Assemble Procedure

WARNING: This page is about a different car, the 2023 GMC Acadia. However, it is still accessible from the selected car via links, so may be relevant.

Courtesy of GENERAL MOTORS COMPANY

Place DT-46620-3 (3) which is part of DT-46620 seal installer over the case hub (5) and adjust it so that only the bottom seal ring is exposed.
Place a NEW 3-5-Reverse and 4-5-6 Clutch Fluid Seal Ring (1) onto DT-46620-3 (3) which is part of DT-46620 seal installer.
Use DT-46620-2 (2) which is part of DT-46620 seal installer to push NEW 3-5-Reverse and 4-5-6 Clutch Fluid Seal Ring (1) down over DT-46620-3 (3) which is part of DT-46620 seal installer into the hub ring groove.
Repeat the above steps to Install all 3 NEW 3-5-Reverse and 4-5-6 Clutch Fluid Seal Ring (1), adjusting DT-46620-3 (3) which is part of DT-46620 seal installer to the appropriate ring groove.

CAUTION:

Do not force the seal installer down over the seals as this will roll and damage the seals. The large chamfer is designed to fit over the over stretched seal. Use a hand to help shrink the seal if the seal installer is difficult to Install over the seal rings.

NOTE:

Leaving DT-46620-1 (4) which is part of DT-46620 seal installer on the fluid seal rings for an extended period of time could cause a fluid leak on the initial clutch piston circuit until the seal rings warm up and expand to the proper dimension.

Install DT-46620-1 (4) which is part of DT-46620 seal installer with the large chamfer end down over the fluid seal rings and leave DT-46620-1 (4) which is part of DT-46620 seal installer on the seals for at least 60 seconds.

NOTE:

Install DT-46620-1 (4) which is part of DT-46620 seal installer with the small chamfer end facing down for at least 60 seconds. This will properly size the bottom seal ring.