I had a problem bleeding one rear and may have to replace the flex lines. I sprayed the connectors with PBlaster and noticed the two connections were different. Both will no doubt be tough to disconnect.
Anyone have any thoughts about the non-standard connection? No spring clip, but it is very solid.
Rear Passenger side flex hose connection (modified?)
Rear Driver side connection (appears original design)
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Graham
85 300D
,72 350SL, 98 E320, Outback 2.5