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 MANUALSCHEVROLET1994ASTRO VAN M V6-262 4.3L VIN ZREPAIR AND DIAGNOSISRELAYS AND MODULESRELAYS AND MODULES - POWERTRAIN MANAGEMENTRELAYS AND MODULES - IGNITION SYSTEMIGNITION CONTROL MODULESERVICE AND REPAIR
1994 Chevrolet Astro Van M V6-262 4.3L VIN Z
Ignition Control Module: Service and Repair
1994 Chevrolet Astro Van M V6-262 4.3L VIN ZSECTION Service and Repair
Typical Distributor Components:
REMOVAL:
NOTE: It is not necessary to remove ignition distributor assembly from engine.
1. Remove distributor cap and rotor.
2. Remove two module attaching screws, and lift module up.
3. Disconnect leads from module. Observe color code on leads as these cannot be interchanged.
4. Remove module.
INSTALLATION:
NOTE: Do not wipe silicone grease from metal face of module or distributor base (where the module seats), when reinstalling the same module. If new module is to be installed clean distributor module base and spread new silicone grease on base and metal face of ignition module. The purpose of the silicone grease is to cool module.
1. Install module.
2. Connect leads to module.
3. Install module attaching screws. Tighten to 2 Nm (18 lb. in.)
4. Install pick up coil.
5. Install cap and rotor.
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.