Front discs won’t release

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Scotty D

Member
Joined
Dec 5, 2019
Posts
44
Reaction score
41
Location
Convoy, Ohio
First Name
Scott
Truck Year
1979
Truck Model
C10 Bonanza Big10
Engine Size
305
Need some help, I went through my brakes a couple of years ago- new master cylinder, calipers, pads, rotors, hoses, proportioning valve. Everything was working great, went to drive it the other day and it didn’t seem to roll like normal (I don’t drive it much as I like)
Found both front brakes hot and locked up after a 5 mile drive.
I cracked the lines on the master (thinking it was stuck but no pressure coming back to the master)
I can’t believe that both calipers are bad, or both hoses are collapsing after about 4 years time
Any ideas?
 

Edelbrock

Full Access Member
Joined
Mar 28, 2025
Posts
177
Reaction score
156
Location
Earth
First Name
Grumba
Truck Year
1977
Truck Model
K5 Blazer
Engine Size
400
Need some help, I went through my brakes a couple of years ago- new master cylinder, calipers, pads, rotors, hoses, proportioning valve. Everything was working great, went to drive it the other day and it didn’t seem to roll like normal (I don’t drive it much as I like)
Found both front brakes hot and locked up after a 5 mile drive.
I cracked the lines on the master (thinking it was stuck but no pressure coming back to the master)
I can’t believe that both calipers are bad, or both hoses are collapsing after about 4 years time
Any ideas?

Try lubing the caliper pins. Get them locked up again and try cracking open the bleeders on the calipers to see if they release.
 

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