Silverado 1500 2WD V6-4.3L (2007)
Fuel Pressure Pulsation Damper: Service and Repair
Fuel Pulse Dampener Replacement
Removal Procedure
1. Remove the upper intake manifold.
2. Remove the fuel pressure dampener retaining clip (7).
3. Twist and pull the fuel pressure dampener (6) in order to remove the regulator from the housing using a shop towel to catch any spilled fuel.
4. Remove and discard the dampener O-ring seal (5).
5. Cover the fuel pressure dampener housing to prevent contamination from entering the fuel system.
Installation Procedure
1. Lubricate the NEW O-ring with clean engine oil.
2. Install the fuel pressure dampener O-ring seal (5).
