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No line pressure to rear disc conversion, no prop valve
Wound up keeping the position & swapping sides. E brakes are unhooked (ratchet pedal may be toast). Hose now enters caliper below bleeder, which is horizontal but on top. That's the best positioning I can figure out, keeping the calipers above the hub (still a truck). Still gotta bleed more... -
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No line pressure to rear disc conversion, no prop valve
Update: Disc/ disc Mc & p-valve installed & bled (bench, then pressurized, then vacuum pump). Pedal still soft & zero caliper action front or rear. Next up is rotating the rear calipers (mounting bracket) forward to see if I'm trapping air. Thx again for the help. -
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No line pressure to rear disc conversion, no prop valve
So it's the master causing my problem, not the pvalve? Or is it just the reservoir size? Are the cylinders different also? Thx Just read yours again.. bore and reservoir. Gotcha thx again. -
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No line pressure to rear disc conversion, no prop valve
I have a disc/disc p valve ordered. Guessing from nvrenuf et al that I'm probably looking at another new master, but for a disc/disc truck? ... I read through I don't know how much stuff on 14b disc swaps before I started this, & never came across anyone (who was trying to sell the convo kits)... -
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No line pressure to rear disc conversion, no prop valve
Dunno why it double posted, nor how to remove the repeat. -
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No line pressure to rear disc conversion, no prop valve
Ok, truck as listed above, stock (as far as I know.. it's an old county highway dept truck, so all the smog stuff is cut off & gone. ) I replaced the stock vacuum brakes (disc/drum) w/all new parts & did a disc conv on the rear (brackets, caddy calipers, hoses). Eliminated the load valve under... -
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No line pressure to rear disc conversion, no prop valve
Ok, truck as listed above, stock (as far as I know.. it's an old county highway dept truck, so all the smog stuff is cut off & gone. ) I replaced the stock vacuum brakes (disc/drum) w/all new parts & did a disc conv on the rear (brackets, caddy calipers, hoses). Eliminated the load valve under... -
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No line pressure to rear disc conversion, no prop valve
I have been some, thx. I suspected I may be up against mismatched parts but wasn't sure. Factory replacement lines came as 1/4 to the rear & 3/16 up front. Will a disc/disc valve do the trick? -
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No line pressure to rear disc conversion, no prop valve
Load sensing valve removed. Getting fluid from rear calipers when I bleed system w/a vacuum pump. When using help & brake pedal tho, no piston movement. -
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No line pressure to rear disc conversion, no prop valve
88 3+3 long bed 3/4t, 2wd, 14b ff cadillac calipers, 1/4" single line direct from Master to Tsplit hoses on rear 3/16" direct line from master to Tsplit on factory disc front. All new except for pedal & rod. Bleeding & getting caliper movement & pressure from front lines, but little line...
