: 9 years ago.
Category: Chevy
Expert:  GM Tech (Cam) replied 9 years ago.
WelcomeCustomer How did you bleed the ABS unit?
Customer: replied 9 years ago.
opened bleeder valve when to engine was off . under computer.
Expert:  GM Tech (Cam) replied 9 years ago.
Ok. I regret to tell you that you will need to visit the dealer to bleed the ABS. There is a function of the scan tool that cycles the valves, solenoids and pump in a sequence that releases trapped air. I have watched skilled techs waste several hours trying to bleed these without the scan tool and get no where.
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