Intake Manifold: Removal

Remove the clip (A), lift the front of the collector cover in the direction of arrow, and then remove the collector cover.

Fig 1: Removing Front Collector Cover
Courtesy of SUBARU OF AMERICA, INC.
Release the fuel pressure. < Ref. to RELEASING OF FUEL PRESSURE , PROCEDURE, Fuel. >
Disconnect the ground cable from battery.
Open the fuel filler lid and remove the fuel filler cap.
Lift up the vehicle.
Remove the under cover. < Ref. to REMOVAL , Front Under Cover. >
Drain approximately 3.0 L (3.2 US qt, 2.6 Imp qt) of coolant. < Ref. to DRAINING OF ENGINE COOLANT , REPLACEMENT, Engine Coolant. >
Remove the intercooler. < Ref. to REMOVAL , Intercooler. >
Remove the intake duct No. 2. < Ref. to REMOVAL , Intake Duct. >
Remove the intake duct No. 3. < Ref. to REMOVAL , Intake Duct. >
Disconnect the PCV hose from the PCV valve.

Fig 2: Locating PCV Hose Clamp
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the connector (A) from the throttle body, and disconnect the preheater hose (B) from the throttle body.

Fig 3: Identifying Preheater Hose Clips
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Remove the clip, and disconnect the brake booster vacuum hose from the intake manifold.

Fig 4: Locating Brake Booster Vacuum Hose Clip
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Remove the clips securing the PCV pipe and generator cord to the intake manifold.

Fig 5: Locating PCV Pipe Clips
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Disconnect the vacuum control hose and vacuum hose from the vacuum pipe assembly.

Fig 6: Locating Vacuum Control Hose And Vacuum Hose
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Disconnect two vacuum hoses from the canister pipe.

Fig 7: Locating Canister Pipe Vacuum Hoses
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Disconnect the connector from the purge control solenoid valve.

Fig 8: Locating Purge Control Solenoid Valve Connector
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Disconnect the connector from the manifold absolute pressure and intake air temperature sensor.

Fig 9: Locating Manifold Absolute Pressure And Intake Air Temperature Sensor Connector
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Disconnect the connector (A) from the tumble generator valve LH, and remove the bolt securing the fuel pipe protector to the intake manifold.
Disconnect the connector (B) from the tumble generator valve RH.

Fig 10: Identifying Tumble Generator Valve Connector LH And RH
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Remove the engine harness clip from the intake manifold.

Fig 11: Locating Intake Manifold Engine Harness Clip
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Remove the bolt securing the EGR pipe to the EGR valve.

Fig 12: Locating EGR Pipe Bolts
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Disconnect the fuel delivery tube and evaporation hose.
CAUTION:
- Be careful not to spill fuel.
- Catch the fuel from the tubes using a container or cloth.
1. Disconnect the quick connector on the fuel delivery tube from the fuel pipe assembly, and remove the clip (A) securing the fuel delivery tube.
  NOTE: Disconnect the quick connector as shown in the figure.
  
  Fig 13: Disconnecting Quick Connector
  Courtesy of SUBARU OF AMERICA, INC.
  
  Fig 14: Locating Quick Connector
  Courtesy of SUBARU OF AMERICA, INC.
2. Disconnect the evaporation hose from the fuel pipe assembly.
  
  Fig 15: Locating Fuel Pipe Assembly Evaporation Hose
  Courtesy of SUBARU OF AMERICA, INC.
Remove the bolts securing the fuel pipe assembly to the intake manifold.

Fig 16: Locating Fuel Pipe Assembly Bolts
Courtesy of SUBARU OF AMERICA, INC.
Disconnect the fuel delivery pipe (A) and vacuum hose (B), and remove the fuel pipe assembly.
CAUTION:
- Be careful not to spill fuel.
- Catch the fuel from the pipes using a container or cloth.
NOTE: Disconnect the quick connector as shown in the figure.

Fig 17: Disconnecting Quick Connector
Courtesy of SUBARU OF AMERICA, INC.

Fig 18: Locating Quick Connector
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Remove the intake manifold from the cylinder head together with the tumble generator valve assembly.

Fig 19: Locating Intake Manifold Mounting Bolts
Courtesy of SUBARU OF AMERICA, INC.
Remove the vacuum hose assembly from the cylinder block.

Fig 20: Locating Cylinder Block Vacuum Hose Assembly
Courtesy of SUBARU OF AMERICA, INC.