Buick Regal Owners & Service Manuals

Buick Regal: Introduction

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 Arrows and Symbols, Acronyms and Units

ARROWS AND SYMBOLS This service manual uses various symbols in order to describe different service operations. Front of Vehicle View Detail Ambient Air Mixed with Another Gas or Indicate Tempera

 Vehicle, Engine and Transmission ID and VIN Location, Derivative and Usage

The vehicle identification number (VIN) plate is the legal identifier of the vehicle. The VIN plate is located on the upper left corner of the instrument panel (I/P) and can be seen through the win

 Fasteners

Metric Fasteners This vehicle provides fastener dimensions using the metric system. Most metric fasteners are approximate in diameter to equivalent English fasteners. Make replacements using fastene

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 DTC B2455 (IO5/IO6/IOB)

Diagnostic Instructions Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure. Review Strategy Based Diagnosis for an overview of the diagnostic approach. Refer to Diagnostic Procedure Instructions provide an overview of each diagnostic category. DTC Descr

 DTC P0722, P077C, or P077D

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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