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.
Replacing Intake Manifold - Lower: Installation
2006 Buick Allure CXSSECTION Installation
WARNING: This page is about a different variant/trim than selected.
- If removed, install the ECT sensor.
Tighten: Tighten the sensor to 18 Ft. Lbs. (25 N.m).
- If removed, install the thermostat, the gasket, and the water outlet housing.
- Install the water outlet housing bolt and the stud.
Tighten: Tighten the bolt and the stud to 20 Ft. Lbs. (27 N.m).
- Install the lower intake manifold gaskets.
- Apply sealer GM P/N 12346286 (Canadian P/N 10953472) or equivalent to the ends of the intake manifold seals.
- Install the lower intake manifold seals.
NOTE:
Refer to Fastener Notice
in General Information.
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.