Question about 1987 Chrysler Fifth Avenue

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I need an exploded view of the carburetor so I can attempt to rebuild it. My throttle sticks, my choke plate stays open, & there's something wrong with my air/gas mixture. It will start every now & then, but quickly choke & die.

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You will need a rebuild kit,avail at the auto part store.
It will have the complete exploded views and all you will need to make the proper adjustments
You will need a vacuum gauge to set it up, when it is back on the car
Also, you will need to have a timing light to check that.
I would replace the float,which is separate from the rebuild kit
I would work on the choke issues first. You may be able to adjust it or just buy those pieces

Posted on May 05, 2010

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How to adjust automatic choke


Procedure #1-
  1. Be sure the hook on the bimetallic spring contacts the choke shaft lever.
  2. Install the cover and retainer and lightly tighten the screws.
  3. Turn the ceramic element to align the mark on it with the middle mark on the housing.
~~~ Procedure #2-
  1. The engine must be cold to make this adjustment.
  2. Remove the air cleaner.
  3. Find the automatic choke. It's the round thing on the upper right-hand of the carburetor. There is a wire coming to it from the positive side of the coil.
  4. Note: The automatic choke is a round ceramic thing with the heating element wound inside of it. (The ceramic part may be covered with metal so that it looks just like the rest of the carburetor.) The choke is held in position by a triangular ring clamp and three screws so it can be loosened and rotated for adjustment.
  5. Pull the throttle arm on the left side of the carburetor down to free the little step arm (cam) that the screw at the top of the throttle lever rests on.
  6. Note: This stepped "cam" is connected to the butterfly valve inside the throat of the carburetor by a shaft that extends all the way into the automatic choke. With the engine cold, the butterfly valve should be closed. As the engine warms up, the coil inside the automatic choke uncoils, opens the butterfly valve, and moves the cam to reduce the idle speed.
  7. Release the throttle arm so that the return spring snaps it back. The little screw at the top of the throttle arm (again, with the engine cold) should now rest on the top step of the stepped cam. This sets the hi-idle, which is needed together with the choke on a cold engine to provide sufficient idle speed to keep the engine running until it warms up fully.
  8. Loosen the three screws on the right side that hold the choke in place.
  9. Keep your eye on the butterfly valve in the carburetor throat.
  10. Turn the choke element clockwise (viewed from the right) until the butterfly is standing straight up, then turn the choke counterclockwise (viewed from the right) until the choke butterfly fully closes (barely -- not too tightly), then tighten the three screws that hold the choke in place.
  11. Note: This is important; the automatic choke may be assembled wrong and not catching the hook on the coil spring at all.
  12. Start the engine with the air cleaner off. As the engine warms up, make sure that the butterfly opens until it is standing straight up (full open) when the engine is fully warm. If it doesn't, readjust the choke until you get it right.
  13. Note: The engine is now warm, so you won't be able to adjust the choke per the foregoing. Note the position of the notch on the side of the choke relative to the three little ridges on the body of the carburetor. If the butterfly is too far closed with the engine warm, turn the choke clockwise just a bit to straighten it up. The notch on the choke should never be too far outside of the three ridges on the body of the carburetor. If you are not able to adjust the choke using these method, something may be sticking, or perhaps the coil spring inside the canister is broken, or perhaps the wire has fallen off of the contact on the canister so that it is not getting power from the battery properly.

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How do I stop my gas pedal from sticking? (1998 deville)


Clean the throttle body/carburetor. Clean where the plates set in the body. Front and back.

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How do you hook up the choke to carburetor?


Newer cars do not have carburetors. If your enigne has one, the "choke" plate is the topmost flapper-looking thing on the carburetor. Benath that is the throttle plate, which moves whent he acceprator pedal is pressed. The choke shoudlbe closed automatically when the engine is cold. If thengine is warm, the choke plate should be slightly closed. The engine design includes the necessary mechanism to operate the choke funtion automatically. If that has failed you can choose to repalce whatever is broken or cobble together a "throttle cable" to it so you can manually operate the choke function form the driver's seat. In the old days the cable would be secured to the dash justy above your left knee. Doubtful you will find such a "choike kit" in the autp parts stores these days sicne there are so few carburated engines around, but you should now have an idea as to what to do.

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Very high idle after rebuilt carburetor on Chevy 250 l6. Choke is okay, no fuel leaks. Engine races at about 3000 rpm


Sounds to me like the throttle plate is too far open at idle. Look for something hanging up and holding the throttle more open that it should be-like the choke like the auto choke or the fast idle cam screw set to far in. Look up the fast idle speed adjust procedure in the books and check out how yours is set up. Also, if the carb was all the way apart the throttle plate may be off center on the throttle plate shaft causing extra air to bypass the throttle plate. Good luck.

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Wide open as in wide open throttle?? You mean the engine is racing? Something is wrong with the throttle controls, or the throttle valve in the carburetor may be sticking open. Look down the carb throat. At its base will be the throttle valves-"butterfly" valves just like the choke valve on top of carb. The throttle valve should be closed at rest, or at idle, or when gas pedal is not moved. Rotate the throttle lever on the carburetor by hand (when gas pedal is pressed down, the throttle is rotated). The throttle valve at the bottom of the carb should open and close with the throttle lever.
If the valve is sticking, spray some carburetor cleaner down it, and spray the outside clean, too. Work the throttle back and forth to make sure it is free to move.
For a high idle, have the carburetor adjusted. Timing should be checked, too-that can cause a high idle, but wouldn't cause it to go wide open.
Let us know what you find. Good luck.

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My 1983 toyota pickup carburetor flap wont close and it is letting in more air then fuel, so it dies when ideling. how can i fix this?


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How to rebuild a 22r carburetor


This Carb was using in Toyotas (i.e. 87 PickUp), according with this, check this removal ans installing ptocedure.

1 Disconnect the negative battery cable.
2 Loosen the radiator drain plug and drain the coolant into a suitable container.
3 Unscrew the mounting screws and remove the air filter housing. Disconnect all hoses and lines leading from the air cleaner.
4 Tag and disconnect all fuel, vacuum, coolant and electrical lines or hoses leading from the carburetor.
5 Disconnect the accelerator linkage from the carburetor. On cars equipped with an automatic transmission, disconnect the throttle cable linkage running from the transmission.
6 Remove the four carburetor mounting bolts and lift off the carburetor and its gasket.
Cover the manifold opening with a clean rag to prevent anything from falling into the engine.

7 Install the carburetor (with a new gasket), tighten the mounting bolts EVENLY in steps and reconnect all linkage.
8 Start the engine and check for any leaks. Check the float level.

10_7_2011_8_05_35_pm.jpg

Fig. Exploded view of the carburetor-22R engine (click THIS LINK for zoom)
In addition, I suggest visit THIS LINK for other details.

Hope this helps (remember to rating this free answer).

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