Installation Procedure
- Use the EN-51092
alignment gauge (2) to ensure that the camshaft lobe is in the base circle position. At base circle position, the tool will be flush with the top surface of the Lifter Oil Manifold Assembly (1).
NOTE: The camshaft must be in the base circle position before the high pressure fuel pump is installed.
- Install a NEW high pressure fuel pump gasket (1).
NOTE: Ensure that the high pressure fuel pump roller lifter is oriented properly, the camshaft is at base circle and the number 1 piston is at top dead center (TDC) on the exhaust stroke.NOTE: Ensure the plastic fastener retainers (3) are installed in the high pressure fuel pump mounting holes before installing.
- Install the high pressure fuel pump (2) and high pressure fuel pump cover (4).
- Fuel Pump Bolt (5)» Install [2x]CAUTION: Refer to Fastener Caution .CAUTION: 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.
- Fuel Pump Bolt (5)» Tighten 25 N.m (18 lb ft) [2x]
- Position injector harness and connect fuel pump.
- Install the NEW high pressure fuel feed pipe (1) that connects the fuel pump to the crossover pipe (3). Finger-tighten both fuel pipe fitting nuts (2).
- Tighten the high pressure fuel feed pipe fittings to 28 N.m (21 lb ft) in the following order: at the fuel pump (1) then at the crossover (2).
- Install low pressure fuel feed pipe (1) to the fuel pump (2). Press fuel pipe until an audible click is heard. Install redundant clip (3). Refer to Metal Collar Quick Connect Fitting Service .
- Install the low pressure fuel feed pipe to LH rocker cover. Tighten fuel feed fasteners (4) to 10 N.m (89 lb in).
- Install the fuel pump insulator (1). Refer to Fuel Pump Insulator Replacement .