Auto park is a automactic e-brake. It gets it pressure off the hydroboost system. How it works if you where driveing down the road and the power steering line blew the brake on the driveshaft would lock up. Sounds like fun. Just think of your 16000 pound MH driveshaft brake locking up at 70 mph.I don't have that problem. My problem is it get stuck like a sticky trailer brake when I put the camper in gear..... I guess I answerd my own question,I have to do an e-brake brake job.
Here is a quick recall notice about the auto park system
NHTSA CAMPAIGN ID Number : 94V183000 Recall Date : SEP 27, 1994 Component: PARKING BRAKE Potential Number Of Units Affected : 3762 Summary:
THE AUTO APPLY PARKING BRAKE SYSTEM FAILS TO RELEASE THE PARKING BRAKES AFTER ACTION HAS BEEN TAKEN TO RELEASE THEM OR THE SYSTEM MAY AUTOMATICALLY APPLY THE PARKING BRAKE WHILE THE VEHICLE IS IN MOTION. IN EITHER CASE, IF THE DRIVER DOES NOT NOTICE THE TELLTALE RED BRAKE LIGHT AND STOP THE VEHICLE, THE SYSTEM WILL FAIL. Consequence:
IF THE OPERATOR PARKS THE VEHICLE, APPLIES THE PARKING BRAKE WITH THE FAILED AUTO APPLY PARKING BRAKE SYSTEM, THE PARKING BRAKES WILL NOT SET AND THE VEHICLE CAN ROLL INADVERTENTLY. Remedy:
DEALERS WILL UPDATE THE COMPONENTS OF THE AUTO APPLY PARKING BRAKE SYSTEM, BLEED THE HYDRAULIC POWER SYSTEM, AND ADJUST THE PARKING BRAKE. Notes:
SYSTEM: PARKING BRAKE.VEHICLE DESCRIPTION: MOTORHOME CHASSIS. NOTE: IF THE VEHICLE IS PRESENTED TO AN AUTHORIZED DEALER ON AN AGREED UPON SERVICE DATE AND THE REMEDY IS NOT PROVIDED FREE OF CHARGE WITHIN A REASONABLE TIME OR THE REMEDY DOES NOT CORRECT THE DEFECT, PLEASE CONTACT CHEVROLET AT 1-800-222-1020 OR GMC AT 1-313-456-4547. ALSO, CONTACT THE NATIONAL HIGHWAYT RAFFIC SAFETY ADMINISTRATION'S AUTO SAFETY HOTLINE AT 1-800-424-9393.
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