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Home >> GMC >> 2017 >> Acadia SL >> Repair and Diagnosis >> External Pages >> Different car >> Section 287 (Automatic Transmission - 8L45 (M5N M5T) Or 8L90 (M5U) - Repair Instructions - Off Vehicle) >> Repair Instructions - Off Vehicle >> Case Extension Assembly Installation

Case Extension Assembly Installation

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: Case Extension Assembly
GM3977944Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
1 Automatic Transmission Case Extension Seal
NOTE:

The seal is reusable, inspect the seal and replace if damaged.

2 Automatic Transmission Case Extension Assembly
NOTE:

Ensure the park pawl is not engaged.

3 Automatic Transmission Case Extension Bolt M10 x 40 (Qty: 6)
CAUTION:

Refer to Fastener Caution .


Procedure 
Tighten the bolts in the sequence shown.
  1. Tighten the bolts a first pass to 20 N.m (15 lb ft)
  2. Tighten the bolts a final pass to 55 Degrees