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Old 08-12-2020, 08:51 PM   #1
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Power Steering

I have a 2002 Winnebago Ultimate Advantage on a Mountain Master chassis with a 8.3 350hp cummins . Last year I had the hydraulic pump replaced .Everything was fine until recently I don't have power steering at an idle. It developed a leak that seemed to be coming from the hydraulic reservoir .I changed the gasket on the cover which seems to have solved the problem. it was suggested to me that there may be some air in the system . Does that seem like a possibility and if so how do I get the air out .
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Old 08-14-2020, 12:19 AM   #2
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Old 08-14-2020, 10:19 AM   #3
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To clarify my power steering problem . Replacing the gasket on the tank fixed the leak but I still don't have power steering at idle making it difficult to back into a site . The thinking was that maybe air got into the system thru the bad gasket .
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Old 08-14-2020, 07:40 PM   #4
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Power steering

I've used a vacuum pump to pull air pockets out of ps systems but due to distance from the pump to the gear dont think that will work, try racking the steering at a higher rpm and if it is a bubble that may work it out.
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Old 08-15-2020, 08:00 AM   #5
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Ok, thank you , I'll give that a try .
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Old 08-17-2020, 08:47 PM   #6
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There is a Cummins recall for the hydraulic assist: https://automotix.net/autorepair/rec...untain_master/
If your chassis is pre-2002, there is a recall for bushings in the air compressor that fail, which causes the hydraulic pump to fail.
2000 Winnebago Ultimate Freedom USQ40JD, ISC 8.3 Cummins 350, Spartan MM Chassis. USA IN 1SG 11B5MX,Infantry retired;Good Sam Life member,FMCA." My fellow Americans, ask not what your country can do for you, ask what you can do for your country. John F. Kennedy
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Old 08-22-2020, 09:51 AM   #7
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Thank you , I'll look into that .
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power, steering

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