Buick Regal 2018-2026 Service Manual / Brakes / Disc Brakes
Buick Regal: Disc Brakes
Specifications
FASTENER SPECIFICATIONS
Single Use Non-Threaded Fasteners/Components
NOTE: All fasteners/components listed in this table MUST BE DISCARDED and replaced with NEW after removal.
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DISC BRAKE COMPONENT SPECIFICATIONS
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ADHESIVES, FLUIDS, LUBRICANTS, AND SEALERS
The part codes (e.g. SC18) can be found in the electronic parts catalog (EPC) through the search function.
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Brake Rotor Thickness Measurement
Special Tools
CH-230 - A Disc Gauge
Equivalent regional tools: Special Tools
WARNING: Refer to Brake Dust Warning.
1. If the inboard friction surface of the brake rotor is not accessible,
reposition
Brake Rotor Assembled Lateral Runout Measurement
Special Tools
GE-571-B Hub and Wheel Runout Gauge
For equivalent regional tools, refer to Special Tools.
WARNING: Refer to Brake Dust Warning.
NOTE:
Brake rotor assembled lateral runout (LRO) exceed
SEE MORE:
DTC P2734, P2738, or P2739
Diagnostic Instructions
Perform the Diagnostic System Check prior to using this diagnostic
procedure: Refer to Diagnostic System
Check - Vehicle
Review the description of Strategy Based Diagnosis: Refer to Strategy
Based Diagnosis
An overview of each diagnostic category can be found here: R
Throttle Actuator Control (TAC) System Description
The engine control module (ECM) is the control center for the throttle
actuator control (TAC) system.
The ECM determines the driver's intent based on input from the accelerator pedal
position sensors, then
calculates the appropriate throttle response based on the throttle position
sensors. The
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