Question 1

What should you consider before replacing the CV Boot on Kia Sorento?

Accepted Answer

If the CV joint boots needs to be replaced, time should be taken to see that all options are the best because complete rebuilt CV Boots are available for exchange. It is recommended that the cost and availability of the parts to be removed should be determined before disassembly. The procedure applies to a tripod-type inner joint and for the sake of checking adequacy of cleaning every joint has similar steps. The starting point is the removal of the CV Boot which has to be clamped in a vise using wood protected jaws so as not to harm the part. Check the amount of radial float on the CV joint and its movement as it needs to roll smoothly. If a boot is torn, dismantle, the joint and clean the separated parts to determine if they were damaged from the effects of lubrication or contamination. Unbolt the rods using a flat-head screwdriver and separate the outer boot from the CV joint using scissors if the prior boot has worn out. Remove the inner CV joint boot completely and take the housing backwards by pulling it, if there is a wire ring retainer then eliminate it. Heat the part so it will be easy to disassemble then rebuff the tripod and axleshaft for reassembly then remove the tripod joint snap-ring using snap-ring pliers. A hammer and a brass punch can be used for tightening the tripod joint from the CV Boot being careful not to harm bearing surfaces or splines. Wipe all parts with solvent and look for signs of wear or damage of any of the components. If the inner CV joint is worn, only the new inner CV joint can be put on the old axleshaft, if the outer CV joint is worn then both an outer joint and axleshaft must be bought. To reassemble, ensure that the splines on the inner end of the shaft are covered by tape to protect the boots, then, slide the end clamps and boot on the axleshaft followed by placing the tripod on the shaft. Grease should be given to the tripod assembly and inside casing, for the tripod to fit in this casing, grease around it. Set the boot again into the grooves properly, check and confirm that the length of the CV Boot is acceptable to be fixed now, balance the pressure within the boot and finally put in the clamps. Last of all, places the CV Boot assembly.

Question 2

How to check the CV Boot,steering and suspension components of a Kia Optima for wear and damage?

Accepted Answer

To check the steering, ensure the vehicle is on the ground with the front wheels straight, then gently rock the steering wheel back and forth; excessive freeplay may indicate worn components such as the front wheel bearing or steering gear issues. Freeplay is the travel measured at the steering wheel rim before the front wheels begin to turn. Additional symptoms like excessive body movement, swaying around corners, or binding while turning may suggest faulty steering or suspension components. For the suspension, push down on the vehicle at each corner; if it doesn't return to level within one or two bounces, the shocks or struts are likely worn and need replacement. Listen for noises during this process. Raise the vehicle securely and check the tires for irregular wear and proper inflation. Inspect the universal joint between the steering shaft and gear housing for lubricant leakage and ensure dust seals are intact. Check tie-rod ends for excessive play and look for loose bolts or damaged components. While an assistant turns the steering wheel, observe the steering components for movement and binding. To assess balljoints, use a prybar to move each control arm up and down; any play indicates a need for replacement. Inspect balljoint boots for damage and grease leaks, replacing them if necessary. Lastly, examine the CV Boots for tears, cracks, and loose clamps, as they protect the CV joints from dirt and moisture; any signs of damage require replacement.

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