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HOMESERVICE MANUALSACURA2008TSX STANDARDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISVARIABLE VALVE TIMING AND LIFT ELECTRONIC CONTROL (VTEC) WITH VTCVTC OIL CONTROL SOLENOID VALVE REMOVAL/TEST/INSTALLATION
2008 Acura TSX Standard

VTC Oil Control Solenoid Valve Removal/Test/Installation

2008 Acura TSX StandardSECTION VTC Oil Control Solenoid Valve Removal/Test/Installation
  1. Disconnect the VTC oil control solenoid valve 2P connector (A).
    Fig 1: VTC Oil Control Solenoid Valve 2P Connector w/Torque Specification
    G05490736Courtesy of AMERICAN HONDA MOTOR CO., INC.
  2. Remove the bolt (B) and the VTC oil control solenoid valve (C).
  3. Check the VTC oil control solenoid valve for sticking and the solenoid valve filter for clogging. If the valve is stuck or clogged, replace the VTC oil control solenoid valve.
  4. Check clearance between the port (advance side) and the valve. Make sure the valves (A) closes fully.

    Closed 

    Fig 2: Identifying Valve
    G05490737Courtesy of AMERICAN HONDA MOTOR CO., INC.
  5. Connect the battery positive terminal to VTC oil control solenoid valve 2P connector terminal No. 2.
    Fig 3: Connecting Battery Positive Terminal To VTC Oil Control Solenoid Valve 2P Connector Terminal No. 2
    G05490738Courtesy of AMERICAN HONDA MOTOR CO., INC.
  6. Connect the battery negative terminal to VTC oil control solenoid valve 2P connector terminal No. 1. Clearance (A) should be at least 1.2 mm (0.05 in.). If the valve does not open, replace it, then go to step 7.

    Open 

    Fig 4: Connecting Battery Negative Terminal To VTC Oil Control Solenoid Valve 2P Connector Terminal No. 1
    G05490739Courtesy of AMERICAN HONDA MOTOR CO., INC.
  7. Remove the VTC valve O-rings (A).
    Fig 5: VTC Valve O-Ring w/Torque Specification
    G05490740Courtesy of AMERICAN HONDA MOTOR CO., INC.
  8. Coat a new O-ring with engine oil, then install it on the valve.
  9. Clean and dry the mating surface of the valve.
  10. Install the valve.
    NOTE: Do not install the valve while wearing fibrous cloth gloves. Be careful not to contaminate the cylinder head opening.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.