How to check condition of the vehicle suspension. Use a floor jack to raise the corner of the vehicle. Check the condition of the struts and shocks leakage from a shock absorber. Shock absorbers are also checked by inspecting the dust covers at the upper end.
Use a screw driver to poke at the fastening hardware that appears rusty. At the lower end of the lower arm there is a ball joint which supports the entire weight of the suspension. Check all the mountings and rubber bushes at the ends of the dampers and the anti roll and stabiliser bars.
Lift the vehicle high enough to get the tire off the ground and secure the vehicle with a safety jack stand. Look in your car owners manual for the right tire pressures or ask for advice at a service station. Tug on the top of the front tires.
How to find suspension noises. Jack up the car. Next is the shakedown test.
Check the nuts and bolts used to secure components of the suspension to one another and the vehicle for signs of excessive rust and to make sure they are tight. If the vehicle bounces a lot after a bump or a stop or is hard to control you may need new shocks or other suspension parts. Their condition is also checked to know the overall health of the suspension system.
Broken bent or pitted rod inspect all four wheel bearings for roughness or play inspect your front and rear control arm bushings and ball joints during the control arm diagnosis check all the springs for damage. If the car continues moving up and down theres something wrong. How to check out your own cars suspension system.
Then check the suspension in its normal loaded position by jacking up each suspension arm in turn. Attempt this method at all four corners of the vehicle to check each individual strut. Feel for any movement and listen for and clicking sounds.
One of the most important points to check for in a used car inspection is frame damage. If bits of the rusted nut or bolt comes off as you poke at it the hardware will need to be replaced. If you feel or hear anything it could mean a suspension joint or wheel bearing is broken.
Learn how to check your suspension for worn ball joints worn sway bar end. Rack ends also have dust covers that protect them. Check all ball joints by levering with a bar.