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1948 - 1956 F1, F100 & Larger F-Series Trucks Discuss the Fat Fendered and Classic Ford Trucks

F500 Front Brakes

 
  #1  
Old 06-19-2019, 03:38 PM
HVFDFIREFIGHTER1618
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F500 Front Brakes

I have replaced the back wheel cylinders and had shoes relined. Iím sure I need to replace the front wheel cylinders and have the brake shoes relined. I took the tires off the front. Ran in to my first problem. The drums on the front are different than the back drums. The back drums were held on with 4 or 5 counter sunk flathead bolts. The front drum does not have this. I am assuming I need to take the 6 sided nut off of the center of the drum (pictured below). Or is this just a dust cap? My next problem is my biggest socket wrench is 2Ē (except for an 8 sided 3Ē socket I bought to remove the back axle)Anyone know what size wrench I need? My caliper reads 2.45. It looks like the nut is angled so maybe bigger or smaller than 2.45

Thw book says the front drums are attached to the hub with self locking bolts.

To remove this nut, which direction is to loosen it? Is each side different? Is there a way to hold the drum while trying to loosen this nut?



Iím sure these are the first of many questions to come on this subject.

All help is greatly appreciated!
 
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Old 06-19-2019, 03:49 PM
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This is the back side of the driver side

 
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Old 06-19-2019, 03:54 PM
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My book says the F500 has type 2 for front brakes and type 5 for rear brakes.


 
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Old 06-19-2019, 04:04 PM
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I used Chanel lock pliers to get mine off...it is threaded
 
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Old 06-19-2019, 04:06 PM
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Same as my f-4....... once you get the cap off you will see it.....mine came off pretty easy....
 
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Old 06-19-2019, 04:07 PM
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I got the cap off (I hope I can buy a replacement). Do I take the spider nut with the cotterpin going through it off to remove the drum? Or is this to remove/ replace the wheel bearings? Which may need to be done as well.
 
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Old 06-19-2019, 04:39 PM
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OK. I think I understand. Found this in the book. Have to remove the cap, adjusting not, outer bearing, hub, inner bearing and grease retainer. And while unit comes off. Then it looks like 5 bolts that hold drum to hub from back side.

Book says to pull cups and oil seal out with a tool that pulls than absolutely straight out without damage to the cup or the hub. What kind of tool do I need? Iím sure I will need to replace some parts here once I get into it.



Should the drum/hub assembly slide right off or is it going to be a a pain to remove like the back drums were? They do spin freely.
 
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Old 06-19-2019, 04:52 PM
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When I spin the front drums and press the brake pedal, they do not stop. They dont even try to stop


i did press brake pedal a few times, held it about half way in with some force behind it, started truck, and the pedal comes right back up. I read so where to do this test to see if brake booster is working. It seems like it is.
 
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Old 06-19-2019, 07:00 PM
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Originally Posted by HVFDFIREFIGHTER1618 View Post
I got the cap off (I hope I can buy a replacement). Do I take the spider nut with the cotterpin going through it off to remove the drum? Or is this to remove/ replace the wheel bearings? Which may need to be done as well.
Remove the cotter pin and nut, the hub and drum slide off as a unit.
 
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Old 06-19-2019, 09:55 PM
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You might need to back-off the brake shoe adjusters to get the drums off. Here's a couple of pics showing the direction to loosen them. "L" or up is the direction to turn the star wheel inside the slot.

Drivers side

Passenger side
 
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Old 06-20-2019, 08:18 AM
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Anyone know what size threads the dust cap has? Or where I can find them? Ford OEM part 1139
 
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Old 06-20-2019, 10:21 AM
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Originally Posted by HVFDFIREFIGHTER1618 View Post
Anyone know what size threads the dust cap has? Or where I can find them? Ford OEM part 1139
I don't know the thread size offhand, but I can tell you that I searched all over because I wanted to chrome them, and turned up nothing. Haven't looked in awhile though.
 
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Old 06-20-2019, 11:42 AM
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Originally Posted by Mixer man View Post
I don't know the thread size offhand, but I can tell you that I searched all over because I wanted to chrome them, and turned up nothing. Haven't looked in awhile though.

I found some nice cast iron ones with a grease fitting. I know its not original. Also saw some with white FORD letters in a blue oval. Don't know if they would fit, but cool looking.
 
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Old 06-20-2019, 12:30 PM
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Just found these repops. Not sure of the size, and there is no script, but the price is good.
Those won't fit.
Thread size is 2-5/8"-16 and the p/n is A8TZ-1131-C. Fitment is JH, T, TH, TL, W, WH.
 
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Old 06-20-2019, 12:46 PM
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Do you think I can pull the whole assembly off as a unit or do I need to purchase a bearing puller?
 

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