Going on 3rd Brake Booster - 2005 Silverado ECSB
#1
Going on 3rd Brake Booster - 2005 Silverado ECSB
I posted a thread about my brakes locking reporting it was the booster Jan 2022. Now its about to happen again. The early signs are diminished braking almost like brake fade and eventual brakes not releasing or say applying on their own.
The OE lasted 15+ years. Could not find an OE so had to go parts store. It failed and had to go another Cardone unit. Is there a particular brand I need to see out?
The OE lasted 15+ years. Could not find an OE so had to go parts store. It failed and had to go another Cardone unit. Is there a particular brand I need to see out?
#4
TECH Enthusiast
GM Genuine still available for the booster and master cylinder. Just did both on my wife's '06 a few months ago for the same issue. Cause on ours is the master cylinder failed and was leaking fluid into the booster, which ruined it. Brakes would lock on their own then release later once it had cooled off and would be fine for a little while before locking up again. https://www.performancetrucks.net/fo...driving-560665
May not be the same part #'s for your particular truck so be sure you check first..
Richard
#5
Thanks Guys, Looks like some GM units have populated the market since I was looking. I always try and go OE. I will this time.
@someotherguy That drama thread reminds me of when I was going through it the 1st time. Driving along @75mph and the truck starts shaking, rock hard pedal. I fast heel kick the pedal a few times and get relief. Not fun in rush hour traffic I-75 Atlanta. Hit them with digi temp gun and hot as hell.
All the booster tests I read up on passed. Addressed everything else. Truck has Russel SS braided lines.Did most of your thread talks of and more and finally sank in the booster was the "only thing" I had not had off. I even had the ABS unit tested to see if it needed any solder re-flows as its common on these. It was good.
It was like a new truck when I replaced the booster. Gonna get an ACDelco for sure!
@someotherguy That drama thread reminds me of when I was going through it the 1st time. Driving along @75mph and the truck starts shaking, rock hard pedal. I fast heel kick the pedal a few times and get relief. Not fun in rush hour traffic I-75 Atlanta. Hit them with digi temp gun and hot as hell.
All the booster tests I read up on passed. Addressed everything else. Truck has Russel SS braided lines.Did most of your thread talks of and more and finally sank in the booster was the "only thing" I had not had off. I even had the ABS unit tested to see if it needed any solder re-flows as its common on these. It was good.
It was like a new truck when I replaced the booster. Gonna get an ACDelco for sure!
#7
TECH Enthusiast
Ours has been on for 3.5 months and she drives quite a bit, it's held up so far but that's also not enough time to say it's gonna last forever, ya know?
I'm guessing the requirement to change to the other style master cylinder is because the rear section where it goes into the booster is different, so the booster is likely designed different as well. The old roll pin reservoir style has a long extension past the mounting flange where the tab reservoir style does not, check out the pics in my thread.
Richard
I'm guessing the requirement to change to the other style master cylinder is because the rear section where it goes into the booster is different, so the booster is likely designed different as well. The old roll pin reservoir style has a long extension past the mounting flange where the tab reservoir style does not, check out the pics in my thread.
Richard
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