Removal Procedure
Important: The intake manifold, throttle body, fuel rail, and injectors may be removed as an assembly. If not servicing the individual components, remove the manifold as a complete assembly.
- Disconnect the negative battery cable. Refer to 
Battery Negative Cable Disconnection and Connection
 .
 
- Relieve the fuel system pressure. Refer to 
Fuel Pressure Relief
 .
 
- Disconnect the engine wiring harness electrical connector (3) from the air conditioning (A/C) compressor pressure switch.
 
- Disconnect the engine harness wiring harness electrical connector (1) from the mass air flow (MAF) intake air temperature
(IAT) sensor.
 
- Disconnect the engine wiring harness electrical connector (1) from the electronic throttle control
(ETC).
 
- Remove the right side connector position assurance (CPA) retainer (4) from the engine wiring harness main ignition coil electrical connector.
 
- Disconnect the right side engine wiring harness electrical connector (3) from the main ignition coil electrical connector.
 
- Disconnect the right side engine wiring harness electrical connectors (2) from the fuel injectors.
 
- Perform the following steps in order to disconnect the fuel injector electrical connectors.
 
| 9.1.  | Mark the connectors to their corresponding injectors to ensure correct reassembly. | 
 
| 9.2.  | Pull the connector position assurance (CPA) retainer (2) on the connector up one click. | 
 
| 9.3.  | Push the tab (1) on the connector in. | 
 
| 9.4.  | Disconnect the fuel injector electrical connector. | 
 
| 9.5.  | Repeat the steps for each injector electrical connector. | 
 
- Remove the left side CPA retainer (3) from the engine wiring harness main ignition coil electrical
connector.
 
- Disconnect the left side engine wiring harness electrical connector (2) from the main ignition coil electrical connector.
 
- Disconnect the left side engine wiring harness electrical connectors (1) from the fuel injectors.
 
- Perform the following steps in order to disconnect the fuel injector electrical connectors.
 
| 13.1.  | Mark the connectors to their corresponding injectors to ensure correct reassembly. | 
 
| 13.2.  | Pull the connector position assurance (CPA) retainer (2) on the connector up one click. | 
 
| 13.3.  | Push the tab (1) on the connector in. | 
 
| 13.4.  | Disconnect the fuel injector electrical connector. | 
 
| 13.5.  | Repeat the steps for each injector electrical connector. | 
 
- Disconnect the engine wiring harness electrical connector from the generator.
 
- Disconnect the engine wiring harness electrical connector (1) from the
manifold absolute pressure (MAP) sensor.
 
- Disconnect the engine wiring harness electrical connector (2) from the evaporative emission (EVAP) canister purge solenoid valve.
 
- Remove the positive crankcase ventilation (PCV) hose.
 
- Remove the EVAP purge solenoid vent tubes (1, 2). Refer to 
Plastic Collar Quick Connect Fitting Service
 .
 
- Disconnect the fuel feed pipe (3) from the fuel rail (2). Refer to 
Metal Collar Quick Connect Fitting Service
 .
 
- Reposition the vacuum brake booster hose clamp at the brake booster.
 
- Remove the vacuum brake booster hose from the brake booster.
 
- Remove the engine wire harness retainer nut.
 
- Reposition the upper engine wire harness aside.
 
- Remove the drive belt. Refer to 
Drive Belt Replacement - Accessory
 .
 
- Remove the right generator bolt.
 
- Loosen the left generator bolt and reposition the generator to the left.
 
- Remove the intake manifold bolts (512).
 
- Remove the intake manifold.
 
- Remove the intake manifold gaskets (514) from the intake manifold.
 
- Discard the old intake manifold gaskets.
 
- If necessary, clean and inspect the intake manifold. Refer to 
Intake Manifold Cleaning and Inspection
 .
 
Installation Procedure
- Install NEW intake manifold gaskets (514) to the intake manifold.
 
- Install the intake manifold.
 
- Apply a 5 mm (0.2 in) bead threadlock to the threads of the intake manifold bolts. Refer to 
Adhesives, Fluids, Lubricants, and Sealers
.
 
Notice: Refer to Fastener Notice in the Preface section.
- Install the intake manifold bolts.
 
Tighten
- Tighten the bolts a first pass in sequence to 5 N·m (44 lb in).
 
- Tighten the bolts a final pass in sequence to 10 N·m (89 lb in).
 
- Position the generator and install the right generator bolt.
 
- Tighten the left generator bolt.
 
Tighten
Tighten the bolts to 50 N·m (37 lb ft).
- Install the drive belt. Refer to 
Drive Belt Replacement - Accessory
 .
 
- Route the electrical harness into position over the engine.
 
- Install the engine harness bracket nut.
 
Tighten
Tighten the nut to 10 N·m (89 lb in).
- Install the vacuum brake booster hose to the brake booster.
 
- Position the vacuum brake booster hose clamp at the brake booster.
 
- Connect the fuel feed pipe (3) to the fuel rail (2). Refer to 
Metal Collar Quick Connect Fitting Service
 .
 
- Install the EVAP purge solenoid vent tubes (1, 2). Refer to 
Plastic Collar Quick Connect Fitting Service
 .
 
- Install the PCV hose.
 
- Connect the engine wiring harness electrical connector (1) to the MAP sensor.
 
- Connect the engine wiring harness electrical connector (2) to the EVAP canister purge solenoid valve.
 
- Connect the engine wiring harness electrical connector to the generator.
 
- Connect the left side engine wiring harness electrical connector (2) to the main ignition coil electrical
connector.
 
- Install the left side CPA retainer (3) to the engine wiring harness main ignition coil electrical connector.
 
- Connect the left side engine wiring harness electrical connectors (1) to the fuel injectors.
 
- Perform the following steps in order to connect the fuel injector electrical connectors:
 
| 21.1.  | Install the connectors to their corresponding injectors to ensure correct reassembly. | 
 
| 21.2.  | Connect the fuel injector electrical connector. | 
 
| 21.3.  | Push the CPA retainer (2) on the connector in one click.  | 
 
| 21.4.  | Repeat the steps for each injector electrical connector. | 
 
- Connect the engine wiring harness electrical connector (1) to the ETC.
 
- Connect the right side engine wiring harness electrical connector (3) to the main ignition coil electrical connector.
 
- Install the right side CPA retainer (4) to the engine wiring harness main ignition coil electrical connector.
 
- Connect the right side engine wiring harness electrical connectors (2) to the fuel injectors.
 
- Perform the following steps in order to connect the fuel injector electrical connectors:
 
| 26.1.  | Install the connectors to their corresponding injectors to ensure correct reassembly. | 
 
| 26.2.  | Connect the fuel injector electrical connector. | 
 
| 26.3.  | Push the CPA retainer (2) on the connector in one click.  | 
 
| 26.4.  | Repeat the steps for each injector electrical connector. | 
 
- Connect the engine harness wiring harness electrical connector (1) to the MAF/IAT sensor.
 
- Connect the engine wiring harness electrical connector (3) to the A/C compressor pressure switch.
 
- Install the fuel fill cap.
 
- Connect the negative battery cable. Refer to 
Battery Negative Cable Disconnection and Connection
 .
 
- Use the following procedure in order to inspect for leaks:
 
| 31.1.  | Turn the ignition ON, with the engine OFF, for 2 seconds. | 
 
| 31.2.  | Turn the ignition OFF for 10 seconds. | 
 
| 31.3.  | Turn the ignition ON, with the engine OFF. | 
 
| 31.4.  | Inspect for fuel leaks. |