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C 1500 Truck 2WD V6-4.3L VIN X (2003)

Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Accessory Delay Module > Component Information > Diagrams > Diagram Information and Instructions > Page 53

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The metric fasteners on GM products are designed to new, international standards. The following are the common sizes and pitches, except for special
applications:
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M6.0 X 1

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M8 X 1.25

-

M10 X 1.5

-

M12 X 1.75

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M14 X 2.00

-

M16 X 2.00

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
procedure in order to determine if the fastener may be reused and the applicable thread-locking compound to apply to the fastener.

A prevailing torque fastener may be reused ONLY if:
-

The fastener and the fastener counterpart are clean and not damaged

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There is no rust on the fastener

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The fastener develops the specified minimum torque against its counterpart prior to the fastener seating.

Relays and Modules > Relays and Modules - Accessories and Optional Equipment > Accessory Delay Module > Component Information > Diagrams > Diagram Information and Instructions > Page 53

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