Buick Regal 2018-2026 Service Manual / Transmission / Transmission Cooling System / Diagnostic Information and Procedures
Buick Regal: Diagnostic Information and Procedures
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Transmission Overheats
TRANSMISSION FLUID COOLER FLOW TEST AND FLUSHING (6T50)
GM studies indicate that plugged or restricted transmission oil coolers and
pipes cause insufficient
transmission lubrication and elevated ope
Transmission Fluid Cooler Flow Test and Flushing (AF50-8)
Special Tools
DT - 45096 TransFlow Cooler Flush Machine
DT - 45096 - 30 TransFlow Adapter
For equivalent regional tools, refer to Special Tools.
GM studies indicate that plugged or restricted tra
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When It Is Time for New
Tires
Factors such as maintenance,
temperatures, driving speeds,
vehicle loading, and road conditions
affect the wear rate of the tires.
Treadwear indicators are one way to
tell when it is time for new tires.
Treadwear indicators appear when
the tires have only 1.6mm (1/16 in)
or less of tread remaining
Front Wheel Drive Shaft Outer Joint and Boot Replacement
Special Tools
J-42572 Drive Shaft Seal Clamp Pliers
Disassembly Procedure
1. Front Wheel Drive Half Shaft - Remove
Front Wheel Drive Half Shaft Replacement - Left Side
Front Wheel Drive Half Shaft Replacement - Right Side (AWD)Front
Wheel Drive Half Shaft
Replacement - Right Side (FWD)
2. Pla
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