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Jeeppuller--sounds like Beagle is ahead of me with regard to dealing with the ABS module. Yes--I have bleed the brake lines on a number of Alpine coaches over the year, including my own. In doing a full four-corner bleed, I always "assumed" the fluid in the ABS was also being bled/exchanged. That is probably not the same as bleeding the module once air has been introduced, eg, replacing a seal or disassembly.
For the purposes of ensuring a complete bleed of the brake system, it requires that the wheels on all four corners be removed. It might be possible to bleed the outside calipers on the front wheels without removal but the rear wheel outside calipers are physically impossible to reach.
I just use a std manual/hand vacuum pump with a collection jar. Only trick is to ensure you close the bleed screws under vacuum when you have to empty the collection jar. Obviously, you also have to make sure the fluid level in the front bulkhead reservoir is maintained during the process. I begin the process by pumping out and replacing the old fluid in the reservoir before starting the 4-corner bleed. Normally, the process takes about 3 qrts of DOT 3.
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Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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along with my disc got the ABS modulator bled. good luck!
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