Safety Warning

DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.

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HOMESERVICE MANUALSCHEVROLET2006SUBURBAN C1500, 5.3 ZREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 382 (ENGINE CONTROLS - 4.3L (INTRODUCTION))REPAIR INSTRUCTIONSMASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REPLACEMENTINSTALLATION PROCEDURE

2006 Chevrolet Suburban C1500, 5.3 Z

Installation Procedure

2006 Chevrolet Suburban C1500, 5.3 ZSECTION Installation Procedure

WARNING: This page is about a different car, the 2004 GMC Sierra and 2004 Chevrolet Silverado. However, it is still accessible from the selected car via links, so may be relevant.

IMPORTANT: Ensure to point the arrow on the MAF/IAT sensor away from the air cleaner box.

Install the MAF/IAT sensor.
NOTE: Refer to Fastener Notice in Cautions and Notices.
Tighten the MAF/IAT sensor clamp at the air cleaner box.
Tighten: Tighten the clamp to 4 N.m (35 lb in).

Fig 1: View Of Air Cleaner Assembly, MAF/IAT Sensor & Clamp

Courtesy of GENERAL MOTORS CORP.

Install the air cleaner outlet duct to the MAF/IAT sensor.

Fig 2: View Of Air Cleaner Outlet Duct Clamp

Courtesy of GENERAL MOTORS CORP.

Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor.
Tighten: Tighten the clamp to 4 N.m (35 lb in).
Connect the MAF/IAT sensor electrical connector (4).

Fig 3: View Of Auxiliary Battery Relay, MAF, IAT & Coolant Level Sensor Electrical Connectors

Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

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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.