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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 VEHICLELOW AND REVERSE AND 1-2-3-4 CLUTCH HOUSING ASSEMBLE1-2-3-4 CLUTCH PISTON INSTALLATION
2013 Buick Regal Turbo Premium, Standard Trans

1-2-3-4 Clutch Piston Installation

2013 Buick Regal Turbo Premium, Standard TransSECTION 1-2-3-4 Clutch Piston 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: Disassembled View Of 1-2-3-4 Clutch Piston
GM1891402Courtesy of GENERAL MOTORS CORP.
1-2-3-4 Clutch Piston Installation

Callout Component Name
1 1-2-3-4 Clutch Piston
Tip: DT-47798:  protector prevents the piston seal lip from damage during installation. Apply a thin coat of ATF to the ID of DT-47798:  protector to ease the installation of the piston.
Special Tools: 
DT-47798:  Seal Protector
2 1-2-3-4 Clutch Spring
3 1-2-3-4 Clutch Spring Retainer
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. Place the retainer onto DT-47799-1 which is part of DT-47799:  compressor. Compressing the spring using DT-47799-2 which is part of DT-47799:  compressor, will install the retainer into the retainer groove.
  2. Apply shop air to the clutch fluid feed hole in the clutch housing to verify proper piston operation.

Special Tools: 
DT-47799:  Clutch Piston Spring Compressor
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.