The steel lines running to the rear of my wagon are shot so I'm faced with replacing them. Gut check: it seems easier to replace them with flexible hoses than deal with trying to ben steel lines under the car (and having them rust out again some day). I'm thinking something like these thermoplastic lines: http://www.swseal.com/pdf/Polyflex.pdf

Things to consider are:

(1) Pressure. Most of these hoses are designed for heavy industrial applications. I can't imagine the SLS system puts out near that much pressure. Does anyone know what the actual pressure is?

(2) Temperature. If anything I would be worried about low temps making the hose less flexible. High temp shouldn't be an issue except for under the hood, but I'll leave that section of hose alone for now.

(3) Chemical capatibility with the fluid. The fluid is mineral oil based, so according to the list on pg AB-16 here it should be fine with all their hoses. I can't find the specific fluid on their list.

(4) Fittings. I haven't pulled the lines yet so I'm not sure what they look like but I don't expect any issues here. Could be wrong...

I haven't done a cost analysis of the two options but would be happy to do so and share. If I go ahead with this I'll be sure to post plenty of photos and do a DIY walkthru. I've gotten lots of help on here reading through old threads so happy to contribute anything I can.