Buick Regal 2018-2026 Service Manual / Transmission / Automatic Transmission - Aisin AF50-8 (MRC) / Description and Operation
Buick Regal: Description and Operation
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Transmission Identification Information
For automatic transmission AF50, the identification plate is on the top of
the transmission housing.
Aisin Warner transmission type
Fabrication line 1 = 000001 - 500000 Fabrication line 2 = 50000
Electronic Component Description
Control Module
K71 Transmission Control Module
The TCM (2) is mounted directly on top of the transmission (1). The selector
lever and transmission range sensor is
integrated in the control module. T
Special Tools and Equipment
SPECIAL TOOLS
DT-26941
J-26941
Remover
DT-37228
J-37228
Seal Cutter
DT-43911
J-43911
Selector Shaft Seal
Remover
DT-44215
J-44215
Rear Seal Installer
DT-44809
J-44809
Output Shaft Seal
Installer
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Cooling System Leak Testing (Pressure Test)
Special Tools
GE-42401-A Radiator Cap and Surge Tank Test Adapter
For equivalent regional tools, refer to Special Tools.
WARNING: Under pressure, the temperature of the solution in the
radiator can be
considerably higher, without boiling. Removing the radiator cap while the engine
is hot (pressure
Engine Oil Pressure Light
Caution:
Lack of proper engine oil
maintenance can damage the
engine. Driving with the engine oil
low can also damage the engine.
The repairs would not be covered
by the vehicle warranty. Check
the oil level as soon as possible.
Add oil if required, but if the oil
level is within the operating ra
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