REMOVE THROTTLE BODY ASSEMBLY
DISCHARGE FUEL SYSTEM PRESSURE
DISCONNECT INLET HEATER WATER HOSE
Disconnect the inlet heater water hose.
DISCONNECT OUTLET HEATER WATER HOSE
Disconnect the outlet heater water hose.
REMOVE VACUUM SWITCHING VALVE ASSEMBLY (for ACIS)
Disconnect the union to connector tube hose and wire harness clamp.
Disconnect the 2 vacuum hoses and connector.
Remove the bolt and vacuum switching valve assembly.
DISCONNECT NO. 2 VENTILATION HOSE
Disconnect the No. 2 ventilation hose from the intake manifold.
REMOVE UNION TO CONNECTOR TUBE HOSE
Remove the union to connector tube hose from the intake manifold.
REMOVE FUEL DELIVERY PIPE SUB-ASSEMBLY
Remove the 2 bolts, and then remove the fuel delivery pipe together with the 4 fuel injectors.
Note
Be careful not to drop the fuel injectors when removing the fuel delivery pipe.
Remove the 2 fuel delivery spacers from the cylinder head.
Remove the 4 injector vibration insulators from the cylinder head.
REMOVE INTAKE MANIFOLD
Remove the 2 bolts and 2 wire harness clamp brackets.
Disconnect the fuel vapor feed hose and vacuum hose.
Disconnect the wire harness clamp and connector.
Remove the bolt and wire harness clamp bracket.
Apply battery voltage to the terminals of the connector to close the tumble control valves.
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Note
If this procedure is not performed, the tumble control valves may be damaged when the intake manifold is removed.
Apply battery voltage for 1 to 3 seconds.
If battery voltage is applied for more than 3 seconds, the actuator may be damaged.
Do not allow the lead wires to contact the other terminals.
Remove the bolt and separate the wire harness.
Disconnect the 2 wire harness clamps and intake air control valve actuator connector.
Remove the 6 bolts and intake manifold.
Note
The tumble control valves may be damaged if they are not closed before removing the intake manifold.
Tech Tips
Connect the battery to the terminals of the actuator to operate the motor and close the valves Click here.
Remove the intake manifold gasket from the intake manifold.
Disconnect the 2 vacuum hoses from the intake manifold and remove the check valve.
Remove the bolt and wire harness clamp bracket.