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Mine worked reasonably well for about a year. Then about a month ago it just died. Now it works a little. I will try to re-adjust it. I rebuilt the brakes last year and had it working pretty good.
Yes, the parking brake works. :cool:
Parking brakes have been a problem on rear disc brake cars so some think like your brake guy. Have fixed several parking brakes on rear disc brake cars by simply using them. Sometimes the cable needs a llittle tightening.
My Corvette in 1977 when new, the emergency brake would not hold the car if it was in gear. The dealer service manager at the time basically told me the same thing that the diameter of the brake drums are too small to hold the car. I also remember him telling me that if they did hold the car and if you were to accerate, that with the small diameter shoes and drum, something would definitely give, not such a pretty picture. :D
After replacing the rear cable that was frozen on one side only and adjusting the parking brake shoes and then the tension cable according to the factory service manual my parking brake works GREAT!!!!
I purchased new pads/rotors/stainless cables, brackets, etc, and had them all installed IAW manuals....running brakes work fine....parking brakes work like all the others...only in reverse........maybe they were designed for high speed emergency stopping in reverse...in case we ever have to get the hell out of Dodge real quickly. You know....90 MPH brakes fail....no problem whip the steering wheel around so you're flying in reverse, then rip the handle off the console. :D :seeya
Mine works just a "little bit".
If my car had a manual transmission I would be more concerned but for the most part, I don't find too many occasions that it's needed with the automatic transmission.
I replaced the frozen cable on mine when I got it, it works OK as long as the hill isn't very steep, but it does tend to hang occasionally when backing up.
Mine didn't work all that bad, it was like most others.
It would keep the car from rolling on a slight incline.
Now it works great !!!! What changed you say ??
I just finished rebuilding the trailing arms.
In my frenzy to sandblast "everything", I was doing the park brake
shoes (the metal part), and the surface of the shoes (organic part)
looked very glazed. Sooo I gave it a blast of sand as well.
They were very dark and glazed, and after, they were a light tan color and
a bit rough.
They now have a great grip.
I suspect that if I only use it when I am stopped, it may hold for a while.
If I ever use it while in motion, the shoes will likely get glazed and revert
to it's usual operation.
I relocated my parking brake cables on top of my workbench when I put my larger tires on. I have not got around to welding back on to my trailing arms. So as a result my cables do not work very well.
Parking brake? my cars don't have no stinking parking brake!
Custom interiors have eliminated the problem!
Now on the 94, I have never used it, and as far as I know, I'll never try it!
It does now that I replaced everything except the rotors.
I decided to fix it last year when I was over my sisters house,
her driveway is on an incline down to the street. I started imagining one of the kids popping it out of gear and rolling into the street :eek:
That's all it took for me to hook it back up after not having it for 20 yrs :rolleyes:
As others have stated, these parking brakes were always weak. However, if properly adjusted they should hold a car on an incline. I don't know the geometry of the P brake system but it does seem to hold better if the car is facing uphill.
The GM Chassis Service Manual gives a very good adjustment procedure for the P brake shoes AND the cable. It take about 30 minutes to do the whole system, but it will definetly improve the P brakes.
Gary
Mine works fine....NOW!!! My cable was stretched all the way out and I went to Lowe's and got a small "cable lock" for about $4. I cut the cable and inserted the 2 ends into the little holes on the lock to take out all of the slack. Then readjusted the cable using the "14 clicks " of the handle as per AIM. This helped alot but was not what I really wanted. Pulled off the wheels and rotors to get at the rear brake shoes. After many years of use, the brake shoes were "slick" from use. I used some sandpaper and scuffed them up and now the emergency brake works great! Check the shoes!!!!
Mike