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How does the needle valve assembly all go together

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Talking carby
the needle is the bit with a rubber insert at the pointy end
the other end has a hollow drilled in it
into this end a spring will go then a small plunger with a weal spring attached to the end
put the assembled needle into the body and place the bent section of the spring on the needle over the tang of the float arm ( small bit bent down and back on the float arm
position the float arm and push the pivot pin through the bady and the float arm ends and to the other side of the body
the action of the float as the fuel vibrates is absorber by the weak spring holding the needle plunger to the float
If you cannot under stand this then get any book with a carby
section and you will see from the diagram how to put it together
90% of carbys will have the same set up so the manual doesn't have to be specific for your job.

Posted on Apr 25, 2015

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Posted on Jan 02, 2017

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Onan Marquis good 5500. After 30 seconds starting, carburetor floods out. Cleaned out carburetor, still floods. Pinched off fuel line, ran till it was starved. Released, ran till it flooded again.


Hello Johnnie Thomas,

If GASOLINE is allowed to STAND it can VARNISH things together!

Either you have a stuck (or obstructed) valve seat...
(on the business end of your float)...

or the float ITSELF no longer floats
(freely: a malformed gasket can also obstruct free motion).

In principle the float bowl acts exactly like a "TOILET TANK"

When the fuel DROPs below the IDEAL level, the float (also drops) & the pressure released from the fill valve
(typically a needle &seat)...

Most carburetor kits include a new needle valve...
precisely because it is vital to the function.

Sort of a full CARB Rebuild... try cleaning the inside of the fuel bowl with Berryman B12.

Hope this helps.

Jun 14, 2016 | Cars & Trucks

1 Answer

I have honda city 2006 i have problem the car wont shitf in reverese any idea


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Forward clutch defective
Reverse brake defective
Reverse brake piston stuck, worn, or damaged
Planetary carrier assembly worn or damaged
Sun gear worn or damaged
Ring gear worn or damaged
Input shaft needle bearing worn or damaged
Thrust needle bearing on planetary carrier seized up, worn or damaged
Thrust washer on planetary carrier seized up, worn or damaged
Shift cable broken or out of adjustment
Manual valve lever and pin worn
Valve body assembly defective
Control valve body assembly defective
Manual valve body defective
ATF joint lines worn or damaged
Inhibitor solenoid valve defective
Transmission range switch defective

Sep 01, 2012 | Honda City Cars & Trucks

2 Answers

When I turn my air conditioner on, the air blows out on the dashboard for the windshield and not from the vents. What can I do??


The blend door actuated by solenoids may not be working correctly causing a/c cool air to come out of the windshield vents, rather than the regular front vents.

Defroster Valve Actuator 1996 – 1999 1996 – 1999 HVAC Actuators gm-10-00-1840.gif

To Remove:
  1. Remove the air distributor assembly.
  2. Unclip the defroster valve actuator from the air inlet.
  3. Disconnect the defroster valve actuator from the valve.
To Install:
  1. Disconnect the defroster valve actuator from the valve.
  2. Clip the defroster valve actuator from the air inlet.
  3. Install the air distributor assembly.
Heater/Bi-Level Actuator 1996 – 1999 1996 – 1999 HVAC Actuators gm-10-00-1840.gif

To Remove:
  1. Remove the air distributor assembly.
  2. Remove the clip and the screws that fasten the 2 halves of the air distributor assembly and separate the air distributor assembly.
  3. Unclip and disconnect the heater/bi-level actuator from the valve.
To Install:
  1. Connect and clip the heater/bi-level actuator to the valve.
  2. Fasten the 2 halves of the air distributor assembly together and torque the fasteners to 13 in-lbs (1.5 Nm).
  3. Install the air distributor assembly.
---
Removal & Installation Recirculation Actuator 1996 – 1999 1996 – 1999 HVAC Actuators gm-10-00-1840.gif

To Remove:
  1. Remove the left sound insulator panel.
  2. Disconnect the vacuum hose from the recirculation actuator.
  3. Remove the recirculation actuator from the valve.
To Install:
  1. Connect the recirculation actuator to the valve.
  2. Clip the recirculation actuator to the air inlet.
  3. Connect the vacuum hose to the recirculation actuator.
  4. Install the left sound insulator panel.

Aug 13, 2010 | 1997 Buick LeSabre

2 Answers

How do I get the float unstuck in the carberator of a 1976 Ford F100 truck?


An easy way is to remove the air cleaner off the carb, and give the top of the carb a couple sharp taps with a small hammer or a heavy screwdriver.. sometimes you can simply loosen the needle valve and float up this way.
You may need to take the top of the carb off. The float and needle valve work together to stop the flow of fuel into the carb. You want to check to see if the float is not full of fuel.. if it is , then it's got a leak and should be replaced... spray the needle valve and seat with carb cleaner spray to remove any build up.. And as long as the carb bowl is exposed, clean the basin out as well.

May 07, 2010 | 1981 Ford F 100

1 Answer

Getting fuel to the carb but not in the carb what should i do to fix this?


if fuel is not getting into the venturi of the carberettor, the top needs to be removed and look at the needle and seat assembly to determine whether or not the valve itself is sticking or there is something caught in the way. the needle and seat assembly will be a little brass piece right near the fuel inlet and will have a little rocket looking device which closes and opens the inlet as neccessary. happy holidays

Dec 28, 2009 | 1982 Ford F 250

2 Answers

Gas leaks out of carb if I don't close shutoff valve. Why is this leaking? works great otherwise


The float needle valve and seat inside the carburetor float bowl needs replacing or has debris trapped in the seat. If the valve does not seat completely it will allow all the fuel in the bowl to flow into the cylinder. The valve stops the flow of fuel once the bowl is full. When it is not seating properly the fuel will continue to flow. This is not a good thing as the fuel will enter the crankcase and mix with the oil. This will eventually damage the engine bearings. You can purchase a needle valve and seat assembly to repair it. Here is what a typical unit looks like. f6f2911.png

Dec 15, 2009 | Cars & Trucks

4 Answers

Fuel pump is punping gas to carburetor....but truck will not start or run unless gas is sprayed into carb manually


your float in your carb is stuck or you can have a filter in the inlet side of you carb that is plugged

Oct 14, 2009 | 1987 Toyota Pickup

1 Answer

Where is the PVC valve 3800 engine


Where is the PVC valve? Standing in Front of the car it is on the left side of the air plenum. Unscrew the oil filler tube and remove the plastic engine cover. There is a sensor on the left side of the plenum. This sensor senses when the PVC valve is open/closed. Don't bother disconnecting the connector or the piece the connector plugs into. Simply twist the whole plastic assembly clockwise = yes clockwise while pressing downward to release the assembly. There is a spring underneath so don't let it pop up. With the assembly out of the way grab the PVC valve with a pair of needle nose pliers, wriggle the valve out. If the o-ring is ok put it on the new PVC valve. Drop the valve in place making sure it seats on the o-ring. Look at the bottom of the assembly to see how the slots line up with the tabs. Slip the slots down over the tabs compressing the spring and twist counter-clockwise. Replace the plastic engine cover, Done!

Oct 13, 2009 | 2000 Buick LeSabre

1 Answer

Lifter noise.


since the 4.2L is a push rod engine, you have the 4.6L or 5.4L which the valve train system is the same. The lifter can be removed without removing the camshaft by using two special tools that can be purchased from any tool house that sells special tools in your area. Tool 1 is a spacer to prevent the valve from traveling too far (damage to seal), Tool 2 is a valve spring compressor, that uses the camshaft as a fulcrum to depress the valve and spring enough to remove the rocker assembly, use a plastic pen to determine piston location before using the compressor tool, you want the piston approximately 1-2 inches below TDC, once the rocker assembly is removed the lifter can be pulled out the top. It is very improtant that the rockers and lifters be kept together by location (ie. exhaust number 3 rocker and lifter together) and installed back in thier original positions. If you can not get the special tools, then the only other option is to remove the cams. Hope this helps, let me know

Jun 01, 2009 | 2004 Ford F150

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