Power Brake Problem?
#41
Re: Power Brake Problem?
or they don't know how to troubleshoot it. I'll see in my service manual if there is anything about it.
#42
Re: Power Brake Problem?
I couldn't believe GM made them spend $750 on a special hybrid brake bleeder, which didn't help. They also replaced a caliper for no reason this week.
In a few days, it qualifies as a lemon in this state.
#44
Re: Power Brake Problem?
I got the truck back yesterday. It even stops!
The story was amusing. The GM telephone tech that was working the case went on vacation, the next guy let the dealer change the part they thought was the culprit. It was a valve that they could hear hissing when the brake was pressed. This seems to have cured the failing brake issue.
The weird thing is the brake pedal doesn't feel anything like it did before the problem. The old pedal was solid as a rock and nothing could move it down very much. Now, it feels fairly solid, but if you really stand on it, it moves down a couple inches and then stops. The pedal also goes down to the "lower position" if you are holding it when you start the truck. When the pedal is as far down as it can go, I can hear a faint buzzing sound.
Since it is possible I've had a problem since the truck was new, I have to ask "Do they all do that?".
The story was amusing. The GM telephone tech that was working the case went on vacation, the next guy let the dealer change the part they thought was the culprit. It was a valve that they could hear hissing when the brake was pressed. This seems to have cured the failing brake issue.
The weird thing is the brake pedal doesn't feel anything like it did before the problem. The old pedal was solid as a rock and nothing could move it down very much. Now, it feels fairly solid, but if you really stand on it, it moves down a couple inches and then stops. The pedal also goes down to the "lower position" if you are holding it when you start the truck. When the pedal is as far down as it can go, I can hear a faint buzzing sound.
Since it is possible I've had a problem since the truck was new, I have to ask "Do they all do that?".
#45
Re: Power Brake Problem?
I got the truck back yesterday. It even stops!
The story was amusing. The GM telephone tech that was working the case went on vacation, the next guy let the dealer change the part they thought was the culprit. It was a valve that they could hear hissing when the brake was pressed. This seems to have cured the failing brake issue.
The weird thing is the brake pedal doesn't feel anything like it did before the problem. The old pedal was solid as a rock and nothing could move it down very much. Now, it feels fairly solid, but if you really stand on it, it moves down a couple inches and then stops. The pedal also goes down to the "lower position" if you are holding it when you start the truck. When the pedal is as far down as it can go, I can hear a faint buzzing sound.
Since it is possible I've had a problem since the truck was new, I have to ask "Do they all do that?".
The story was amusing. The GM telephone tech that was working the case went on vacation, the next guy let the dealer change the part they thought was the culprit. It was a valve that they could hear hissing when the brake was pressed. This seems to have cured the failing brake issue.
The weird thing is the brake pedal doesn't feel anything like it did before the problem. The old pedal was solid as a rock and nothing could move it down very much. Now, it feels fairly solid, but if you really stand on it, it moves down a couple inches and then stops. The pedal also goes down to the "lower position" if you are holding it when you start the truck. When the pedal is as far down as it can go, I can hear a faint buzzing sound.
Since it is possible I've had a problem since the truck was new, I have to ask "Do they all do that?".
#46
Re: Power Brake Problem?
I wish I had driven more than one GM hybrid before I bought mine. There aren't any more in town, or I'd go for a test drive to see. This dang thing is really troubling.
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