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Home >> Jeep >> 1983 >> Cherokee Base, 4.2 C, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Carburetor - Carter BBD 2-Bbl >> Overhaul >> Disassembly >> All Models

All Models

  1. Place carburetor on a repair stand, and remove stepper motor if equipped. Remove retaining clip from accelerator pump arm link and remove link.
  2. Remove cover and gasket from top of air horn. Remove screws and locks from accelerator pump arm and vacuum piston rod lifter. Slide pump lever out of air horn. Remove pump arm and rod lifter.
  3. Lift vacuum piston and step-up rods up and out of air horn as an assembly. Remove the vacuum piston spring. Remove choke vacuum diaphragm hose. Disconnect clips and remove link from choke housing lever and choke lever.
  4. Remove screw and lever from choke shaft. Remove choke diaphragm, linkage, and bracket assembly. Remove fast idle cam retaining screw. Remove fast idle cam, choke link, and clip. On Jeep vehicles, grind heads off of torque-head screws. Remove choke cover assembly and housing from throttle body. Remove remaining portion of screws with locking pliers.
  5. Remove screws securing air horn and lift air horn up and away from main body. Discard gasket. Turn air horn upside-down and compress accelerator pump drive spring. Remove "S" link from pump shaft. Remove pump assembly.
  6. Remove fuel inlet needle valve, seat and gasket from main body. Carefully lift out float fulcrum pin retainer and baffle. Lift out floats and fulcrum pin. Remove the main metering jets.
  7. Remove venturi cluster screws. Lift cluster and gaskets away from main body and discard gaskets. DO NOT  remove idle orifice tubes or main vent tubes from cluster as they can be cleaned with solvent and dried with compressed air while assembled.
  8. Turn carburetor upside-down and catch accelerator pump discharge and intake check balls as they fall out.
  9. On Jeep vehicles, turn idle limiter caps to stop. Remove plastic caps from idle air mixture screws. Be sure to count number of turns it takes to seat screws to ease reassembly adjustment.
  10. On all vehicles, remove screws and springs from throttle body.
  11. Remove screws and separate throttle body from main body. Discard gasket. Check choke plate in air horn for freedom of movement. If any sticking or binding is evident, clean thoroughly.
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