ROCHESTER E4MC & E4ME 4-Barrel: Overhaul: Reassembly

Reassemble carburetor in reverse order of disassembly, noting the following:

1. The intermediate choke shaft lever and fast idle cam are assembled correctly when tang and lever are below fast idle cam.
2. When installing float and retaining pin, insert with end of loop of pin facing pump well. Fuel inlet needle pull clip should be over edge of flat on float arm. Do not hook clip into holes in float arm.
3. When installing mixture control solenoid, make sure pin on end of solenoid aligns with hole in raised boss at bottom of float bowl.
4. When installing mixture control solenoid screw, turn it in clockwise until it lightly seats. Back screw off the number of turns recorded during disassembly.
   NOTE: Do not force mixture control solenoid screw to bottom, as screw or seat could be damaged.
5. When installing idle air bleed valve (if removed), turn valve clockwise until it is lightly seated. On valves without identification letter, back screw out 2 turns. On valves with identification letter, back screw out number of turns recorded during disassembly. Final adjustments must be made on vehicle.
   NOTE: If choke thermostatic cover and coil assembly was removed, it will be necessary to install a new service rivet kit.
6. Place fast idle screw on high step of fast idle cam. Install choke coil cover if removed, aligning notch in cover with tab on cover retainer (supplied in service kit). Be sure coil tang engages pick-up lever. Install blind rivets.
   NOTE: On E4ME models, ground contact for electric choke is provided by metal plate located at rear of choke cover assembly. Do not install choke cover gasket between electric choke and housing.
7. Install air horn screws and tighten evenly, securely and in sequence shown in Fig 1.
   Fig 1: Air Horn Screw Tightening Sequence

   Courtesy of GENERAL MOTORS COMPANY