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Old 04-20-2015, 02:58 PM   #1
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Join Date: Feb 2015
Location: KY
Posts: 149
2003 hydraulic steering oil check

I found a container that has three filters in it and as I read on side it said to check oil. I have no books on this and looking for help. Before I just jump in here ,how do you check it and it said to use Dextron11 oil. I know this is power steering and brake booster, I believe it takes care of radiator fan. I couldn't fine any info on this. I need some input. Do I have to raise the bed to change filter? It has two caps and is one a dip stick? I found a piece in library about changing the oil.
Larry Pate
2003 38FDDS 350 ISC
Boston KY

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Old 04-20-2015, 03:13 PM   #2
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Join Date: Oct 2014
Posts: 342

Alpine used different fluids for the hydraulic system over the years.

We also have a 2003 38'. Our owners manual states Dexron and when I recently changed the filters, that is what came out and went back in.

Hopefully if someone else with a 2003 has a label showing a different fluid they will chime in.

BTW, here is the number of the filters (3 of them):Wix 57317

Unless there is a problem with contamination (unlikely unless a component fails, as this is a sealed system) I just remove the lid, siphon out the oil fluid, then and only then remove the wing nut, washer and filters. This way you are not mixing the unfiltered (outside the filters) fluid with the filtered fluid.

Replace the filters and refill with fluid.

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Old 04-21-2015, 04:52 AM   #3
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Join Date: Feb 2015
Location: KY
Posts: 149
Thank You Wolfe10. I'm going to purchase the filters and get this out of the way. In all my book on the Alpine there's nothing about this.
again Thanks for your help.

Larry Pate
Alpine Coach 2003 38FDDS 350 ISC
Boston Ky
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