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HOMESERVICE MANUALSCHEVROLET1985SUBURBAN C10, 6.2 CREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMCARBURETOR - ROCHESTER E4ME & E4MED 4-BBLOVERHAULREASSEMBLY
1985 Chevrolet Suburban C10, 6.2 C

Carburetor - ROCHESTER E4ME & E4MED 4-Bbl: Overhaul: Reassembly

1985 Chevrolet Suburban C10, 6.2 CSECTION Reassembly
NOTE: Use new gaskets and seals. Make sure that new gaskets fit correctly and that all holes and slots are punched through and correctly located.

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 on lever is beneath fast idle cam.
  2. When installing float and retaining pin, make sure open end of float retaining pin faces accelerator pump well.
  3. When installing fuel inlet valve, hook pull clip over edge of flat on float arm. DO NOT  hook clip in holes in float arm.
  4. When installing mixture control solenoid, make sure pin on end of solenoid aligns with hole in raised boss at bottom of float bowl. After assembly perform mixture control solenoid travel adjustment. See ADJUSTMENTS  in this article.
  5. When installing idle air bleed valve, lightly coat 2 new "O" ring seals with automatic transmission fluid. Thick seal goes in upper groove and thin seal goes on lower groove. Adjust air bleed valve. See ADJUSTMENTS  in this article.
    NOTE: If choke coil cover was removed, it will be necessary to install service rivet retaining kit. Before installing cover, place fast idle screw on high step of fast idle cam. Align notch in cover with raised boss on housing cover flange and install rivets.
  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: 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. NOTE: Screws 1 and 2 are countersunk next to venturi.
  7. Install air horn screws and tighten evenly, securely and in sequence shown. See Fig 1 .
Fig 1: Air Horn Screw Tightening Sequence
G8687
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.