Buick Regal Owners & Service Manuals
Buick Regal 2018-2024 Service Manual / Suspension / Rear Suspension / Description and Operation

Buick Regal: Description and Operation

REAR SUSPENSION DESCRIPTION AND OPERATION

The rear suspension system on this vehicle is of the independent link type. Rear suspension adjustment is achieved through adjustable toe links and lower control arms. The rear coil springs are retained between the body and the lower control arm. Rubber insulators isolate the coil spring at both top and bottom. The rear suspension consists of 2 shock absorbers attached to the lower control arm and the reinforced body areas.

The rear suspension system performs the following functions:

  • Maintains the relationship of the rear axle to the body
  • Controls the torque reaction on acceleration and braking

The suspension system consists of the following components:

  • Support assembly
  • Coil springs and insulators
  • Stabilizer shaft, insulators and stabilizer links
  • Toe adjust links
  • Upper lateral links
  • Lower control arms
  • Trailing arms
  • Knuckles
  • Wheel bearing/hub
  • Shock absorbers

SPECIAL TOOLS AND EQUIPMENT

SPECIAL TOOLS

CH-43631

J-43631

Ball Joint Remover

Rear Suspension

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     Suspension General Diagnosis

    SPECIFICATIONS TRIM HEIGHT SPECIFICATIONS Trim Height Specifications (P-R Height) - Hatchback NOTE: For 0% option vehicles add 1 mm to front and rear suspension values. For 100% option vehicles subt

     Tire Pressure Monitoring System

    SPECIFICATIONS FASTENER SPECIFICATIONS Reusable Threaded Fastener Tightening Specifications NOTE: All fasteners listed in this table can be reused after removal.

     Diagnostic Information and Procedures

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     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 fasteners of the same nominal diameter, thread pitch, and strength. A number marking identifies the OE met

     Symptoms - Cruise Control

    NOTE: The following steps must be completed before using the symptom tables. 1. Before using the symptom diagnostic table, perform the Diagnostic System Check - Vehicle in order to verify the following conditions: There are no DTCs set. The module can communicate via the serial data. 2. Review

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