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Old 03-15-2018, 04:37 PM   #1
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P30 Autopark Thing?

I have a 1998 Southwind 36Z on a P30 chassis, 454 engine. There's this "box" behind the transmission, was leaking like crazy the other day and the motorhome didn't want to move forward after I started driving along a neighborhood street (I was just driving up the street for gas), smoke rolling out from underneath. I stopped and filled the (resevioir?) and got 'er back to the house, no problem. And although I could see where it had leaked a 4 foot wide puddle on the driveway before I moved it, it hasn't really leaked any since. Nor have I tried to move the motorhome. SO what is this box and what are my options?
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Old 03-15-2018, 05:39 PM   #2
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Your best option is to learn all you can about the auto park system. Do a web search. I did. But, I used to own one.

http://www.oemys-performance.com/med...eplacement.pdf

AutoPark parking brake system help, troubleshooting, and repair

I was all set to send my actuator cylinder in to 'oldusedbear' for rebuild when I was broken down in Houston, Tx. Instead a local RV repair place gave me the part numbers and I went to a local hydraulic cylinder seal supplier and bought the two seals I needed. See if what you call a box is visible in either article. Don't focus on the Revision, focus on the description of how everything works.

Scroll down to the bottom of the page for a pdf on how to send in your parts for rebuild. A new hydraulic actuator? Likely more than $1,000.
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Old 03-15-2018, 05:43 PM   #3
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Further, some of the smoke was possibly from your parking brake overheating as you drove along with the big leak you described. You might have to replace the parking brake pads also. This type of brake is heavy spring action for brake on and hydraulic pressure to release.
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Old 03-16-2018, 07:29 AM   #4
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In addition to the links above, if it is the Actuator leaking (the part where the cable enters), read this:

Parking Brake Actuator failure repaired for a few bucks.

Also, oldusedbear will rebuild your Actuator for a donation. This is the safest method of repair. Info for this is in the AutoPark Library link above.

If you are mechanical, this is a very intriguing solution to the AutoPark issues:
Okay ... I SOLVED THE AUTO PARK BRAKE PROBLEM!
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Old 03-16-2018, 08:52 AM   #5
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autopark

We're still here - - If you need help with GM/Chevrolet autopark

rhaag11@charter.net

Roger - - aka oldusedbear at the Autopark Library
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Old 03-23-2018, 01:18 AM   #6
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Glad mine (1994 Storm 28ft 454 TBI) does not have that damn parking brake system.
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