2012 Buick LaCrosse Convenience Sedan 4-Door. Note: FWD with RPO Code GNA (Standard Suspension) without RPO Code F45 (Real Time Damping Chassis). How to check if the shock absorber is working well? Oil leakage in the shock absorber. Means that there is a problem with your shock absorber. You should repair it at this time to avoid abnormal operation of the shock absorber. Press the bumper firmly, and then release it. If the car jumps. 2 or 3 times. It means that the shock absorber is working well. When the car is driving slowly and braking urgently, if the car. It means there is a problem with the shock absorber. The car stops after driving 10km on the road with poor road conditions and touches the outer shell with your hands. Temperature is not high enough. It means that there is no resistance inside the shock absorber and the shock absorber does not work. At this time you should know if it is time to replace the shock absorber. Precautions for replacing the shock absorber! When installing a new shock absorber, you should. Pay attention to whether the model matches. Please pay attention to the matching model list before purchasing, and confirm whether the left and right are correct. Check the quality status of the new shock absorber, such as whether there is oil leakage in the appearance, etc. Pay special attention to the surface of the piston not to be bumped. Professional tools must be used during installation, and the shock absorber must not be forcibly installed. Pay attention to whether the installation position between the shock absorber and the body and the car is correct. During the assembly process, be sure to protect the surface of the piston rod, and avoid using tools to pull the piston rod or bump or scratch the piston rod, otherwise the shock absorber will leak oil. All nuts should be new and tightened according to the specified parameters of the vehicle to ensure that the tightening torque of the connection part meets the specified parameters of the vehicle. When tightening the nuts of the connecting part, it should be carried out in the natural state of the tire and meet the specified parameters of the vehicle. 172529,172528,349136,5647, Full Strut Assembly Shock. 4 Piece Set Complete Strut Assembly New Ready to Install. OE Spec or Performance. Shock Aborber, Boot, Bumper Kit, Spring Seat, Coil Spring, Isolator. Complete Struts Assembly with Coil Spring. Front Wheel Hub Bearing For Chevy Monte Carlo Impala Cadillac Eldorado DTS FWD. ECCPP 2 Pcs Wheel Hub Bearing Front For Buick LaCrosse Century Regal Lesabre FWD. Universal 12V Low Pressure 5-9 PSI Electric Fuel Pump Installation Kit E8012S. Air Blend Door Actuator. ATV Brake Master Cylinder. Drive Belt And Device. Drive Shaft And Half Shaft. 4 Pcs Wheel Hub Bearing. C Notch & Flip Kit. Wheel Hub Bearing Knuckle. Wheel Hub Centric Rings. Engine Gasket & Cylinder Head. Cylinder Piston Gasket Kit. Fuel Cell Gas Tank. Fuel Tank Pipe & Cap. Fuel Tank Valve & Regulator. Mass Air Flow Sensor. Motorcycle Carburetor & Parts. Diesel Emissions Fluid Pump. Hydraulic Lifter & Rocker Arms. Idle Air Control Valve. Courtyard And Outdoor Supplies. Ignition Coil & Spark Plug. Spark Plug Wire Set. Air Cleaner Box Assembly. Dash Cover & Cushion. Shift Knob Lever Head. Steering Wheel & Adapter. Rear Brake Rotors For Jeep Grand Cherokee Dodge Durango.