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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 HOUSING ASSEMBLE (6T40/45/50)4-5-6 CLUTCH FLUID DAM INSTALLATION
2013 Buick Regal Turbo Premium, Standard Trans

4-5-6 Clutch Fluid Dam Installation

2013 Buick Regal Turbo Premium, Standard TransSECTION 4-5-6 Clutch Fluid Dam Installation
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: 4-5-6 Clutch Fluid Dam Components
GM1891357Courtesy of GENERAL MOTORS CORP.
4-5-6 Clutch Fluid Dam Installation

Callout Component Name
1 4-5-6 Clutch Piston Return Spring Assembly
2 4-5-6 Clutch Piston Fluid Dam Assembly
Tip:  The seal protector prevents the dam seal lip from damage during installation. Apply a thin coat of ATF to the I.D. of the seal protector to ease the installation of the dam.

Special Tools

  • DT-47951-1:  Seal Protector for 6T40/45 applications
  • DT-50117:  Seal Proctector for 6T50 applications

For equivalent regional tools, refer to Special Tools .
3 4-5-6 Clutch Dam Retaining Ring
CAUTION: Regulate the air pressure to 40 psi maximum. High pressure could cause the piston to over travel and damage the piston seals.

Procedure

  1. The 4-5-6 clutch dam retaining ring is not reusable, install a NEW retaining ring.
  2. Leave the seal protector in place while installing the retaining ring.
  3. Place the housing assembly onto the input shaft support inside the case. Apply shop air to the clutch fluid feed hole in the case to verify proper piston operation.

Special Tools: 
DT-47951-2:  Spring Compressor
For equivalent regional tools, refer to Special Tools .
RENDER: 1.0x

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When to See a Mechanic

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

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.