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Carburetor - ROCHESTER M4M Series 4-Bbl
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Carburetor - ROCHESTER M4M Series 4-Bbl
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Component Testing
Application
4.3L V6
5.0L V8
5.7L V8
7.4 V8
Identification
Description
Adjustment
Notes
Choke Valve Gauge
Vacuum Diaphragms
Float Level - Dry
General Motors
Float Level - Wet
Accelerator Pump
General Motors
Choke Coil Lever
Fast Idle Cam Position
Air Valve Rod - Front
General Motors
Air Valve Rod - Rear
Primary (Front) Vacuum Break
General Motors
Secondary (Rear) Vacuum Break
Air Valve Spring
Choke Unloader
Secondary Throttle Valve Lock-Out
Lock-Out Lever Side Clearance
Lock-Out Lever Opening Clearance
Overhaul
Disassembly
Vacuum Break Assemblies
Air Horn
Float Bowl
Throttle Body
Cleaning & Inspection
Reassembly
Specifications