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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 110 (Automatic Transmission - 6L90 (MYD) - 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 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Case Extension Assembly & Bolt Tightening Sequence
GM1696453Courtesy of GENERAL MOTORS COMPANY
Callout Component Name
1 Automatic Transmission Case Extension Seal
NOTE:

Install a NEW seal. Do NOT reuse the old seal.

2 Automatic Transmission Case Extension
3 Automatic Transmission Case Extension Bolt [6x]
CAUTION:

Refer to Fastener Caution .


Procedure 
Tighten in sequence shown.
Tighten 
55 N.m (41 lb ft)