Previous Next

Throttle Body

REMOVAL & INSTALLATION

  1. Disconnect the negative battery cable.
  2. Drain the coolant from the throttle body.
  3. Remove the air intake connector.
  4. Disconnect the throttle position sensor and IAC/ISC valve harness.
  5. Label and disconnect the vacuum hoses.
  6. Label and disconnect the No. 1 and No. 2 water bypass hoses.
  7. Separate the throttle, accelerator cable and bracket from the throttle body.
  8. Remove the two bolts, nuts and throttle body. Discard the gasket.

    To install:

  9. Clean and inspect the throttle body if reusing the old one. Using a soft brush and carburetor cleaner, clean the cast parts. Using compressed air, clean all the passages and apertures.

    NOTE: Do not clean the throttle position sensor or IAC/ISC valve.

  10. Place a new gasket into position and secure the throttle body nuts to 13 ft. lbs. (18 Nm).
  11. Attach the accelerator and throttle cables with bracket to the body.
  12. Install and secure the water bypass hoses.
  13. Connect the vacuum hoses.
  14. Connect the throttle position sensor and IAC/ISC harnesses.
  15. Install the air intake connector.
  16. Refell the engine with the correct amount of anti-freeze and water mixture. Refer to Section 1.
  17. Connect the negative battery cable.
  18. Start the engine and check for leaks and operation.
  19. Reset any electronic components such as the radio.

Previous Next