Lumina V6-191 3.1L VIN T MFI (1993)
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Loosen switch attaching screws.
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Rotate switch on shaft assembly to align service adjustment hole with carrier tang hole.
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Insert 2.34 mm (3/32 inch) maximum diameter gauge pin to a depth of 15.0 mm (5/8 inch).
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Tighten attaching screws to 25 Nm (18 ft lbs).
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Remove the gauge pin.
