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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 (LF4)

Automatic Transmission Flex Plate Replacement (LF4)

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 & Components
GM2538426Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
Preliminary Procedure 
Transmission Replacement (M5U with LF4 Engine)

Special Tools

  • EN 45059  Angle Meter
  • EN 46106  Flywheel Holding Tool

For equivalent regional tools. Refer to Special Tools (LF4) .
1 Automatic Transmission Flex Plate Fastener (Qty: 8)
CAUTION:

Refer to Fastener Caution .


Procedure 
New bolts must be used whenever removing the automatic transmission flex plate.
Tighten 
30 N.m (22 lb ft) plus 45 degrees
2 Automatic Transmission Flex Plate Spacer
3 Automatic Transmission Flex Plate
Procedure 
Clean and inspect the automatic transmission flex plate. Refer to Automatic Transmission Flex Plate Cleaning and Inspection .