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 MANUALSGMC1983VALUE VAN P2500, 6.2 J, STANDARDREPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESYSTEMCARBURETOR - ROCHESTER M4MC & M4ME 4-BBLADJUSTMENTCHOKE COIL LEVER
1983 GMC Value Van P2500, 6.2 J, Standard
Choke Coil Lever
1983 GMC Value Van P2500, 6.2 J, StandardSECTION Choke Coil Lever
NOTE:
Choke coil cover is retained on housing with rivets to prevent tampering with factory adjustment. If necessary to remove cover, refer to Disassembly and Reassembly procedures in this article. If rivets and cover are removed, a choke thermostat cover retainer kit is required for reassembly.
- Remove choke thermostatic cover from choke housing. Place fast idle speed screw on high step of fast idle cam. Push up on thermostatic coil tang (counterclockwise) until choke valve is fully closed.
- Insert specified drill or pin gauge in hole provided in choke housing. Lower edge of choke lever (inside housing) should just touch drill or pin gauge. See Fig 1.
- To adjust, bend choke rod at point shown in Fig. Fig 1. Reinstall choke cover and adjust.
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.