Buick Regal Owners & Service Manuals

Buick Regal: Repair Instructions

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 Rear Differential Clutch Control Module Replacement

Removal Procedure 1. Prepare the control module for removal using the SPS programming support tool. NOTE: The rear differential clutch control module can now be removed and replaced. 2. Raise and su

 Differential Clutch Oil Inspection

1. Raise and support the vehicle. 2. Clean the area around the rear axle fill plug. 3. Place a drain pan under the vehicle. 4. Differential Clutch Cover Plug(1) - Remove. 5. Rear Axle Housing Fi

 Differential Carrier Bushing Replacement - Rear

Tools Required J-45725 Cradle Bushing Replacer For equivalent regional tool, refer to Special Tools. Removal Procedure 1. Raise and support the vehicle. 2. Remove the rear differential assembly. 3

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 Description and Operation

ABS DESCRIPTION AND OPERATION B22 - B22 Brake Pedal Position Sensor S48E - S48E Multifunction Switch - Center Console P16 - P16 Instrument Cluster K9 - K9 Body Control Module K20 - K20 Engine Control Module K71 - K71 Transmission Control Module K17 - K17 Electronic Brake Control Module Q5 - Q5 Brak

 Symptoms - Displays and Gauges

NOTE: The following steps must be completed before using the symptom diagnostic tables. 1. Before using the symptom diagnostic tables, perform the Diagnostic System Check - Vehicle in order to determine that there are no DTCs set, and that the control modules can communicate via the serial data li

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