In this Tech Minute, Andrew Markel covers everything about TTY bolts and how their build could affect your next suspension repair.
A fastener with a torque + angle specification must be tightened first to the torque part of the specification and then tightened further by the addition of the specified angle. The angle must be applied relative to the mating fastener.
What do some ball joints, tie rods and suspension components have in common with engines? The answer is torque-to-yield (TTY) fasteners.