Connection and Movement Points Ball Joints Connection and Movement Points
Ball Joints Connections that allow rotation and angular movement Filled with grease for lubrication A grease fitting may be provided A grease seal holds grease in and prevents water and contaminant entry
Inside a Ball Joint
Directional Ball Joints Some ball joints must be installed a certain way Elliptical stud housings Incorrect replacement causes failure
Elliptical Housing
Short-Long Arm Suspension
Compression or Tension Load
Load Carrying - SLA
Checking for Wear
Check Movement Specs
Non-Load Carrying - Strut
Checking for Wear
Load Carrying – Modified Strut
Load Carrying - Multilink
Wear Indicating Ball Joints Used on some GM and Ford trucks Check position of wear indicator at the grease fitting Video
Bad Joint – Bad Video
Found on the road…