Silverado 1500 2WD V8-4.8L VIN V (2006)
7. Place the lock ring on a flat surface. Measure the clearance between the lock ring and the flat surface using a feeler gage at 7 points.
IMPORTANT:
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Some lock rings were manufactured with "DO NOT REUSE" stamped into them. These lock rings may be reused if they are not damaged or
warped.
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Inspect the lock ring for damage due to improper removal or installation procedures. If damage is found, install a NEW lock ring.
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Check the lock ring for flatness.
8. If warpage is less than 0.41 mm (0.016 in), the lock ring does not require replacement.
9. If warpage is greater than 0.41 mm (0.016 in), the lock ring must be replaced.
INSTALLATION PROCEDURE
CAUTION: In order to reduce the risk of fire and personal injury that may result from a fuel leak, always replace the fuel sender gasket
when reinstalling the fuel sender assembly.
IMPORTANT: The fuel strainer must be in a horizontal position when installing the sending unit is installed in the tank. When installing the sending
unit, assure that the fuel strainer does not block full travel of the float arm.
1. Install the sending unit.
2. Use the J 45722 in order to install the fuel sender lock ring. Turn the fuel sender lock ring in a clockwise direction.
IMPORTANT:
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Always replace the fuel sender seal when installing the fuel sender assembly. Replace the lock ring if necessary. DO NOT apply any type of
lubrication in the seal groove.
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Ensure the lock ring is installed with the correct side facing upward. A correctly installed lock ring will only turn in a clockwise direction.
3. Connect the EVAP line to the sending unit.
