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Home >> Chevrolet >> 1986 >> Astro Van M V6-262 4.3L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Coil >> Service and Repair
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Ignition Coil: 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.



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