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, 7.4 W, AUTOMATIC, 475/M40REPAIR AND DIAGNOSIS (SINGLE PAGE)ENGINE PERFORMANCESPECIFICATIONSE2ME 2-BBL SPECIFICATIONCARBURETOR SPECIFICATIONS3.8L V6, (VIN 9) CARBURETOR NO. 17083130
1984 GMC Value Van P3500, 7.4 W, Automatic, 475/M40
3.8L V6, (VIN 9) Carburetor No. 17083130
1984 GMC Value Van P3500, 7.4 W, Automatic, 475/M40SECTION 3.8L V6, (VIN 9) Carburetor No. 17083130
3.8L V6, (VIN 9) CARBURETOR NO. 17083130
| Application | Specification | ||||
|---|---|---|---|---|---|
| Engine | |||||
| TPS | .51 Volts, ISC retracted at slow idle. | ||||
| ISC | |||||
| Min. | 475, In Drive. | ||||
| Max. | 750, In Drive. | ||||
| Idle Mixture (1) | |||||
| Lean Screw | 1.304 | ||||
| Idle Screw | 1 1/4 | ||||
| Vacuum Break | |||||
| Primary | 27° | ||||
| Secondary | N/A | ||||
|
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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.