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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Carter YFA overhaul questions

 
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Old 02-11-2019, 06:31 PM
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Carter YFA overhaul questions

Getting ready to overhaul my first Carter YFA and have a couple questions:

Besides the main body, what else goes in to soak in the carburetor cleaner?
 
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Old 02-11-2019, 07:50 PM
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I did the top and any metal parts.
Make sure you pull out any of the jets.
The break down paper is good for pulling it apart and putting it back together.
Plastic & rubber parts are a no go in the cleaner.

When I did mine I found someone was into the carb before me, lost screws and left holes empty, used sheet metal screws in other holes and lost shims for the accel pump.
I was able to find screws in my nuts / bolts / screws bins and was ok with out the missing shim so far.
Dave ----
 
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Old 02-11-2019, 09:02 PM
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Originally Posted by FuzzFace2 View Post
I did the top and any metal parts.
Make sure you pull out any of the jets.
The break down paper is good for pulling it apart and putting it back together.
Plastic & rubber parts are a no go in the cleaner.

When I did mine I found someone was into the carb before me, lost screws and left holes empty, used sheet metal screws in other holes and lost shims for the accel pump.
I was able to find screws in my nuts / bolts / screws bins and was ok with out the missing shim so far.
Dave ----
So the rubber flapper on the bowl vent lever arm needs to be removed? I'll take that off. Thanks for the info. Should be an easy carb to do
 
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Old 02-11-2019, 09:31 PM
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All rubber and plastic comes off. I like to take everything off except the throttle plate and shaft. Not Necessary and increases chance you’ll lose something or forget how it goes back together.

after taking apart I wash with hot soapy water and then spray down with gas or canned carb cleaner and maybe brush.

then It goes into the carb dip overnight if bad enough.

followed by soapy water to neutralize the dip and then spray and brush. I also use a guitar string and Canned air to get into the nooks and crannies.

Finally I coat in WD-40 or silicone to prevent rust and reassemble.

Theres a good YouTube series on the YF by a fellow named Mike.
 
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Old 02-12-2019, 03:16 AM
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I like to take everything off except the throttle plate and shaft.
They are also hard to remove because the screws are staked over so they don't shake loose and go thru the motor.
Most of the time you strip the screws so they stay.

Dave ----
 
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Old 02-12-2019, 06:07 AM
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Originally Posted by FuzzFace2 View Post
They are also hard to remove because the screws are staked over so they don't shake loose and go thru the motor.
Most of the time you strip the screws so they stay.

Dave ----
Right, I learned that the hard way.
 
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Old 02-12-2019, 06:18 AM
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I should also of added that if you do get it apart the "disc" has to go back in the same way it came out.
If not the disc can bind and keep the throttle from closing all the way or opening.
So it is best to just not touch the throttle shaft & disc.
Dave ----
 
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Old 02-12-2019, 12:43 PM
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Luckily I have the bad one plus 2 more, to look at in case I get stuck on reassembly
 
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Old 02-13-2019, 10:44 PM
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Getting ready to set the float, says 25/32 for the float level, and 1-19/32 on float drop. But I can't make heads or tails of where those are on the gauge that came in the kit (photos attached.
 
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Old 02-13-2019, 11:44 PM
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Carter YF Technical

Looks like they changed specs over the years too, make sure you're working off the right manual.
 
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Old 02-14-2019, 06:28 AM
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Originally Posted by Tedster9 View Post
Carter YF Technical

Looks like they changed specs over the years too, make sure you're working off the right manual.
I am going off the spec sheet from the carb kit, the measurements are for the carb I have, E3TE-AAA
 
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Old 02-14-2019, 06:44 AM
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"Rebuilding Carter YFA Part 1"
 

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