Installation Procedure
WARNING: This page is about a different car, the 2019 Buick Cascada, 2018 Buick Cascada, and 2017 Buick Cascada. However, it is still accessible from the selected car via links, so may be relevant.
- Assemble the intake manifold. Refer to Intake Manifold Assemble .
Install a NEW intake manifold seal (2).
- Install the intake manifold (1).
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CAUTION:
Refer to Fastener Caution .
Install the 7 intake manifold bolts (1) and tighten to 25 N.m (18 lb ft) in the sequence as shown.
- Raise the vehicle.
Install the charge air bypass valve hose (3) to the charge air bypass valve - intake manifold (1).
- Install the charge air bypass valve hose clamp (2).
Clip in the charge air bypass valve tube (3).
- Clip in the 3 wiring harness retainers (4, 6).
- Lower the vehicle.
- Connect the charge air bypass valve wiring harness plug (5).
- Connect the evaporative emission canister purge solenoid valve wiring harness plug (2).
- Connect the intake air pressure/temperature sensor wiring harness plug (1).
Remove the EN-6015 plugs.
- Connect the fuel vent pipe (1) to the evaporative emission canister purge solenoid valve (2). Refer to Plastic Collar Quick Connect Fitting Service .
Connect the booster vacuum pipe (1) to the intake manifold (2).
- Connect the evaporative emission front pipe (1) to the evaporative emission canister purge solenoid valve (2). Refer to Plastic Collar Quick Connect Fitting Service .
- Install the throttle body. Refer to Throttle Body Assembly Replacement .
- Connect the battery negative cable. Refer to Battery Negative Cable Disconnection and Connection .