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Old 10-13-2015, 07:27 PM   #1
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1997 Chevy auto park brake!!!!!!!!!

My 97 Chevy auto park brake working better after I replaced the pressure maintenance switch and the solenoid valve, however when setting in my driveway and shifting through the gears works fine at first.
40 to 60 minutes of this brake fails to release, unless you move/nudge the shifter in the (R) position.

Anyone know where I can get a/the Cam Actuated Switch, the switch is on the left side of the steering column. When the shifter is moved from Park a signal is sent to the pressure maintenance switch and the solenoid valve applying or releasing the drive shaft brake. Anyone know where I can get the switch? GM no longer have these and evidently no one else does either! GM Part #15961565. The age group of these installation is 1997 to 2002 M.H. busses and large trucks.
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Old 10-13-2015, 07:32 PM   #2
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Have you tried adjusting the cam? If you can fiddle with it and then it works, It sounds like the switch cam needs adjusting. Just line it up with a drill bit.
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Old 10-13-2015, 07:41 PM   #3
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Are you talking about the cam on steering column, and what do you line up existing holes? I haven't actually seen the switch just description in the books text!
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Old 10-13-2015, 07:49 PM   #4
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Quote:
Originally Posted by turp7789 View Post
Are you talking about the cam on steering column, and what do you line up existing holes? I haven't actually seen the switch just description in the books text!
The cam is under the motorhome on the steering column. There are two holes you line up and put a drill bit into.
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Old 01-09-2016, 04:37 PM   #5
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Be careful if you have your vehicle running for a while in Park the cam on the steering column just above the brake pedal gets real hot.

Steve
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