Removal Procedure

WARNING: This page is about a different car, the 2018 Buick Encore. However, it is still accessible from the selected car via links, so may be relevant.

Engine Front Cover Replacement - Remove
Set the engine to top dead center (TDC).
Inspect the timing chain marks (1, 2, and 3) to confirm they are properly aligned.
Install camshaft holding tool EN-51367 (1).
Reset the tensioner plunger (1). Timing Chain Tensioner Replacement
Timing Chain Tensioner Shoe Bolt(1) - Remove
Timing Chain Tensioner Shoe(2) - Remove

NOTE:

It is not necessary to remove the timing chain from the sprockets.

Inspect, timing components as necessary. For camshaft timing chain, oil nozzle, sprocket and tensioner cleaning and inspection. Camshaft Timing Chain and Sprocket Cleaning and Inspection