K 2500 Truck 4WD V6-262 4.3L (1988)
Figure No. 1
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Using 3M tape P/N 6379 or 6380 (or equivalent), cut two pieces three inches long.
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Apply the two pieces of tape to the back of the series emblem as shown in Figure No. 1.
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Remove protective backing from each piece and reattach the emblem to the door.
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Using a roller, firmly press the emblem to the body side molding several times to ensure full tape contact.