Frontier 2WD V6-3.3L (VG33E) (2003)
a. Harness connectors for:
^
IACV-AAC valve
^
Throttle position sensor
^
Throttle position switch
^
Distributor (ignition coil)
^
Distributor
^
EGRC solenoid valve (VG33E only)
^
EGR temperature sensor (VG33E only)
b. Water hoses from collector (VG33ER only)
c. Heater hoses
d. PCV hose from RH/LH rocker cover
e. Vacuum hoses for:
^
Brake master cylinder
^
Pressure regulator
f.
Purge hose from purge control valve
g. Spark plug wires
h. Three left/right bank injector connectors
i.
Ground harness
j.
EGR tube (VG33E only)
20. Install the ASCD and accelerator control wires on to the intake manifold collector (VG33E only).
21. Check the hydraulic valve lifter.
a. Push the plunger forcefully with your finger.
^
Be sure to check the hydraulic lifter with the rocker arm is in the free position (not on the lobe).
b. If the valve lifter moves more than 1 mm (0.04 inch), air may be inside it.
c. Bleed the air out by running the engine at 1,000 rpm under no load for about 10 minutes.
d. If the hydraulic valve lifters are still noisy, replace them.
e. Bleed off the air by running the engine at 1,000 rpm under no load for about 10 minutes. Repeat as necessary to bleed the air out of the new
lifters.
22. Install the remaining components in the reverse order of removal.