Removal 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.

Camshaft Cover Replacement - Remove
Intake Manifold Replacement - Remove
Turbocharger Replacement - Remove
Electrical Connector(2)@Camshaft Position Actuator Solenoid Valve Solenoid(1) - Disconnect
Electrical Connector(4)@Camshaft Position Actuator Solenoid Valve Solenoid(3) - Disconnect
Fuel Feed Front Pipe(6)@Fuel Injection Pump(9) - Disconnect
Electrical Connector(7)@Intake Camshaft Position Sensor(5) - Disconnect
Electrical Connector(8)@Fuel Injection Pump - Disconnect
Electrical Connector(10)@Exhaust Camshaft Position Sensor(13) - Disconnect
Power Brake Booster Vacuum Pipe (11)@Power Brake Booster Pump - Disconnect - Plastic Collar Quick Connect Fitting Service
Water Outlet Replacement - Remove
Raise and support the vehicle. Lifting and Jacking the Vehicle
Drive Belt Replacement - Remove
Drive Belt Idler Pulley Bolt(2) - Remove
Drive Belt Idler Pulley(1) - Remove
Engine Wiring Harness Bracket Bolt(1) - Remove
Put the engine wiring harness bracket (2) along with the wiring harness aside.
Engine Wiring Harness Bracket Nut(2) - Remove
Put the engine wiring harness bracket (1) along with the wiring harness aside.
Support the engine under the oil pan.
Remove and DISCARD the 3 engine mount to engine mount bracket bolts (3) and the 3 washers (4).
Remove the 2 engine mount to body bolts (2) and the engine mount nut (1).
Engine Mount(5) - Remove
Engine Mount Bracket Replacement - Remove
Remove the 7 upper engine front cover bolts (1).
Remove the 4 upper engine front cover bolts (1, 2).
Install 2 upper engine front cover bolts (2, 3) to the intended bores, to loosen the upper engine front cover (1).
Remove the 2 upper engine front cover bolts (2, 3).
Remove the upper engine front cover (1).
Upper Timing Chain Guide Bolt(2) - Remove[2x]
Timing Chain Upper Guide(1) - Remove
Adjust the engine to cylinder 1 top dead center (TDC) of combustion stroke. Set crankshaft in direction of engine rotation until the markings (2, 3) line up. Rotate at the crankshaft balancer absorber bolt (1).
NOTE:
If EN-51148 holding tool does not fit properly, rotate the crankshaft and additional 360 degrees.

Install the EN-51148 holding tool (1) to camshafts and to the cylinder head.
1. Tighten the bolt (3) in the middle.
2. Tighten the 2 outer bolts (2, 4).
Mark the camshaft timing chain in line to the camshaft position actuator adjuster marks (1, 2).
Push the timing chain guide - left side (2) in the direction of the arrow.
Fix the tensioner (1) with the EN-50513 tensioner pin (3).
Timing Chain Tensioner Bolt(2) - Remove[2x]
Timing Chain Tensioner(1) - Remove
Remove the camshaft timing chain (2) from the camshaft position actuator adjusters.
Lay the camshaft timing chain (2) between the timing chain guides (1, 3).
NOTE:
For replacing the cylinder head gasket, it is not necessary to remove the camshaft position actuator adjuster.

Remove the intake camshaft position actuator adjuster bolt (3).
Remove the intake camshaft position actuator adjuster (1).
Remove the exhaust camshaft position actuator adjuster bolt (3).
Remove the exhaust camshaft position actuator adjuster (2).
Loosen the EN-51148 holding tool bolts (2, 3, 4).
Remove the EN-51148 holding tool (1).
Fig 1: Cylinder Head Bolt Loosening Sequence

Loosen the 10 cylinder head bolts (1) in sequence as shown.
Cylinder Head Bolt(1) - Remove and DISCARD[10x]
Cylinder Head(2) - Remove
Cylinder Head Gasket(3) Remove and DISCARD
In case of re-use, then clean and inspect the cylinder head. Refer to Cylinder Head Cleaning and Inspection .