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#11
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All of the above and my 2 cents are cups in master are allowing fluid to bypass internally and won't necessarily leak externally, but cause the spongy feel. Also, the rear flex hose sounds like it is collapsed, causing the restricted flow and will expand under pressure, again can cause spongy pedal.
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Mitch 1970 Chevelle SS 1966 Chevelle SS 1967 Camaro ss/rs 1938 Business coupe, street rod 2000 FXSTS, original owner, 13k miles |
#12
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#13
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Bill |
#14
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Understood - and thinking thru this - im getting more comfortable that i dont have solid rear brakes....so from that perspective - prop valve back may be the issue. Easy enough to pop in 2 new wheel cylinders in the rear and see what happens.
On this topic - i have seen the flexible brake lines collapse on the inside on a variety of cars - is there any rule of thumb when it is wise to change out the flexible lines?
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Eddie M MBTMF 68 COPO Camaro 9737 non-converted YENKO 69 YENKO SC Camaro, Hugger Orange - born with engine! |
#15
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You're going to have to bleed the rears after the wheel cylinder replacement, NOW is the time to change that hose too.
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Mitch 1970 Chevelle SS 1966 Chevelle SS 1967 Camaro ss/rs 1938 Business coupe, street rod 2000 FXSTS, original owner, 13k miles |
The Following User Says Thank You to Too Many Projects For This Useful Post: | ||
69M22Z (10-27-2023) |
#16
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yes why not at that time - Ill order up some parts and plan the work next weekend.
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Eddie M MBTMF 68 COPO Camaro 9737 non-converted YENKO 69 YENKO SC Camaro, Hugger Orange - born with engine! |
#17
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Get the GOOD cylinders from NAPA that Bill mentioned. Don't order some chinese crap off amazon or cpp. They have the brake hose too.
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Mitch 1970 Chevelle SS 1966 Chevelle SS 1967 Camaro ss/rs 1938 Business coupe, street rod 2000 FXSTS, original owner, 13k miles |
#18
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I personally would start with just the brake hoses. Yes, it will require another bleeding if it’s not the issue but in my experience it is the place to
start. Jason |
#19
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With a 20,000 mile car? I've seen hoses cause a wheel to lock up and not release when they deteriorate, but not cause a car to not panic stop, that's normally caused by a stuck caliper or wheel cylinder. I still bet it's the wheel cylinders. But once again, "I'm just Sayin" Bill
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The Following User Says Thank You to Big Block Bill For This Useful Post: | ||
RPOLS3 (10-29-2023) |
#20
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OK, well parts ordered - say next weekend project and see what happens.
Im going to replace the wheel cylinders rear, rear rubber hose and for i also purchased a set of across the axle brake lines - in the event we have issues getting the other lines off easily, ill have a backup plan immediately. Appreciate all the advice guys!
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Eddie M MBTMF 68 COPO Camaro 9737 non-converted YENKO 69 YENKO SC Camaro, Hugger Orange - born with engine! |
The Following 2 Users Say Thank You to enio45 For This Useful Post: | ||
69M22Z (10-28-2023), Big Block Bill (10-28-2023) |
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