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Home >> Cadillac >> 2004 >> Escalade EXT >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - 4.8L, 5.3L & 6.0L (Introduction) >> Repair Instructions >> Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Replacement >> Installation Procedure
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Installation Procedure

IMPORTANT: The embossed arrow on the MAF/IAT sensor indicates the proper air flow direction. The arrow must point toward the engine.
    Fig 1: Locating Air Flow Direction Arrow On MAF/IAT Sensor
    GM359112Courtesy of GENERAL MOTORS CORP.
  1. Locate the air flow direction arrow (2) on the MAF/IAT sensor.
    2. Fig 2: View Of Air Cleaner Assembly, MAF/IAT Sensor & Clamp
    GM858230Courtesy of GENERAL MOTORS CORP.
    NOTE: Refer to Fastener Notice in Cautions and Notices.
  2. Install the MAF/IAT sensor to the air cleaner assembly.
  3. Tighten the MAF/IAT clamp.

    Tighten:  Tighten the clamp to 7 N.m (62 lb in).

    4. Fig 3: View Of Auxiliary Battery Relay, MAF, IAT & Coolant Level Sensor Electrical Connectors
    GM674702Courtesy of GENERAL MOTORS CORP.
  4. Connect the MAF/IAT sensor electrical connector (4).
  5. Push in the gray CPA retainer.
  6. Install the air cleaner outlet duct. Refer to Air Cleaner Resonator Outlet Duct Replacement .
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