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Home >> Buick >> 2019 >> Regal TourX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 143 (Engine Mechanical - 3.6L (LGX) - Repair Instructions) >> Repair Instructions >> Intake Manifold Installation

Intake Manifold Installation

WARNING: This page is about a different car, the 2020 Buick Regal and 2019 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Intake Manifold Bolts Tightening Sequence (3.6L)
GM4455308Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
1 Intake Manifold
2 Intake Manifold Bolt [8x]
CAUTION:

Refer to Fastener Caution .


Tighten in sequence 
25 N.m (18 lb ft)
3 Intake Manifold Bolt
Tighten in sequence 
25 N.m (18 lb ft)
4 Positive Crankcase Ventilation Tube Connector
5 Engine Rear Noise Shield
WARNING:

The noise cancelling foam component MUST be replaced if it has been exposed to engine fluids. Failure to replace the noise cancelling foam component that has been exposed to engine fluids may result in an engine fire resulting in catastrophic engine damage, and possible injury or death.