Matahoe
Full Access Member
Hey everyone. I seem to have a series of rather challenging brake problems. My system is hydroboost on a 2005 Tahoe. I am having the following problems with my brakes:
1) little to no brakg action until the pedal is pressed about the halfway point.
2) Brake pedal is noticeably slow to return when cold outside.
3) Brake pedal seems spongy through the entire length of travel.
4) Vehicle intermittently ( non-sequentially repeatable) pulls to left or right side when braking as less than 45mph to stop speeds.
5) Overall brake feel is sloppy, pads apply poorly and overall system does not inspire any confidence when braking while towing or even when braking during regular city stop and go driving. System just seems piss poor!
My concern is that these issues could be serious. Could not say if problems happened after brake service or if issues were preexisting. After more than 20 years of experience, I have never encountered these issues with other GM vehicles up until this model year. Before this Tahoe my experience was limited to pre-2003 models.
To help clarify the situation here is some history about my truck. 156K miles. I just did a complete brake job a year ago with new ACDelco calipers, rotors, ebrake kits, pads, fluid, new master cylinder, flex lines (the works other than hard lines). Have also done 2 additional brake bleeds with the past year to see if air might be the issue.
Post major brake service I have done the necessary troubleshooting required such as inspecting calipers, bleeding the brakes and lubricating the slide pins. Both for a second and third time. My concern is that I may not be bleeding all the air out or that it is trapped somewhere I am not familiar with. Another possibility I have researched is the hydroboost needs to be rebuilt. I also cannot rule out the possibility of contaminated or wrong fluid in the past. Brake fluid seems to be getting dark relatively early. Any help or familiarity with these issues would be extremely helpful. Thanks for any help!
1) little to no brakg action until the pedal is pressed about the halfway point.
2) Brake pedal is noticeably slow to return when cold outside.
3) Brake pedal seems spongy through the entire length of travel.
4) Vehicle intermittently ( non-sequentially repeatable) pulls to left or right side when braking as less than 45mph to stop speeds.
5) Overall brake feel is sloppy, pads apply poorly and overall system does not inspire any confidence when braking while towing or even when braking during regular city stop and go driving. System just seems piss poor!
My concern is that these issues could be serious. Could not say if problems happened after brake service or if issues were preexisting. After more than 20 years of experience, I have never encountered these issues with other GM vehicles up until this model year. Before this Tahoe my experience was limited to pre-2003 models.
To help clarify the situation here is some history about my truck. 156K miles. I just did a complete brake job a year ago with new ACDelco calipers, rotors, ebrake kits, pads, fluid, new master cylinder, flex lines (the works other than hard lines). Have also done 2 additional brake bleeds with the past year to see if air might be the issue.
Post major brake service I have done the necessary troubleshooting required such as inspecting calipers, bleeding the brakes and lubricating the slide pins. Both for a second and third time. My concern is that I may not be bleeding all the air out or that it is trapped somewhere I am not familiar with. Another possibility I have researched is the hydroboost needs to be rebuilt. I also cannot rule out the possibility of contaminated or wrong fluid in the past. Brake fluid seems to be getting dark relatively early. Any help or familiarity with these issues would be extremely helpful. Thanks for any help!
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