2021 GMC Acadia SLFACTORY OEM SERVICE PROCEDURE

Engine Control Module Bracket Replacement

GM4360307Courtesy of GENERAL MOTORS COMPANY
NOTE: Callouts in the following chart represent components shown in graphic above.
Callout Component Name

Preliminary Procedures

  1. Radiator Surge Tank Inlet Hose @ Engine Control Module Bracket - Reposition away - Radiator Surge Tank Inlet Hose Replacement (LCV From Radiator Surge Tank to Radiator and Radiator Surge Tank Outlet Pipe)
  2. Engine Control Module ReplacementΒ 
1 Engine Control Module Bracket Nut
CAUTION:

Refer to Fastener Caution .


TightenΒ 
9 N.m (80 lb in)
2 Engine Control Module Bracket
Factory Service Tools

Use the Manual With the Right Hardware

Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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