Buick Regal Owners & Service Manuals
Buick Regal 2018-2026 Service Manual / Brakes / Disc Brakes / Diagnostic Information and Procedures

Buick Regal: Diagnostic Information and Procedures

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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

 Front Disc Brake Mounting and Hardware Inspection

WARNING: Brake Dust Warning. 1. Inspect the fluid level in the brake master cylinder reservoir. 2. If the brake fluid level is midway between the maximum-full point and the minimum allowable level t

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 Crankcase Ventilation System Description

General Description A crankcase ventilation system is used to consume crankcase vapors in the combustion process instead of venting them to atmosphere. Fresh air from the intake system is supplied to the crankcase, mixed with blow by gases and then passed through a calibrated orifice into the inta

 DTC P0776, P07A2, or P2719

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:Strategy Based Diagnosis An overview of each diagnostic category can be found here: Refer to

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