Buick Regal Owners & Service Manuals

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

 Repair Instructions

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 Connector Reconnection - Wheel Speed Sensor

Special Tools EL-35616 Terminal Test Probe Kit For equivalent regional tools, refer to Special Tools. When the condition is not currently present, but is indicated in DTC history, the cause may be intermittent. An intermittent may also be the cause when there is a customer complaint, but the sympt

 Diagnostic Information and Procedures

SYMPTOMS - POWER TRANSFER UNIT CASE Strategy Based Diagnostics Review the system operations in order to familiarize yourself with the system functions. Refer to Power Transfer Unit Case Disassembled View, Power Transfer Unit Case Description and Operation, and Rear Drive Axle Description and Opera

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