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Old 04-27-2022, 03:27 PM
dmorgan dmorgan is offline
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Join Date: Apr 2012
Posts: 464
Where is the ASR bleeder SP on the hydraulic control unit ?

On the Hydraulic Control Unit as shown in the picture below, it seems to me that the Hydraulic control unit consisted of ABS and ASR unit together. I only find the SP on the ABS unit. See the red circle on the picture below. Is there another SP on the ASR Unit or does this one SP take care of both ABS and ASR together?
I also include two instructions on ABS/ASR bleeding the unit. It only shows one SP. So I assumed the SP take care of both ABS/ASR hydraulic Control Unit. Does the pre charged ASR pump located below the Master Brake Cyclinder have a SP or does it need to bleed as well?

Comments, advice, feedback is greatly appreciated.
Attached Thumbnails
Should the engine should running or turn the ignition on while bleeding the brakes?-dscf0002-1.jpg  
Attached Files
File Type: pdf Brake Bleeding with ASR.pdf (214.5 KB, 189 views)
File Type: pdf Mercedes brake bleeding with asr abs instructions.pdf (137.5 KB, 85 views)
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