Turbine Shaft Fluid Seal Ring Replacement

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.

Courtesy of GENERAL MOTORS COMPANY

Callout	Component Name
Preliminary Procedures Inspect the turbine shaft fluid passages and splines. Clean any plugged passages.
1	Turbine Shaft Fluid Seal Ring [3x] CAUTION: Do not use old seal rings. Install NEW seal rings. Reusing old seal rings may cause internal transmission leaks and transmission damage. CAUTION: Size the fluid seal rings for at least 5 minutes after installation to obtain proper seal ring size. Failure to do so may cause internal transmission leaks and transmission damage. Procedure Adjust the turn screw on DT 47768-1 seal protector and install the bottom seal ring first. Special Tools DT-47768-1 Seal Protector DT-47768-2 Seal Pusher DT-47768-3 Seal Sizer Equivalent regional tools:Special Tools

Callout

Component Name

Preliminary Procedures

Inspect the turbine shaft fluid passages and splines.
Clean any plugged passages.

Turbine Shaft Fluid Seal Ring [3x]

CAUTION:

Do not use old seal rings. Install NEW seal rings. Reusing old seal rings may cause internal transmission leaks and transmission damage.

CAUTION:

Size the fluid seal rings for at least 5 minutes after installation to obtain proper seal ring size. Failure to do so may cause internal transmission leaks and transmission damage.

Procedure
Adjust the turn screw on DT 47768-1 seal protector and install the bottom seal ring first.

Special Tools

DT-47768-1 Seal Protector
DT-47768-2 Seal Pusher
DT-47768-3 Seal Sizer

Equivalent regional tools:Special Tools