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My door lock pump needs replacing. In an effort to troubleshoot it, I glued the device that the air lines plug into onto the pump housing itself, so in order to replace the pump, I've now got to remove each air line from the little black box onto which they are plugged. Any cautionary tales on what not to do? I thought I could use a pair of pliers with a small groove in them to shimmy the plugs off but I didn't know if there was a special tool for this job.
 

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'04 G55 '80 280GE '99 S420 '98 E320 2011 E350 2016 GLA250
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A 7mm Open-Ended Spanner, placed underneath the "Collar" of the Fitting. Pull *STRAIGHT UP*. You do not want to break the "Male" nipple on the PSE pump, O/W it's $$$$$$.
 
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