Christensen Automotive | Gardnerville 775.782.2605 , Carson City 775.882.8888, Reno 775.322.8100, South Lake Tahoe 530.544.9940, Fallon 775-423-5455

Taking Care of those Joints

There are joints all over your vehicle and they provide the same service in your car as they do in your body, allowing parts to pivot and rotate for a greater and smoother range of motion. Joints are commonly found in the under-carriage of the car in suspension and steering systems. While in many new cars these joints are ‘sealed’, meaning that they do not need periodic greasing or maintenance, they should be checked regularly as part of your maintenance program to make sure that there is no excessive wear or movement and that the protective rubber is not torn, cracked or missing altogether.   Signs of impending joint failures are a clicking or metallic crackling noise while turning and accelerating or a clunking upon deceleration or after hitting a bump. The Ball Joint can also bind and cause a tight spot in the steering travel. Grinding and any sort of vibration are also clues that there could have an issue. You should have any unusual noises or vibrations checked by a qualified automotive repair technician as soon as possible. Universal Joints (U-Joints)  U-Joint ends are both shaped like “U’s” hence the name and they swivel and bend around each other allowing the driveshaft to follow the motions of the differential and axle as the suspension moves. Most U-joints on newer vehicles are “sealed”, but many replacement U-joints as well as the U-joints on older vehicles do have grease fittings which allows the joint to be lubed periodically. Constant Velocity Joints (CV Joints)  All CV joints are enclosed by a rubber or hard plastic boot. The boot keeps grease in...