Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSGMC1984VALUE VAN P3500, 6.2 J, AUTOMATIC, 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMCARBURETOR - ROCHESTER E4ME 4-BBLADJUSTMENTSSOLENOID LEAN MIXTURE SCREW
1984 GMC Value Van P3500, 6.2 J, Automatic, 475/M40
Solenoid Lean Mixture Screw
1984 GMC Value Van P3500, 6.2 J, Automatic, 475/M40SECTION Solenoid Lean Mixture Screw
(BENCH ADJUSTMENT)
NOTE:
This is a preliminary adjustment only. It is required to ensure that lean mixture screw is set close to specifications prior to final adjustment. Final adjustment must be made with carburetor installed and engine running. See appropriate TUNE-UP article.
RENDER: 1.0x
NO RELATED
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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.