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#43378 06/21/2004 3:49 AM
Joined: Nov 2003
Posts: 113
5
Member
Member
5 Offline
Joined: Nov 2003
Posts: 113
I bought new parking brake cables from Chevy Duty and installed them without a hitch. Adjusted the rear brakes so that I had enough parking brake to keep her still on a 35% indcline. Was all set for a Father's Day drive. Fired her up and the brake pedal went clear to the floor - no resistance. The brake/master cylinder assembly is original 54 chevy 3100 stuff. I cannot see any fluid under the truck and the brakes worked great before my parking brake cable job. I didn't touch the front by the way. I plan on pulling the rear drums this week to re-check. Any suggestions what I should look at/for?? I didn't look at the front since I was planning on having a local brake shop rebuild everything (I know my limits and I think I've proven that brakes may be in my outer limits). The rear brake cylinders and shoes looked fairly new so I suspect that the front might be new also.

Any suggestions where to start looking would be helpful.

Bruce (Bummed in Cincinnati)Miller


Bruce (I love My Truck) Miller

1954 5 Window 3100 Chevy Pickup - Driver
1929 **** Model A Pickup - Restoration
#43379 06/21/2004 2:43 PM
Joined: Feb 2004
Posts: 29,777
H
Kettle Custodian (pot stirrer)
Kettle Custodian (pot stirrer)
H Offline
Joined: Feb 2004
Posts: 29,777
Try bleeding the brakes, starting with the rear. It's possible a little air got into the system while you were tinkering with the parking brake.
Jerry


"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln
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#43380 06/21/2004 2:59 PM
Joined: Jun 2000
Posts: 2,773
F
'Bolter
'Bolter
F Offline
Joined: Jun 2000
Posts: 2,773
It also wouldn't hurt to pull the drums and check the wheel cylinders. If they look dry, try pulling the rubber caps back and check for fluid. If there are any leaks, it's time to replace or rebuild the wheel cylinders.


Fred
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#43381 06/21/2004 3:23 PM
Joined: Jun 2000
Posts: 454
J
Shop Shark
Shop Shark
J Offline
Joined: Jun 2000
Posts: 454
This may be dead obvious and you may have already done this, but before I started looking at any of the wheels, I'd check the master cylinder. Does it have fluid? If not, you've obviously got a leak somewhere. If it does, then I'd start with the suggestions above.


Jeff Nelson

"Beer is proof that God loves us and wants us to be happy." - Benjamin Franklin
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#43382 06/21/2004 6:19 PM
Joined: Oct 2001
Posts: 3,458
4
Extreme Gabster
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Posts: 3,458
Was your brake fluid a bit low? Maybe this 35% grade you parked on uncovered the ports in the master cylinder and you sucked some air.


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