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Re: [GMCnet] Brake Bleeding 101 [message #364946 is a reply to message #295436] Thu, 24 June 2021 09:23 Go to previous messageGo to previous message
Tom Katzenberger is currently offline  Tom Katzenberger   United States
Messages: 399
Registered: June 2019
Location: Kingsville, MD
Karma:
Senior Member
Guys,

While bench bleeding a new master cylinder (P30) I only get flow out of the front chamber. No action in the rear chamber. I do get one single bubble in the rear chamber each stroke. Is the master cylinder toast? Did I blow the rear seal?

Thanks,
Tom K.



Tom & Oki Katzenberger, Kingsville, Maryland, 1977 23' Birchaven, 455 C.I.D., Micro Level, Howell EBL-EFI Spark Control, Macerator, York Air Compressor, 6 Wheel Disc, Quadra Bag, Onan W/Bovee Ignition
 
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