Buick Regal: Low and Reverse Clutch Piston Installation
![Automatic Transmission](images/books/1051/index432.png)
- Direct Clutch Fluid Seal Ring [2x]
- Direct Clutch Hub Thrust Bearing Race
- 2nd Clutch Housing Rear Bearing
- Low and Reverse Clutch Application Ring
- Low and Reverse Clutch Application Ring
- Low and Reverse Clutch Piston
- 1-Reverse Clutch Spring
- 1-Reverse Clutch Spring Retaining Ring
Procedure
Using the DT-48056 bridge with DT-48903 and DT-51920 compressors, install
the retaining
ring.
NOTE:
Ensure DT-51920 Clutch Spring Compressor is clocked properly and only
making contact with the 1-Reverse clutch spring.
Special Tools
- DT-48056 Spring Compressor Bridge
- DT-48903 Spring Compressor
- DT-51920 Clutch Spring Compressor
Equivalent regional tools: Refer to Special Tools
DIRECT CLUTCH ASSEMBLY INSTALLATION
![Automatic Transmission](images/books/1051/index433.png)
- Direct Clutch
- Direct Clutch Hub Thrust Bearing Race
- Direct Clutch Bearing
- Rear Sun Gear Thrust Bearing Race
- Rear Sun Gear
- Rear Sun Gear Thrust Bearing Race
- Rear Sun Gear Thrust Bearing
REAR CARRIER INSTALLATION
![Automatic Transmission](images/books/1051/index434.png)
- Rear Carrier Thrust Washer
- Rear Carrier
Procedure
- Assemble this on the table with Direct Clutch Assembly Installation.
- Rotate till seated completely.
- Install complete direct clutch and rear carrier assembly as a unit.
- Rear Carrier Thrust Washer
- Sun Gear
1ST AND REVERSE CLUTCH BACKING PLATE INSTALLATION
![Automatic Transmission](images/books/1051/index435.png)
- 1st and Reverse Clutch Backing Plate
NOTE:
Machined side down.
- 1st and Reverse Clutch Plate
- 1st and Reverse Clutch Plate - Friction Plate
- Forward Clutch Backing Plate
NOTE:
Groove up to accept the retaining ring.
- 1-Reverse Clutch Backing Plate Retaining Ring
OVERRUN CLUTCH INSTALLATION
![Automatic Transmission](images/books/1051/index436.png)
- Overrun Clutch
NOTE:
Rotate the rear carrier clockwise while installing.
- Overrun Clutch Retaining Ring
NOTE:
Rotate the rear carrier clockwise until fully seated to accept retaining
ring.
COUNTER DRIVE GEAR INSTALLATION
![Automatic Transmission](images/books/1051/index437.png)
Fig. 3: Automatic Transmission Counter Drive Gear Bolts Tightening Sequence
- Vehicle Speed Sensor Spacer
- Vehicle Speed Sensor
- Automatic Transmission Intermediate Speed Sensor Bolt
CAUTION: Refer to Fastener Caution.
Tighten 5 N.m (44 lb in)
- Counter Drive Gear
- Center Support Bolt[6x]
Tighten in sequence
62 N.m (46 lb ft)
- Automatic Transmission Control Wiring Harness Clamp
- Front Differential Transfer Drive Gear Fluid Passage Tube Bolt
Tighten
7 N.m (62 lb in)
FINAL DRIVE PINION AND RING GEAR INSTALLATION
![Automatic Transmission](images/books/1051/index438.png)
- Final Drive Pinion and Ring Gear
MANUAL SHIFT DETENT LEVER AND PARK PAWL INSTALLATION
Lubricant Fluid Pipe Installation
![Automatic Transmission](images/books/1051/index439.png)
- Automatic Transmission Vent Baffle Cover
- Torque Converter and Differential Housing Bolt
CAUTION: Refer to Fastener Caution.
Tighten
7 N.m (62 lb in)
- Automatic Transmission Vent Baffle Cover
- Torque Converter and Differential Housing Bolt
Tighten
7 N.m (62 lb in)
- Lubricant Fluid Pipe
- Lubricant Fluid Pipe Retainer
- Automatic Transmission Control Wiring Harness Clamp
- Front Differential Transfer Drive Gear Fluid Passage Tube Bolt [2x]
Tighten
7 N.m (62 lb in)
Park Components Installation
![Automatic Transmission](images/books/1051/index440.png)
- Manual Shift Shaft Lever
- Park Pawl Actuator Rod
NOTE:
Rotate the manual shift shaft lever to get rod in place.
- Park Pawl
- Park Pawl Spring
NOTE:
Ensure spring is in proper location like the inset shows.
- Park Pawl Shaft
- Park Pawl Lockout Pin
- Park Pawl Actuator Bracket
NOTE:
Ensure park pawl actuator rod is in proper location like the inset shows
before
tightening the bolts.
- Park Pawl Actuator Bracket Bolt
CAUTION: Refer to Fastener Caution.
Tighten
9 N.m (80 lb in)
- Park Pawl Pin Spring Guide Sleeve
- Park Pawl Actuator Lever Spring
NOTE:
Ensure Spring is in proper location like the inset shows.
- Park Pawl Actuator Bracket Bolt
Tighten
9 N.m (80 lb in)
- Manual Shift Detent Lever Spring
- Automatic Transmission Control Lever Detent Spring
- Manual Shift Detent Bolt
Tighten
10 N.m (89 lb in)
INPUT DRUM INSTALLATION
![Automatic Transmission](images/books/1051/index441.png)
- Input Drum
- Sun Gear Front Thrust Bearing Race
- Input Sun Gear Thrust Bearing
FORWARD CLUTCH ASSEMBLY INSTALLATION
![Automatic Transmission](images/books/1051/index442.png)
- Forward Clutch
- Forward Clutch Housing Thrust Bearing Race
- Input Clutch Housing Thrust Bearing
READ NEXT:
Input Carrier Flange
Forward Clutch Backing Plate Retaining Ring
Front Internal Gear
NOTE:
Rotate to index the clutch plate and ensure seated.
Front Carrier Thrust Bearing
Front Carrier T
Front Differential Transfer Drive Gear Fluid Passage Tube
Lubricant Fluid Hose Clamp
Automatic Transmission Fluid Baffle Bolt
CAUTION: Refer to Fastener Caution.
Tighten
7 N.m (62 lb in)
SEE MORE:
DIC Info Page Options
The info pages on the DIC can be
turned on or off through the
Options menu.
1. Press to access the cluster
applications.
2. Press or
to scroll to the
Options application.
3. Press to enter the
Options menu.
4. Scroll to Info Pages and
press .
5. Press or
to move
thro
Diagnostic Instructions
Perform the Diagnostic System Check - Vehicle prior to using this
diagnostic procedure.
Review Strategy Based Diagnosis for an overview of the diagnostic
approach.
Diagnostic Procedure Instructions provides an overview of each
diagnostic category.
DTC Descriptors
D