Chevrolet Workshop Manuals
Express 3/4 Ton Van V8-4.8L VIN V (2003)
Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Accessory Delay Module > Component Information > Diagrams > Diagram Information and Instructions > Page 51
PREVAILING TORQUE FASTENERS
Prevailing torque fasteners create a thread interface between the fastener and the fastener counterpart in order to prevent the fastener from loosening.
ALL METAL PREVAILING TORQUE FASTENERS
These fasteners accomplish the thread interface by a designed distortion or deformation in the fastener.
NYLON INTERFACE PREVAILING TORQUE FASTENERS
These fasteners accomplish the thread interface by the presence of a nylon material on the fastener threads.
ADHESIVE COATED FASTENERS
These fasteners accomplish the thread interface by the presence of a thread-locking compound on the fastener threads. Refer to the appropriate repair
A prevailing torque fastener may be reused ONLY if:
The fastener and the fastener counterpart are clean and not damaged
There is no rust on the fastener
The fastener develops the specified minimum torque against its counterpart prior to the fastener seating
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