Pages 38–47 (10 pages)

Disassembly and Service Views

From the 1973 Rochester 4M Quadrajet Carburetor Illustrations (Section 4M)

Year
1973
Models
Rochester 4M Quadrajet four-barrel carburetor (general, not by vehicle)
Pages
51

Service photographs of the bowl and air horn, including float needle retainer, metering jets and discs, pump discharge check ball and retainer, and secondary accelerating wells (figure 33). They also cover removing the choke assembly and inside choke lever, choke cover and coil, vacuum break diaphragm and bracket screws, the choke housing and coil lever, and throttle body and idle mixture screw locations.

What this section covers

  • Float needle seat, pull clip and retainer
  • Main metering jets and secondary metering discs
  • Choke rod, inside choke lever and choke assembly
  • Vacuum break diaphragm and bracket
  • Choke housing and coil lever
  • Throttle body and fast idle screws
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