Awhile ago my mechanic told me that my front right axle boot was leaking grease. Well, today it began to make noise. Grinding squealing. What needs to be replaced? CV joint, CV axle or entire drive axle?
On this type of vehichle, you have two axles in the front; one going to each side. Chances are that the boot at the axle joint was torn and that is why you are having problem. In teh past people used to replace the boot, this day and age its actually cheaper to replace the axle. So you would need to replace that side of the axle (the half shaft).
Well this means that your cv-joint boot has been cut or split and has let dirt in and greas out,if it is clicking,or sound like your rolling a jar of marbles you will need to have it repaired or get a rebuilt cv shaft.but yes you can just have the cv-joint repaired
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CV? ever do a CV check, FWD has CV axles, and do not last forever. nor for life of engine. about 300k miles. service them. or get rebuilts. better yet , pay for diagnosis, as cars this old all have , more failures. some are dangerous to you , family and others on the road.
This noise is caused by a worn or damaged front drive axle Constant Velocity Joint (CV for short), there is one of them at each front wheel just behind the brake disk on the end of the drive axle, they have a rubber cone shaped grease boot over the joint, check to see if the grease boot is torn, the joint then runs dry of grease and makes noise, at that point it must be replaced. Have a shop put in the air and inspect them both.
CV Joint went out. since it gets worse when you turn right it is most likely an inside drivers side CV joint or the out side passenger side. The popping sounds was probably the dust boot popping from pressure build up which should make it simple to locate since you just need to identify the boot with a tear in it.
ITS NOT A HARD JOB TO DO BUT YOU NEED TOOLS LIKE TIE ROD END REMOVING TOOL,YOU NEED SHAP RING PLIERS,YOU NEED HYDRALIC JACK AND AXLE NUT SOCKET 1/2 BREAKER BAR AND A TORQUE WRENCH RANGES TO 200 FT LBS YOU WILL NEED REPAIR MANUAL FOR TORQUE SPECS.THE ,MANUAL WILL SHOW AND TELL YOU HOW TO REMOVE FRONT AXLE SHAFT CV JOINTS.IT WILL LOT CHEAPER TO BUY WHOLE FRONT AXLE WITH NEW CV JOINTS.YOU NEED CV JOINT BOOT CLAMP TOOL AND ITS A WHOLE LOT OF CLEANING INVOLVE PLUS PACKING NEW BEARINGS WITH GREASE.ITS MORE OF HEAD ACHE BEST TO BUY NEW ONE.
Usually when the CV joint boot fails, the grease is slinged all over, and after awhile, dirt gets in, and you start to get clicking noises, especially during turns. Sometimes a mechanic can clean and relube the joint, and install a replacement boot, but often the axle assembly is a more economical option.
the grinding grating rattling annoying sound is yor axles (velocity joint) it could be a simple thing as the boot rubber poping out and the grease spilled off or the bearing is shelling. In any case have the joint repaired or replaced. After this you will need to align as the changing or removing of the joint messes the alignment up.
If you Jeep is equipped with CV axles ( I can't tell b/c I don't see a year model or if it's a standard Cherokee or a Grand Cherokee, or even if it's 4x4), then he may have been referring to your CV axle boots. They are rubber boots that keep grease inside so as to lube the CV joint. It also keep the road grime and gunk out.
If the rubber boot cracks, then yes, stuff will get in there and it'll make it worse.
It's possible he could have been talking about the inside wheel well lining also. It's a little hard to tell according to the description. But if it's fallen it's possible it may not make noise in reverse, but only in drive. And yes, when it breaks it'll allow road stuff to get up in the front fender and make it rust out.
Both of these projects are pretty advanced, especially the CV boot.
I have the feeling that the cv was replaced with one that didn't have a tone ring (part of the ABS) on it, or the tech neglected to put the sensor back in the knuckle. Definitely take it back. Good luck!