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 MANUALSCHEVROLET1987R 30 P/U 2WD V8-350 5.7LREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTIGNITION SYSTEMIGNITION COILSERVICE AND REPAIR
1987 Chevrolet R 30 P/U 2WD V8-350 5.7L
Ignition Coil: Service and Repair
1987 Chevrolet R 30 P/U 2WD V8-350 5.7LSECTION Service and Repair
Fig. 2 High Energy Ignition (HEI) distributor internal components. Internal coil unit shown:
Units With Internal Coil
1. Remove screws holding distributor cover to distributor cap and remove distributor cover, Fig. 2.
2. Remove four screws holding coil to cap.
3. Remove harness connector and battery wire from side of distributor cap.
4. Push coil leads out of position in cap and remove coil.
5. Reverse procedure to install.
Units With External Coil
1. Disconnect ignition switch to coil lead from coil.
2. Disconnect coil to distributor leads from coil.
3. Remove coil to engine retaining screws and remove coil.
4. Reverse procedure to install.
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.