GMC 19256071 Boot Kit,Front Wheel Drive Shaft Cv Joint

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Disassemble the joint, clean the components, and inspect for damage.

Park the vehicle on level ground, turn the engine off and set the parking brake. Check the tire pressures. Push down at one corner of the vehicle, then release it while noting the movement of the body. It should stop moving and come to rest in a level position within one or two bounces. If the vehicle continues to move up and down or if it fails to return to its original position, a worn or weak shock absorber is probably the reason. Repeat the above check at each of the three remaining corners of the vehicle. Raise the vehicle and support it securely on jackstands. Check the shock absorbers for evidence of fluid leakage. A light film of fluid is no cause for concern. Make sure that any fluid noted is from the shocks and not from some other source. If leakage is noted, replace the shocks as a set. Check the shocks to be sure that they are securely mounted and undamaged. Check the upper mounts for damage and wear. If damage or wear is noted, replace the shocks as a set (front or rear). Visually inspect the steering and suspension components (front and rear) for damage and distortion. Look for damaged seals, boots and bushings, and leaks of any kind. Examine the bushings where the control arms meet the chassis. Clean the lower end of the steering knuckle. Have an assistant grasp the lower edge of the tire and move the wheel in and out while you look for movement at the steering knuckle-to-control arm balljoint. If there is any movement the suspension balljoint(s) must be replaced. Grasp each front tire at the front and rear edges, push in at the front, pull out at the rear, and feel for play in the steering system components. If any free play is noted, check the idler arm and the tie-rod ends for looseness. The CV boots are very important because they prevent dirt, water and foreign material from entering and damaging the constant velocity (CV) joints. Oil and grease can cause the boot material to deteriorate prematurely, so it's a good idea to wash the boots with soap and water because it constantly pivots back and forth following the steering action of the front hub, the outer CV boot wears out sooner and should be inspected regularly. Inspect the boots for tears and cracks as well as loose clamps. If there is any evidence of cracks or leaking lubricant, they must be replaced.

Inspect the shocks to ensure they are securely mounted and undamaged. Check the upper mounts for damage and wear.

Excessive play in the radial direction, which could indicate worn parts.

Smooth operation throughout the full range of motion.

If the vehicle continues to move up and down or fails to return to its original position, it may indicate a worn or weak shock absorber.

Disassemble the joint, clean the components, and inspect for damage.

Disassemble the joint, clean the components, and inspect for damage.

Disassemble the joint, clean the components, and inspect for damage.

Driveaxle boots are important because they prevent dirt, water, and foreign material from entering and damaging the constant velocity (CV) joints. Inspect the boots for tears, cracks, as well as loose clamps.