2002 Chevrolet Impala Intake Manifold Replacement
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Removal Procedure 1. Disconnect the negative battery cable. 2. Remove the vacuum hoses from the following: Fuel pressure regulator Evaporative Emissions (EVAP) canister purge valve Manifold vacuum source Brake booster Heater and air conditioning source 3. Disconnect the electrical connectors from the following: Exhaust gas recirculation (EGR) valve Mass Air Flow (MAP) sensor Intake Air Temperature (IAT) sensor Idle Air Control (IAC) valve Throttle Position (T/P) sensor Evaporative Emission (EVAP) canister purge valve 4. Remove the air cleaner intake duct. 5. Drain the cooling system. 6. Remove the accelerator control and cruise control cables with bracket from the throttle body. 7. Remove the left side spark plug wires from the spark plugs. 8. Remove the following wiring harnesses from the retainers: Camshaft Position (CMP) sensor wiring harness Left side spark plug wire harness Engine wiring harness 9. Remove the thermostat bypass pipe coolant hoses (3,4) from the throttle body. 10. Remove the ignition coil bracket with the coils. 11. Remove the EVAP canister purge valve. 12. Remove the Manifold Absolute Pressure (MAP) sensor and the bracket.
Removal Procedure 1. Disconnect the negative battery cable. 2. Remove the vacuum hoses from the following: Fuel pressure regulator Evaporative Emissions (EVAP) canister purge valve Manifold vacuum source Brake booster Heater and air conditioning source 3. Disconnect the electrical connectors from the following: Exhaust gas recirculation (EGR) valve Mass Air Flow (MAP) sensor Intake Air Temperature (IAT) sensor Idle Air Control (IAC) valve Throttle Position (T/P) sensor Evaporative Emission (EVAP) canister purge valve 4. Remove the air cleaner intake duct. 5. Drain the cooling system. 6. Remove the accelerator control and cruise control cables with bracket from the throttle body. 7. Remove the left side spark plug wires from the spark plugs. 8. Remove the following wiring harnesses from the retainers: Camshaft Position (CMP) sensor wiring harness Left side spark plug wire harness Engine wiring harness 9. Remove the thermostat bypass pipe coolant hoses (3,4) from the throttle body. 10. Remove the ignition coil bracket with the coils. 11. Remove the EVAP canister purge valve. 12. Remove the Manifold Absolute Pressure (MAP) sensor and the bracket.
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