Installation Procedure
- NOTE:
- The camshaft MUST be at the base circle position before the fuel pump is installed.
- At the base circle position, the EN-52443 High Pressure Fuel Pump Alignment Tool (5) will sit flush with the cylinder head.
Install the EN-52443 High Pressure Fuel Pump Alignment Tool (5) and turn the crankshaft until the camshaft lobe is at the base circle position.
- Remove the EN-52443 High Pressure Fuel Pump Alignment Tool (5).
- Lubricate the valve lifter follower (4) with clean engine oil. Adhesives, Fluids, Lubricants, and Sealers
- Valve Lifter Follower (4) - Install
- Fuel Pump Housing Seal (3) - Install NEW
- Fuel Pump (2) - Install
- Fuel Pump Stud (1) - Install and tighten [2x] - Fastener Specifications
- Connect the electrical connector.
Fuel Feed Pipe Bolt (3) - Install and tighten - Fastener Specifications
- Transmission Vent Hose Clip (2) - Engage
- Fuel Feed Front Pipe (1) - Connect - Metal Collar Quick Connect Fitting Service
Fuel Feed Intermediate Pipe (2) - Install NEW
- Fuel Injection Fuel Feed Pipe Bracket Bolt (1) - Install and tighten - Fastener Specifications
Fuel Feed Intermediate Pipe Nut (1) @ Fuel Feed Intermediate Pipe - Tighten [2x] - Fastener Specifications
- WARNING:
The noise cancelling foam component MUST be replaced if it has been exposed to engine fluids. Failure to replace the noise canceling foam component that has been exposed to engine fluids may result in an engine fire resulting in catastrophic engine damage, and possible injury or death.
Fuel Pump Insulator (1) - Install
Fuel Injection Pump Bracket (3) - Install
- Fuel Pump Shield Bolt (2) - Install and tighten [2x] - Fastener Specifications
- Fuel Pump Shield Bolt (1) - Install and tighten [2x] - Fastener Specifications
Plenum Front Panel Outer Reinforcement (1) - Install - Plenum Front Panel Removal and Installation (UXA) , or Plenum Front Panel Removal and Installation (-UXA)
{If equipped} Intake Manifold Cover (1) @ Upper Intake Manifold Bracket (2) - Install
If equipped, push down on the front of the intake manifold cover (2).
- {If equipped} Intake Manifold Cover Bolt (1) - Install and tighten [2x] - Fastener Specifications
- Connect the battery negative cable. Battery Negative Cable Disconnection and Connection
- Pressurize the fuel system and inspect for leaks.
Alternately hand-tighten the fuel pump bolts one turn at a time until the pump is fully seated. Trying to draw down the pump without even side-to-side tightening may result in pump plunger damage.