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RWD - master cylinder only half working

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master cylinder only half working 1800 1972

Jeff;

Welcome to this forum!

Remote troubleshooting without lots more details is tough...what makes you say one system is not working?? Did you check for pumping fluid at Master Cyl or Caliper? (Swollen shut, old brakelines are not unheard of!) If one sys is really not pumping fluid at Master, it sounds like something did not go right in the rebuild...

Also, I presume you are aware of the dual diagonal systems, and the pressure differential sensing Switch under the Hood, which needs to be reset when bleeding (see manual for bleeding order* and info on Press Diff Sw).

Also, left and Right Calipers of dual diag systems can be inadvertently swapped, putting two of the bleeding Nipples low, and making it impossible to remove all air...beware of this, and don't be fooled!

* I recall some differences in the bleeding order for the dual diag systems...it's important to RTFM for your model year on this!

Good Hunting!






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New master cylinder only half working [1800][1972]
posted by  kuducalyx  on Sat Feb 9 13:50 CST 2019 >

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