956096
Screw
Volvo

An assembly of threaded fasteners made from high-strength alloy provides the essential clamping force to joints across the powertrain and chassis. Proper engagement with defined pitch, shoulder, and grip length ensures reliable retention under vibratory conditions and thermal expansion. The choice of grade and coating determines resistance to corrosion, galling, and loosening during service, while appropriate torque values and sequence prevent distortion of flanges and mating surfaces. In heavy-duty operation, secure connections avoid leaks, misalignment, or component movement that could degrade efficiency, cause noise, or compromise safety. Replacement with the correct size and thread pattern restores clamping integrity after wear or loosening issues identified during inspection. Regular checks for thread wear, head damage, and embedded debris help prevent sudden failures in high-stress environments. Proper application of anti-seize or thread lockers at assembly may be necessary for service intervals that involve high vibration or extreme temperatures. This simple piece plays a critical role in maintaining structural rigidity and system integrity through numerous load cycles.