Installation Procedure

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

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Install the front side door lock cylinder rod (1) to the front side door lock cylinder (3).
Install the front side door lock cylinder (3) to the front side door outside handle bracket (2).
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CAUTION:
Fastener Caution

{if equipped} Install the front side door latch cover (2).
{if equipped} Install the front side door latch cover bolt (1) and tighten to 2.5 N.m (22 lb in).
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Install the front side door latch with front side door outside handle bracket (1) to the front side door.
Install the electrical harness to the front side door outside handle bracket.
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Front Side Door Latch Bolt (2, 3) - Install and tighten [3x] 9 N.m (80 lb in)
{if equipped} Install the front side door latch cover bolt (1) and tighten to 2.5 N.m (22 lb in).
Connect the electrical connector. (4)
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Front Side Door Locking Rod Knob (1) - Install - Front Side Door Locking Rod Knob Replacement
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Front Side Door Outside Handle Bracket Screw (1) - Install and tighten 4.7 N.m (42 lb in)
Install the electrical harness to the front side door outside handle bracket.
Front Side Door Outside Handle - Install - Front Side Door Outside Handle Replacement (Without Keyless Entry) Front Side Door Outside Handle Replacement (With Keyless Entry)
Front Side Door Window Regulator - Install - Front Side Door Window Regulator Replacement