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No brake fluid to rear calipers

South Central

New member
On a 94 Grand Prix with 4 wheel disc brakes and ABS, I have no brake fluid coming out of the ABS unit to the two lines that run to the rear calipers. I checked the fuse and it is OK, and there is fluid pressure from the ABS unit to the two lines that run to the front calipers. I suppose pressure to the front is a default status. What prevents pressure from going to the rear? Thanks in advance for any advice.
 


did you open the lines ( or take them off) and push the brake pedal?

if so you just let a ton of air in the master cylinder and it now needs to be bled.
 
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