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Old 02-23-2009, 05:53 PM   #1
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Now it's my turn for an Auto Park issue.

The instrument panel icons indicate that both the "Auto Brake" and "Parking Brake" are engaged, however I discovered the brakes were not set when the levelers indicated the transmission was not in "Park".

I don't hear the normal sounds of the brake setting.

The instrument panel was replaced less than a month ago, this is first time it was lowering the levelers. My local WCC Service Center talked-up the issue but don't believe the IP has any connection with the auto park.

This is W24 chassis with the pushbutton shifter.

Any ideas?

Fred
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Old 02-23-2009, 05:59 PM   #2
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Have them check over their work perhaps some other electrical component or wire was compromised.

It's always best to go back to the last time everything was working properly and diagnose forward from there.

Remember you hold the trump card in this process when you visit workhorse.com and rate your dealer.
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Old 02-23-2009, 06:19 PM   #3
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I have the same thoughts, the IP change-out was quick and easy took about 15 min. I removed the access panel above the IP and everything looks ok and connected.

I have a service apt scheduled, just looking for additional insite.

I'll post the results when the service is completed.

Thanks
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Old 02-24-2009, 05:22 AM   #4
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however I discovered the brakes were not set when the levelers indicated the transmission was not in "Park".
FRED: This may be only an electrical communication error, and not necessarily a fact.

My suggestion would be to verify if the AAPB is actually applied-or is it not. In other words, can the coach move while the display indicates that the brake is set?
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Old 02-24-2009, 02:08 PM   #5
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Ed, you are so right, complete operator error. I don't what got into me; I thought you were supposed to hear the brake engaging, along with the disengaging. Wrong, only the disengage. You were right the coach will not move with the parking brake engaged.

Now back to the problem, the leveler system will not recognize the unit is in "Park", I guess we will work this out with the service appointment.

I couldn't change the title, timed out. Would one of the admin's change the title to "Leveler System Will Not Recognize "PARK".

Thanks

Fred
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Old 02-26-2009, 11:09 AM   #6
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do all of our coachs have auto brake not sure what it is an i dont think ive got thaat feture or extra i got a workhorse coach.
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Old 02-26-2009, 12:19 PM   #7
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Originally posted by UltraClassicElectraGlide:
do all of our coachs have auto brake not sure what it is an i dont think ive got thaat feture or extra i got a workhorse coach.
UltraClassicElectraGlide, Thank you for that question. The answer is no.

The J71 auto apply parking brake was standard equipment on a number of chassis including most all P Series.

The "new" J72 came on the W24 chassis and we also see it being used on the W18 at the moment.

All W20-24 today and as of about 2 years now all have manually applied parking brakes and a parking pawl in the transmission.

None of the W20-W22 motorhome ever built have an auto apply brake.

The UFO has an auto apply brake however it's a totally new system called the Wabco HPB.

I went to see what type of motorhome you have however there isn't any information in your profile.
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Old 02-26-2009, 12:19 PM   #8
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do all of our coachs have auto brake
UCEG: No, not ALL Workhorse chassis have AAPB. If you tell us which chassis you have, year and model, we can confirm for you. However, if you apply your parking or "emergency" brake with your left foot, then you don't have a chassis that requires an AAPB. AAPB is not an option, you either get it or you don't need it. ED
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Old 02-27-2009, 08:34 AM   #9
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Originally posted by DriVer:

The J71 auto apply parking brake was standard equipment on a number of chassis including most all P Series.

The "new" J72 came on the W24 chassis and we also see it being used on the W18 at the moment.

All W20-24 today and as of about 2 years now all have manually applied parking brakes and a parking pawl in the transmission.

None of the W20-W22 motorhome ever built have an auto apply brake.
Assuming that this a better system overall, and I've never seen or used one, is it likely that it would ever be intergrated into the (new, future model-years) W20 and W22-series?
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