LEMON Manuals: Even more car manuals for everyone
Home >> Buick >> 2015 >> Regal GS, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (Engine Mechanical - 2.4L) >> Repair Instructions - On Vehicle >> Intake Manifold Replacement (LEA) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Recover the A/C system. Refer to Refrigerant Recovery and Recharging .
  2. Relieve the fuel system pressure. Refer to Fuel Pressure Relief (High Side) .
  3. Remove the air cleaner outlet duct. Refer to Air Cleaner Assembly Replacement .
    4. Fig 1: Intake Manifold Cover
    GM2679921Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Never attempt to remove the intake manifold from a hot engine, allow the engine to cool to ambient temperature. The intake manifold can be damaged if it is removed when the engine is hot.

  4. Remove the intake manifold cover (1). Refer to Intake Manifold Cover Replacement 
    5. Fig 2: EVAP Canister Valve, Tube & MAP Sensor
    GM2206985Courtesy of GENERAL MOTORS COMPANY
  5. Remove the evaporative (EVAP) emission canister valve tube (1) from the intake manifold and reposition.
  6. Remove the MAP sensor (3) electrical connector.
    7. Fig 3: Throttle Body
    GM2206986Courtesy of GENERAL MOTORS COMPANY
  7. Remove the throttle body (1). Refer to Throttle Body Assembly Replacement .
    8. Fig 4: Fuel Pump Components
    GM2206988Courtesy of GENERAL MOTORS COMPANY
  8. Remove the fuel pump cover (3) and insulator (2). Refer to Fuel Pump Cover Replacement .
    9. NOTE:

    The low pressure fuel pipe used is model dependent.

  9. Disconnect and reposition the low pressure fuel feed pipe from the fuel pump. Refer to Metal Collar Quick Connect Fitting Service .
    10. Fig 5: Fuel Rail Harness Connector Bracket And Intake Manifold Insulator
    GM2512856Courtesy of GENERAL MOTORS COMPANY
  10. Remove the fuel rail harness connector bracket bolt (1) and intake manifold insulator bolt.
  11. Remove the intake manifold insulator (2).
    12. Fig 6: Compressor Hose At Compressor
    GM2256860Courtesy of GENERAL MOTORS COMPANY
  12. Remove the A/C line nut (1) and line (2) from the compressor and reposition the line to the side.
    13. Fig 7: Intake Manifold Retaining Nuts And Studs
    GM2632242Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Removing studs allows the intake manifold to be removed without removing the fuel pump.

  13. Remove the intake manifold retaining nuts (1), studs (3), and bolts (2).
  14. Remove the intake manifold (1).
  15. Disconnect electrical connectors as necessary.
  16. Transfer parts as necessary.
  17. If reusing the intake manifold, clean and inspect as necessary. Refer to Intake Manifold Cleaning and Inspection (LEA, or LUK) .
scientia non olet · About LEMON Manuals