Removal and Installation: Installation
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
- Install O-ring to high pressure fuel pump.CAUTION:
- Do not reuse O-ring.
- Handle O-ring with bare hands. Do not wear gloves.
- Lubricate O-ring with new engine oil.
- Check that O-ring and its mating part are free of foreign material.
- When installing O-ring, be careful not to scratch it with suitable tool or fingernails. Also be careful not to twist or stretch O-ring. If O-ring was stretched while it was being attached, do not insert it immediately into front cover.
- Insert new O-ring straight into high pressure fuel pump. Do not decenter or twist it.
- Rotate engine clockwise and visually check for bottom dead center of high pressure fuel pump lobe on camshaft.
- Apply clean engine oil to high pressure fuel pump bore.
- When installing lifter, note the orientation of lifter protrusion (B) and cutout in No. 1 camshaft bracket [bank 2 (A)] should be aligned.
- Install high pressure fuel pump and tighten the bolts using the following procedure:CAUTION:
- Do not reuse O-ring.
- Do not disassemble plunger on bottom of high pressure fuel pump.
NOTE: Apply clean engine oil to lifter contact surface and O-ring. - Connect harness connector to high pressure fuel pump.
- Install fuel feed tube using the following procedure:CAUTION:
- When removing fuel feed tube (pump side), always replace fuel feed tube (bank side) together with fuel feed tube (pump side).
- Do not reuse fuel feed tube (pump side).
- Do not use fuel feed tube (pump side) if its terminal tip is damaged.
- Observe the tightening order and the tightening torque.
- Apply clean engine oil to the inside of flare nut and seating surfaces.
- Install fuel feed tube and fuel feed tube bracket and hand tighten in the sequence shown, below.
Courtesy of NISSAN NORTH AMERICA, INC.
CAUTION: When temporarily tightening flare nut, place pipe in the center of the nut inner diameter.NOTE: Should be no gap between fuel feed tube, fuel feed tube bracket and rear timing chain case. - Temporarily tighten fuel feed tube flare nuts to the specified torque in the sequence shown, above.
Flare nut
: 15 N.m (1.5 kg-m, 11 ft-lb)
- Tighten fuel feed tube nuts to the specified torque in the sequence shown, above.NOTE: Repeat step twice.
Flare nut
: 36.0 N.m (3.7 kg-m, 27 ft-lb)
- Tighten fuel feed tube bracket to the specified torque in the sequence shown, above.
Bolt
: 13.5 N.m (1.4 kg-m, 10 ft-lb)
- Installation of the remaining components is in the reverse order of removal.CAUTION: After checking fuel leakage, maintain ten minutes of idling to bleed the fuel line.