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

Hole in Floor

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Old Jan 1, 2010 | 10:00 PM
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Hole in Floor

I'm trying to figure out why a PO would cut a square hole in the driver's side floor just above the brake master cylinder. Other than the cutout, the floor is rock solid. Is there some kind of accessory that might need to be hooked up at this location? There are several features about the truck that make me think it might have been a utility or oilfield service truck.

Someone later patched the hole using sheet metal screws and a rusty piece cut from another truck so the master cylinder cover plate was in place when I bought it. It's laying on top of the transmission cover in the attached photo.



 
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Old Jan 1, 2010 | 10:04 PM
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My guess would be they needed to replace the master cylinder and didn't want to crawl under the truck to do it
 
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Old Jan 1, 2010 | 10:07 PM
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That, or just someone tired of trying to service the m/c through the little round hole, and simply cut a bigger one.
 
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Old Jan 1, 2010 | 11:15 PM
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I agree with 52 Merc, it's a PIA to get that cap and when you do you have to be careful nothing drops into the reservoir.
 
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Old Jan 1, 2010 | 11:52 PM
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I agree with 52 Merc and Bob. Have you ever tried fitting your hand through that hole to unscrew the master cylinder cap inorder to fill it with brake fluid? It's a hard thing to do.
 
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Old Jan 2, 2010 | 12:02 AM
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Maybe he had huge hands as did all the family members . That is why you need a petite little woman by your side for those emergency situations .
 
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Old Jan 2, 2010 | 09:11 AM
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And for any other necessary procedures! HaHa Ha...I kill myself!
 
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Old Jan 2, 2010 | 09:30 AM
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I'd bet he was going to put in a dual M/C. Their lids are 2x the size of a stock cap.

There's no problem removing the M/C cap if you use a socket on an extension, or lay under the truck and do it with a crescent wrench. If you want a list of truly ugly jobs, I can provide a list.....

PS -- is the clutch pedal disconnected in the picture? If not, something is seriously wrong with one of the pedal linkages.
 
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Old Jan 2, 2010 | 09:52 AM
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Mine will look like that if I ever have a can-opener handy when I'm adding fluid. Just last week ..........
 
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Old Jan 2, 2010 | 09:55 AM
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Originally Posted by 52 Merc
That, or just someone tired of trying to service the m/c through the little round hole, and simply cut a bigger one.
Just like he said!
 
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Old Jan 2, 2010 | 10:18 AM
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Do you have a non original transmission ? It looks like there is an extra hole in the cover too.
 
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Old Jan 2, 2010 | 02:04 PM
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Originally Posted by jim collins
Do you have a non original transmission ? It looks like there is an extra hole in the cover too.

That's just the original cover for the master cylinder access hole laying on top of the trans cover.
 
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Old Jan 5, 2010 | 09:29 AM
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Originally Posted by ALBUQ F-1
PS -- is the clutch pedal disconnected in the picture? If not, something is seriously wrong with one of the pedal linkages.
Yes, the clutch was disconnected when the picture was taken. After I took the picture, I removed the transmission cover and pulled the transmission. If this cold snap would end I could remove the cab next weekend and be pretty much done with disassembly.
 
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