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Old 03-23-2023, 12:48 AM   #1
LDK
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Brand: Thor Motor Coach
Model: Aria 3901
State: Colorado
Posts: 141
THOR #13190
Power Steering Pump Failure

Hi everybody. 2019 Thor Aria 3901.

Anyone have a power steering pump go out? At least that is the issue I assume I have based on the shared video link and pic. Note the sounds in the video when I turn. Note the pic of the pump. There is fluid everywhere - appears originating from the top side of the pump.

I have a call into the closest Freightliner which is Tolleson AZ.

Please share any experiences and suggestions. Thank you.

https://www.dropbox.com/s/8azmj6g9bq...o%201.mp4?dl=0Click image for larger version

Name:	20230322_145125.jpg
Views:	67
Size:	107.7 KB
ID:	41286

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Old 03-23-2023, 01:10 AM   #2
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Can't watch the video without giving Dropbox access to my phone data. Can you just post the video on the forum, same as a picture?
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Old 03-23-2023, 01:20 AM   #3
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I hit decline and video still popped up.
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Old 03-23-2023, 02:15 AM   #4
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Quote:
Originally Posted by The Gritz Carlton View Post
Can't watch the video without giving Dropbox access to my phone data. Can you just post the video on the forum, same as a picture?
Nope - hosting it on Youtube is the best path.

Are you talking about the Cookie notice? That's all that shows up on my PC Accept or decline doesn't matter - you can still play the video.
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Old 03-23-2023, 03:07 AM   #5
LDK
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Brand: Thor Motor Coach
Model: Aria 3901
State: Colorado
Posts: 141
THOR #13190
Quote:
Originally Posted by The Gritz Carlton View Post
Can't watch the video without giving Dropbox access to my phone data. Can you just post the video on the forum, same as a picture?
Wasn't successful posting the video to the forum. Sounds like others are able to view. Sounds like if you deny access to your phone, the video will still be viewable.

Thanks for the help!
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Old 03-23-2023, 03:09 AM   #6
LDK
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Brand: Thor Motor Coach
Model: Aria 3901
State: Colorado
Posts: 141
THOR #13190
Quote:
Originally Posted by LDK View Post
Hi everybody. 2019 Thor Aria 3901.

Anyone have a power steering pump go out? At least that is the issue I assume I have based on the shared video link and pic. Note the sounds in the video when I turn. Note the pic of the pump. There is fluid everywhere - appears originating from the top side of the pump.

I have a call into the closest Freightliner which is Tolleson AZ.

Please share any experiences and suggestions. Thank you.

https://www.dropbox.com/s/8azmj6g9bq...o%201.mp4?dl=0Attachment 41286
Am trying to research. Am now wondering if the picture I shared is of the power steering gear box? As per the picture, there is fluid leaking somewhere. Appears to be from that component.
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Old 03-26-2023, 07:16 PM   #7
LDK
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Brand: Thor Motor Coach
Model: Aria 3901
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THOR #13190
Updates:

I have uploaded the videos to YouTube.

https://youtube.com/shorts/pouOXwaI2BM
https://youtube.com/shorts/QQn6rnLV0MI

I figured out the picture is of the power steering gearbox and not the pump.

I have an appointment with Freightliner Tolleson AZ Monday 3/27. Best guess by Freightliner, based on the fluid leak, is a seal is bad on the top of the gearbox, and can be repaired in a couple hours. Fingers crossed that is the case.
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Old 03-28-2023, 05:22 AM   #8
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Brand: Thor Motor Coach
Model: Aria 3901
State: Colorado
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THOR #13190
Well, as per Freightliner, due to where the leak is occurring (gasket between valve housing and gear housing), the power steering gearbox needs to be replaced.

Here is the kicker. Estimated time for the part to arrive is 72 days. Yep, 72 days.

Just any fyi, that part is ~$4K. Fortunately, covered by Freightliner warranty.

We were to leave the area Saturday after wintering here. Time to regroup and replan as can't drive the coach but just a very short distance as losing too much fluid.

Ugh!
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