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.

Air Cleaner Assembly Replacement - Remove
Camshaft Cover Replacement - Remove
Raise and support the vehicle. Lifting and Jacking the Vehicle
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).
Lower the vehicle.
Install an engine lifter (1) to the right engine lift bracket and apply tension to the engine lifter chain in order to support the engine.
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 Front Cover Replacement - Upper - Remove
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).
Upper Timing Chain Guide Bolt(2) - Remove[2x]
Timing Chain Upper Guide(1) - Remove
Mark the camshaft timing chain with a suitable permanent marker or paint stick 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 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 adjuster.
Lay the camshaft timing chain (2) between the timing chain guides (1, 3).
Remove the camshaft position actuator adjuster bolt (3).
Remove the exhaust camshaft position actuator (2).
Loosen the EN-51148 holding tool bolts (2, 3, 4).
Remove the EN-51148 holding tool (1).
Camshaft Bearing Cap Bolt(1) - Remove[4x]

NOTE:

Release the bearing support by striking it gently with a plastic hammer.

Camshaft Bearing Cap(2) - Remove
Mark camshaft bearing caps before removal.
Loosen the 10 exhaust camshaft bearing cap bolts (1), working from outside to inside in a spiral in steps of 1/2 up to 1 turn.
Remove the 10 exhaust camshaft bearing cap bolts (2).
Remove the exhaust bearing front cap (1) from the cylinder head.
Remove the 4 exhaust camshaft bearing caps (4) from the cylinder head.
Exhaust Camshaft(5) - Remove