2005 Cadillac DeVille BaseFACTORY OEM SERVICE PROCEDURE

Installation Procedure

    Fig 1: View Of PCM & MAF/IAT Sensor
    GM622423Courtesy of GENERAL MOTORS CORP.
  1. Combine the air cleaner intake duct and mass air flow/intake air temperature (MAF/IAT) sensor.
  2. Install the air cleaner intake and MAF/IAT assembly on the throttle body and air cleaner cover.
  3. NOTE: Refer to Fastener Notice in Cautions and Notices.
  4. Inspect for proper alignment of the air cleaner intake and MAF/IAT assembly and tighten the hose clamps.

    Tighten:Β  Tighten the air cleaner intake and MAF/IAT assembly clamps to 3 N.m (27 lb. in.).

  5. Connect the MAF/IAT sensor electrical connector.
Factory Service Tools

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When to See a Mechanic

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

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

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