Buick Regal Owners & Service Manuals
Buick Regal 2018-2026 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

    READ NEXT:

     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

    SEE MORE:

     Refrigerant Recovery and Recharging (R-1234yf)

    Special Tools GE-45037 A/C Oil Injector GE-50078 Electronic Leak Detector GE-50300 R-1234yf Air Conditioning Refrigerant Recovery/Recharge Cart GE-50744 A/C R-1234yf PAG Oil Injector Hose GE-50745 A/C R-1234yf POE Oil Injector Hose GE-50957 Machine R-1234yf Contaminated Refrigerant Equivalen

     Maintenance Schedule

    Owner Checks and Services At Each Fuel Stop Check the engine oil level. Once a Month Check the tire inflation pressures. Inspect the tires for wear. Check the windshield washer fluid level. Engine Oil Change When the CHANGE ENGINE OIL SOON message displays, have the engine oil and filter

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