Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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 (2) with the Number 1 (1) on the outside and turn the crankshaft until the camshaft lobe is at the base circle position.
- Remove the EN-52443 High Pressure Fuel Pump Alignment Tool (2).
Lubricate the fuel injection pump shaft lifter roller (1) with engine oil. Adhesives, Fluids, Lubricants, and Sealers
- Fuel Injection Pump Shaft Lifter Roller (1) - Install
Fuel Pump Housing Seal (1) - Install NEW
- Fuel Pump (2) - Install
The fuel pump flange must be fully seated to the cylinder head.
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.
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.