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.
SYS.OK|MANUAL.DB● LIVE
HOMESERVICE MANUALSGMC1984PICKUP C2500, 2D PICKUP, 5.7 LREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISCARBURETOR - ROCHESTER E4ME 4-BBLSPECIFICATIONS
1984 GMC Pickup C2500, 2D Pickup, 5.7 L
Carburetor - ROCHESTER E4ME 4-Bbl: Specifications
1984 GMC Pickup C2500, 2D Pickup, 5.7 LSECTION Specifications
CARBURETOR ADJUSTMENT SPECIFICATIONS
| Application (Carb. No.) | Specification | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 17084507 | |||||||||
| Float Level | 14/32" | ||||||||
| Accel. Pump | (2) TR | ||||||||
| Idle Air Bleed | (3) | ||||||||
| Air Valve Spring (1) | 1 | ||||||||
| Choke Coil Lever | .120" | ||||||||
| Choke Rod | 20° | ||||||||
| Vacuum Break | |||||||||
| Primary | 25° | ||||||||
| Secondary | N/A | ||||||||
| Air Valve Rod | .025" | ||||||||
| Auto Choke | (2) TR | ||||||||
| Choke Unloader | 36° | ||||||||
| Secondary Lockout | .015" | ||||||||
| 17084509 | |||||||||
| Float Level | 14/32" | ||||||||
| Accel. Pump | (2) TR | ||||||||
| Idle Air Bleed | (3) | ||||||||
| Air Valve Spring (1) | 1 | ||||||||
| Choke Coil Lever | .120" | ||||||||
| Choke Rod | 20° | ||||||||
| Vacuum Break | |||||||||
| Primary | 25° | ||||||||
| Secondary | N/A | ||||||||
| Air Valve Rod | .025" | ||||||||
| Auto Choke | (2) TR | ||||||||
| Choke Unloader | 36° | ||||||||
| Secondary Lockout | .015" | ||||||||
| 17084525 | |||||||||
| Float Level | 14/32" | ||||||||
| Accel. Pump | (2) TR | ||||||||
| Idle Air Bleed | (3) | ||||||||
| Air Valve Spring (1) | 1 | ||||||||
| Choke Coil Lever | .120" | ||||||||
| Choke Rod | 20° | ||||||||
| Vacuum Break | |||||||||
| Primary | 25° | ||||||||
| Secondary | N/A | ||||||||
| Air Valve Rod | .025" | ||||||||
| Auto Choke | (2) TR | ||||||||
| Choke Unloader | 36° | ||||||||
| Secondary Lockout | .015" | ||||||||
| 17084527 | |||||||||
| Float Level | 14/32" | ||||||||
| Accel. Pump | (2) TR | ||||||||
| Idle Air Bleed | (3) | ||||||||
| Air Valve Spring (1) | 1 | ||||||||
| Choke Coil Lever | .120" | ||||||||
| Choke Rod | 20° | ||||||||
| Vacuum Break | |||||||||
| Primary 25° | N/A | ||||||||
| Secondary | N/A | ||||||||
| Air Valve Rod | .025" | ||||||||
| Auto Choke | (2) TR | ||||||||
| Choke Unloader | 36° | ||||||||
| Secondary Lockout | .015" | ||||||||
|
|||||||||
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.