Control Valve Body Spacer Plate Installation

Fig 1: Removing & Installing Spacer Plate Support & Spacer Plate

Courtesy of GENERAL MOTORS CORP.

NOTE: A new spacer plate assembly must be installed to prevent possible transmission damage.

IMPORTANT: The non-Driver Shift Control (DSC) 4T40-E/4T45-E has a different spacer plate than the 4T45-E Driver Shift Control (DSC). The DSC spacer plate has one notch on it. The NON-DSC spacer plate has two notches on it.

Install a new spacer plate assembly (90) onto the channel plate.

NOTE: Refer to Fastener Notice .

Install the spacer plate support (21) and the two bolts (20) onto the spacer plate. Hand start the bolts.
Tighten: Tighten the bolts to 14 N.m (10.5 lb ft).