Regulator, Fuel Pressure: Installation
Observe the following precautions when working on fuel systems: No sparks, open flames or smoking. Avoid inhaling and swallowing fuel. Avoid eye and skin contact with fuel. Pour fuels only into suitable and appropriately marked containers. Wear protective clothing. Failure to observe these precautions may result in fire, explosion, property damage, and serious or fatal injury.
High-pressure lines deliver diesel fuel under extreme pressure from the injection pump to the fuel injectors. This may be as high as 2000 bar (29, 008 psi). Use extreme caution when inspecting for high-pressure fuel leaks. Fuel under this amount of pressure can penetrate skin causing personal injury or death. Inspect for high-pressure fuel leaks with a sheet of cardboard. Wear safety goggles and adequate protective clothing when servicing fuel system.
- Remove the protective cap from fuel rail opening.
- Make sure the fuel rail opening is clean of debris.
- Lubricate the O-ring seal (1) with clean diesel fuel.
- Install the fuel pressure solenoid (1):
- Using the (special tool #VM.10491, Wrench, Fuel Pressure Regulator) (1), tighten to 60 N.m (44 ft. lbs.).
- Loosen 90°.
- Tighten to 85 N.m (63 ft. lbs.).
- Connect the fuel pressure solenoid wire harness connector (1).
- Install the fuel injector silencer (1).
- Connect the Charge Air Cooler (CAC) outlet tube (2) to turbocharger (1) and engage spring clip.
- Install the engine cover (1).
- Connect the negative battery cable.