If the boot fails dirt and moisture displace the grease impairing the joint. To check for wear when no dust is evident grip one side of the joint firmly and try to turn the other side against holding pressure.
How To Service Cv Joints Dirt Wheels Magazine
Check cv joint wear. A torn or cracked cv boot will leak grease that ends up tossed around while the axle turns. Audi of the same era also have bad cv joints and broken or torn cv boots. Eliminate the possibility of it being an outer cv joint failure by performing your acceleration test while driving around in a fairly tight about 150 foot circle. U joints and cv joints can wear out but your local trusted mechanic can help you get back on the road. Make another check by inserting a large screwdriver between the yoke and the spider and levering it to see if there is any play. Cv joints are protected by plastic or rubber boots that hold in the grease the joints are packed in.
The inner cv joints connect the shaft to the transmission allowing movement between them while the outer cv joints allow movement between the shaft and the wheels. A leaky boot will eventually lead to cv joint failure as dirt and debris will get into the boot and damage the joint. Although cv joints are found on the back wheels on rear wheel drive and four wheel drive cars they rarely fail so here were dealing mainly with cv joints on the front of front wheel drive cars. Inspecting the cv boots at the first sign of trouble can help save the cv joints and money in repairs. The rubber boot that protects the joint from road contaminates fail or they just wear out. Monty rakusen getty images if you need to replace a cv joint cv boot or cv axle a basic mechanic tool set will get you through most of the job with a few key exceptions.
Almost universally the outside joint closest to the wheel will wear out before the inside joint as it is subject to more stress as the vehicles wheels turn. Another symptom of a problem with the cv axle shafts is grease on the inside edge of the tire or along the underside of the vehicle. There should be no play in the joint at all. Cv joints fail for one of two reasons. How to check bad cv joint noise on your car read vid desc. Eliminate the possibility of it being an outer cv joint failure by performing your acceleration test while driving around in a fairly tight about 150 foot circle.
Listen carefully for a grumbling vibration which could indicate damage or severe wear on the inner cv joint. Almost all cv joints have a little bit of play but any more than 18 inch in any direction indicates a damaged or worn out inner cv joint.
Gallery of Check Cv Joint Wear
