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Home >> GMC >> 2018 >> Acadia Denali, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 163 (Engine Mechanical - 3.6L (LGX LF4) - Repair Instructions - On Vehicle) >> Repair Instructions - On Vehicle >> Automatic Transmission Flex Plate Replacement (LGX)

Automatic Transmission Flex Plate Replacement (LGX)

WARNING: This page is about a different car, the 2017 Cadillac ATS. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Automatic Transmission Flex Plate (LGX)
GM4182587Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Transmission Replacement (M5N with LGX Engine)
Special Tools 
EN 46106  Flywheel Holding Tool
Equivalent regional tools:Special Tools (LGX) .
1 Automatic Transmission Flex Plate Fastener (Qty: 8)
CAUTION:

Refer to Fastener Caution .

CAUTION:

This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.


Procedure 
Install NEW bolts. Do NOT reuse old bolts.
Tighten 
  1. First Pass:30 N.m (22 lb ft)
  2. Final Pass:45 degrees
NOTE:

NEW bolts must be used whenever removing the automatic transmission flex plate.

2 Automatic Transmission Flex Plate
Procedure 
Automatic Transmission Flex Plate Cleaning and Inspection .