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Home › Cadillac › 2004 › CTS Base, 3.2 N › Repair and Diagnosis › Engine Performance › System › Engine Controls - 2.6L & 3.2L - Introduction › Repair Instructions › Intake Air Resonator Replacement › Installation Procedure

Installation Procedure

    Fig 1: View Of Intake Air Resonator In Engine Compartment
    GM785803Courtesy of GENERAL MOTORS CORP.
  1. Carefully position aside the following while installing the intake air resonator in the engine compartment:
    • The surge tank inlet hose
    • The upper radiator hose
  2. Route the vacuum hoses as previously noted.
  3. Connect the vacuum hoses to the following components:
    • The coolant bypass solenoid
    • The intake plenum switchover solenoid
    • The vacuum brake booster hose
  4. Connect the electrical connector to the intake resonance switchover solenoid.
    5. Fig 2: Identifying Intake Air Resonator Guide Pins
    GM785800Courtesy of GENERAL MOTORS CORP.
  5. Insert the intake air resonator guide pins into the rubber mounts located in the front frame.
    6. Fig 3: Identifying Air Intake Duct Hoses To Throttle Body
    GM785802Courtesy of GENERAL MOTORS CORP.
  6. Connect they air intake duct hoses to the throttle body.
    7. Fig 4: View Of Intake Air Resonator Retaining Bolt
    GM785804Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  7. Install the bolt securing the intake air resonator to the cooling fan assembly.

    Tighten:  Tighten the intake air resonator retaining bolt to 9 N.m (80 lb in).

    8. Fig 5: Locating Air Intake Duct Hose To MAF/IAT Sensor
    GM785797Courtesy of GENERAL MOTORS CORP.
  8. Connect the air intake duct hose to the MAF/IAT sensor.
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