Mercury 3U2Z-5580-PA Spring

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Turn off the air suspension switch. Loosen lug nuts, raise rear of vehicle and support securely on jackstands, remove wheel. Remove heat shield and spring retainer clip. To remove air spring solenoid, unplug electrical connector and disconnect air line, remove solenoid clip, rotate solenoid counterclockwise to first stop, pull solenoid straight out to second stop to bleed air, rotate solenoid counterclockwise to third stop and remove from housing. Use prybar to dislodge air spring from lower spring seat, remove spring. Position spring between frame seat and axle, pry into place. To install solenoid, inspect O-rings for damage, replace if necessary, apply silicone dielectric grease to O-rings. Insert solenoid into air spring end cap, rotate clockwise to third stop, push into second stop, rotate clockwise to first stop. Install solenoid clip. Install air spring into frame seat, install push-on spring retainer clip. Connect air line and plug in electrical connector. Install heat shield. Align lower end of air spring piston with axle seat. Push down on piston to snap into axle seat at rebound. Install wheel, remove jackstands and lower vehicle until wheels are on ground. Lower jack a little further, but not fully, until air springs are partially inflated. Turn on air suspension switch. Turn ignition key to On, allow air springs to partially inflate. Lower vehicle completely and allow springs to fully inflate. Tighten lug nuts to torque.

To remove the air spring, start by turning off the air suspension switch and loosening the wheel lug nuts. Then, raise the rear of the vehicle and secure it on jackstands. Remove the wheel and heat shield. Take out the spring retainer clip and proceed to remove the air spring solenoid by unplugging the electrical connector and disconnecting the air line. Remove the solenoid clip and rotate the solenoid counterclockwise to the first stop, then pull it out to the second stop to release any residual air. After bleeding the air, rotate the solenoid counterclockwise to the third stop and remove it from the housing. To remove the spring, use an air spring removal tool or an equivalent tool to pry it off the axle tube and spring seat. For installation, position the spring between the frame seat and the axle and carefully push it into place. Install the air spring solenoid by applying a light coat of silicone dielectric grease to the O-rings and inserting it into the air spring end cap, rotating it clockwise to the third stop, then pushing it to the second stop, and finally rotating it to the first stop. Install the solenoid clip. Place the air spring into the frame seat, install the push-on spring retainer clip, and reconnect the air line and electrical connector. Install the heat shield. Align the lower end of the air spring piston with the axle seat, push down on the piston to snap it into the axle seat at rebound. Install the wheel and lug nuts, lower the vehicle, and partially inflate the air springs by turning on the air suspension switch and the ignition key. Finally, fully lower the vehicle and allow the springs to fully inflate before tightening the wheel lug nuts to the specified torque.

Turn off the air suspension switch. Loosen lug nuts, raise rear of vehicle and support securely on jackstands, remove wheel. Remove heat shield and spring retainer clip. To remove air spring solenoid, unplug electrical connector and disconnect air line, remove solenoid clip, rotate solenoid counterclockwise to first stop, pull solenoid straight out to second stop to bleed air, rotate solenoid counterclockwise to third stop and remove from housing. Use prybar to dislodge air spring from lower spring seat, remove spring. Position spring between frame seat and axle, pry into place. To install solenoid, inspect O-rings for damage, replace if necessary, apply silicone dielectric grease to O-rings. Insert solenoid into air spring end cap, rotate clockwise to third stop, push into second stop, rotate clockwise to first stop. Install solenoid clip. Install air spring into frame seat, install push-on spring retainer clip. Connect air line and plug in electrical connector. Install heat shield. Align lower end of air spring piston with axle seat. Push down on piston to snap into axle seat at rebound. Install wheel, remove jackstands and lower vehicle until wheels are on ground. Lower jack a little further, but not fully, until air springs are partially inflated. Turn on air suspension switch. Turn ignition key to On, allow air springs to partially inflate. Lower vehicle completely and allow springs to fully inflate. Tighten lug nuts to torque.