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.
Installation Procedure
2006 Buick Terraza CXL, 3.5 L, AWDSECTION Installation Procedure
WARNING: This page is about a different variant/trim than selected.
- Install the air cleaner outlet duct to the air cleaner housing and throttle body.
- Tighten the air cleaner outlet duct clamp at the throttle body.
- Tighten the air cleaner outlet duct clamp at the MAF/IAT sensor.
Tighten: Tighten the nuts to 2 Nm (18 in ft).
- Connect the PCV fresh air tube to the air cleaner outlet duct. Refer to Plastic Collar Quick Connect Fitting Service .
- Install intake manifold cover, if necessary. Refer to INTAKE MANIFOLD COVER REPLACEMENT .
NOTE:
Refer to FASTENER NOTICE
in Cautions and Notices.
Fig 1: Identifying Engine Harness connector At Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
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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.