Question 1

How to replace the coil spring insulators on Buick LeSabre?

Accepted Answer

Vehicle suspension work starts by elevating the vehicle and placing supports underneath. Begin by removing the wheel and tire followed by inserting a jack stand under the Control Arm. You must first disconnect the automatic level control air tube from the shock absorber and unscrew the lower shock absorber retaining bolts. Separate the adjustment link from the lower Control Arm by removing its retaining nut then using the universal steering linkage puller (J24319-B) tool. Using the support assembly to position the lower Control Arm slowly and using pry tools to remove the lower Coil Spring Insulator while extracting the coil spring. Squeeze the tool to remove the upper Coil Spring Insulator. To install parts, first position the upper Coil Spring Insulator retainer inside the vehicle body after which you should install the coil spring followed by the lower insulator and confirm the insulator rests within the lower Control Arm. After raising the lower Control Arm you must attach two shock bolts to it before adding the lower shock absorber retaining bolts which need to be tightened to 24 nm (18 ft. Lbs.). Tighten the adjustment link-retaining nut onto the lower Control Arm until torque reaches 50 nm (36 ft. Lbs.). Fit the automatic level control air tube to the shock absorber before reinstalling the tire and wheel assembly when lowering the vehicle.

Question 2

How to replace the rear coil spring insulators on Buick Park Avenue?

Accepted Answer

Begin the insulator replacement of rear Coil Springs by raising the vehicle for free Control Arm suspension and supporting it in place. Start by removing wheels followed by tires before you support the lower Control Arm with a jack stand. Proceed by removing the absorber lower retaining bolts and the adjustment link retaining nut. The process of separating linkage joints through wedge insertion should be avoided since it causes damage to the seal. The universal steering linkage puller (J 24319-B) allows you to separate the adjustment link from the knuckle. To start the procedure drop the Control Arm onto its support assembly while carefully prying under the lower Coil Spring Insulator to remove both spring and its insulator. Pull down on the upper insulator when removal proves necessary. Before installation place the lower insulator retainer inside the vehicle body and insert the coil spring along with the lower insulator while making sure the insulator rests correctly in the Control Arm. Position the lower Control Arm and install the shock absorber's lower retaining bolts before torqueing them to 24 nm (18 ft. Lbs.). Screw the adjustment link into place on the Control Arm and tighten the adjustment link retaining nut to 50 nm (36 ft. Lbs.). The final step involves the installation of the automatic level control air tube onto the shock absorber followed by tire and wheel return then lowering down the vehicle.

Question 3

How to replace the coil spring insulators on Buick Lucerne?

Accepted Answer

The Coil Spring Insulator replacement process starts with lifting the motor vehicle off the ground. Raise the vehicle first then unscrew the wheel and tire before using a jack stand to support the lower Control Arm. First disconnect the shock absorber's automatic level control air tube before removing the lower shock absorber retaining bolts. Start by removing the adjustment link retaining nut then employ the universal steering linkage puller (J 24319-B) to split the adjustment link from the lower Control Arm. Lower the Control Arm toward the support while prying the lower Coil Spring Insulator free to finally extract the coil spring and insulator. You should pull down to detach the upper Coil Spring Insulator. Dismount the upper Coil Spring Insulator retainer into the vehicle body before mounting the coil spring followed by the lower insulator and verifying the insulator sits in the lower Control Arm. After lifting the lower Control Arm into position you should attach the two shock bolts to the Control Arm. Next install and tighten the lower shock absorber retaining bolts to 25 n.m (18 lb ft). Connect the adjustment link to the lower Control Arm before tightening the retaining nut to 30 n.m (22 lb ft) and an additional 180 degree rotation. To complete the installation replace the automatic level control air tube to the shock absorber, secure the tire and wheel, then position the vehicle on the ground.

OEM Buick Coil Spring Insulator

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