Intake Manifold Installation (LF4)

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Intake Manifold And Charge Air Cooler Bolts Tightening Sequence (LF4)

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
1	Lower Intake Manifold
2	Lower Intake Manifold Bolt CAUTION: Refer to Fastener Caution . Tighten 25 N.m (18 lb ft)
3	Intake Manifold Gasket NOTE: Install a NEW gasket. It is not reusable.
4	Charge Air Cooler Cover
5	Charge Air Cooler Cover Bolt NOTE: Tighten the charge air cooler bolts in sequence shown. Tighten 10 N.m (89 lb in)
6	Charge Air Cooler Bolt NOTE: Tighten the charge air cooler bolts in sequence shown. Tighten 10 N.m (89 lb in)
7	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.
8	Fuel Injection Fuel Rail Noise Shield
9	Fuel Injection Fuel Rail Noise Shield Bolt Tighten 10 N.m (89 lb in)