Buick Regal 2018-2025 Service Manual / Transmission
Buick Regal: Transmission
- Automatic Transmission - Aisin AF50-8 (MRC)
- Specifications, Schematic Wiring Diagrams
- Component Locator
- Diagnostic Information and Procedures
- Repair Instructions - On Vehicle
- Repair Instructions - Off Vehicle
- Description and Operation
- Special Tools and Equipment
- Power Transfer Unit/Transfer Case - AAM
- Specifications
- Component Locator
- Diagnostic Information and Procedures
- Repair Instructions - On Vehicle
- Repair Instructions - Off Vehicle
- Description and Operation
- Special Tools and Equipment
- Shift Lock Control System
- Transmission Cooling System
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Specifications, Schematic Wiring Diagrams
Specifications
FASTENER SPECIFICATIONS (OFF VEHICLE)
Single Use Non-Threaded Fasteners/Components
NOTE:
All fasteners/components listed in this table MUST BE DISCARDED and replaced
with NEW
after rem
Component Locator
DISASSEMBLED VIEWS
Case and Associated Parts (1 of 2)
Transmission Control Module Bolt [3x]
Transmission Control Module
Manual Shift Shaft Seal
Transmission Fluid Filler Tube Plug
Transmission
SEE MORE:
DTC C018A, C019A, or C027F
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
Lock Cylinder Coding - Ignition
The ignition lock cylinder uses 8 key cut positions, 1 - 8. The ignition
cylinder tumblers (3) are located
on alternate sides of the cylinder (5). They are not snap-in and are not
self-retaining. It follows the key
code with the first tumbler being the first depth of the key code, closest to
the
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