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#1156399 03/23/2016 3:14 AM
Joined: Mar 2016
Posts: 170
P
'Bolter
'Bolter
P Offline
Joined: Mar 2016
Posts: 170
So my master cylinder is empty, and my brake pedal stays on the floor after being depressed. Shouldn't the springs inside the bore of the MC push it back? If they're not strong enough, shouldn't there be a return spring on the pedal itself? I'm really only familiar with stuff from the 70's or newer. I haven't found any good illustrations showing that yet.

Joined: Jun 2011
Posts: 5,096
E
Crusing in the Passing Lane
Crusing in the Passing Lane
E Offline
Joined: Jun 2011
Posts: 5,096
Normally there is a return spring on the pedal arm, somewhere.

Ed



'37 GMC T-18 w/ DD 4-53T, RTO-610, 6231 aux., '95 GMC running gear, full disc brakes, power steering, 22.5 wheels and tires.
'47 GMC 1 ton w/ 302, NP-540, 4wd, full width Blazer front axle.
'54 GMC 630 w/ 503 gasser, 5 speed, ex fire truck, shortened WB 4', install 8' bed.
'55 GMC 370 w/270, 420 4 speed, grain, dump bed truck from ND. Works OK.
Joined: Mar 2016
Posts: 170
P
'Bolter
'Bolter
P Offline
Joined: Mar 2016
Posts: 170
On a 55.2, should I be looking inside the cab, or under the floor?

Joined: Dec 2006
Posts: 206
T
Shop Shark
Shop Shark
T Offline
Joined: Dec 2006
Posts: 206
Under the floor attached to the pedal going forward to the frame


Dave Chapman
The Hollister Road Company
713-937-0387
[email protected]
www.hollisterroad.com
www.thoroco.com
Joined: Mar 2016
Posts: 170
P
'Bolter
'Bolter
P Offline
Joined: Mar 2016
Posts: 170
Thanks! I'll check it out. I'm sure the pivot points are all a little rusty, but it didn't feel too difficult pushing it to the floor. I suspect something about the return spring is less than ideal.

Joined: Mar 2004
Posts: 6,214
M
'Bolter
'Bolter
M Offline
Joined: Mar 2004
Posts: 6,214
The pedal return spring is located above the MC. It connects the pedal arm right above the pivot pin and goes back to the rear corner of the MC mounting bracket. You can see the spring if you look through the floor fill hole towards the frame rail.

Mike B smile


Mike Boteler

1956 Chevy 3100 Resto Rod
1952 Willys M38 Army Jeep
1983 Jeep CJ7 Laredo
1984 Jeep CJ7
+++++
Silver Spring, MD

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