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HOMESERVICE MANUALSBUICK2013REGAL TURBO PREMIUM, STANDARD TRANSREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 119 (AUTOMATIC TRANSMISSION - 6T45 - REPAIR INSTRUCTIONS - OFF VEHICLE)REPAIR INSTRUCTIONS - OFF VEHICLE3-5-REVERSE AND 4-5-6 CLUTCH FLUID SEAL RING REPLACEMENT
2013 Buick Regal Turbo Premium, Standard Trans

3-5-Reverse and 4-5-6 Clutch Fluid Seal Ring Replacement

2013 Buick Regal Turbo Premium, Standard TransSECTION 3-5-Reverse and 4-5-6 Clutch Fluid Seal Ring Replacement
WARNING: This page is about a different car, the 2011 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: 3-5-Reverse & 4-5-6 Clutch Fluid Seal Rings
GM1891328Courtesy of GENERAL MOTORS CORP.
Callout Component Name
Special Tools: 
DT-46620:  Seal Installer
For equivalent regional tools, refer to Special Tools .
1 3-5 Reverse and 4-5-6 Clutch Fluid Seals (Qty: 4)

Procedure

  1. Place DT-46620-3 which is part of DT-46620:  seal installer over the case hub and adjust it so that only the bottom seal ring is exposed.
  2. Place a NEW fluid seal ring onto DT-46620-3 which is part of DT-46620:  seal installer.
  3. Use DT-46620-2 which is part of DT-46620:  seal installer to push the fluid seal ring down over DT-46620-3 which is part of DT-46620:  seal installer into the hub ring groove.
  4. Repeat the above steps to install all 4 seal rings, adjusting DT-46620-3 which is part of DT-46620:  seal installer to the appropriate ring groove.
2 Small Chamfer Up
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.

Procedure: 
Install DT-46620-1 which is part of DT-46620:  seal installer with the large chamfer end down over the fluid seal rings and leave DT-46620-1 which is part of DT-46620:  seal installer on the seals for at least 60 seconds.
3 Large Chamfer Up

Procedure

  1. Install DT-46620-1 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.
  2. Leaving DT-46620-1 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.
RENDER: 1.0x

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Stop DIY work and contact a certified mechanic immediately if any of the following apply:

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