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 will sit flush with the cylinder head.
Install the EN-52443 High Pressure Fuel Pump Alignment Tool and turn the crankshaft until the camshaft lobe is at the base circle position.
- Remove the EN-52443 High Pressure Fuel Pump Alignment Tool.
- Lubricate the valve lifter follower (4) with clean engine oil.
- Valve Lifter Follower (4) - Install
- Fuel Pump Seal (3) - Install NEW
- Fuel Pump (2) - Install
- Fuel Pump Stud (1) - Install and tighten [2x] - Fastener Specifications
- Electrical Connector @ Fuel Pump - Connect
- 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
Fuel Feed Intermediate Pipe (2) - Install NEW
- Fuel Injection Fuel Feed Pipe Bracket Bolt (1) - Install and tighten - Fastener Specifications
Nut @ Fuel Feed Intermediate Pipe (1) - Install and hand tighten [2x]
- Nut @ Fuel Feed Intermediate Pipe (1) - Tighten [2x] - Fastener Specifications
Upper Intake Manifold Bracket (2) - Install
- Upper Intake Manifold Cover Nut (1) - Install and tighten [2x] - Fastener Specifications
Radiator Surge Tank Inlet Hose Clip (2) @ Upper Intake Manifold Bracket (3) - Install
- Upper Intake Manifold Cover Nut (1) - Install and tighten [2x] - Fastener Specifications
Electrical Connector (1) - Connect as necessary
Fuel Feed Pipe (1) @ Fuel Pump - Connect - Metal Collar Quick Connect Fitting Service
Intake Manifold Cover Insulator (2) - Install
- Intake Manifold Cover Bolt (1) - Install and tighten - Fastener Specifications
Intake Manifold Cover (1) @ Upper Intake Manifold Bracket (2) - Install
Push down on the front of the intake manifold cover (2).
- Intake Manifold Cover Bolt (1) - Install and tighten [2x] - Fastener Specifications
- Install the oil fill cap.
- Connect the battery negative cable. Battery Negative Cable Disconnection and Connection
- Inspect for leaks using the following procedure:
- Turn ON the ignition with the engine OFF for 2 seconds.
- Turn OFF the ignition for 10 seconds.
- Turn ON the ignition with the engine OFF.
- Inspect for fuel 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.