Infiniti F50. Manual — part 532

AIR CLEANER AND AIR DUCT

EM-15

C

D

E

F

G

H

I

J

K

L

M

A

EM

AIR CLEANER AND AIR DUCT

PFP:16500

Removal and Installation

EBS001JW

REMOVAL

1.

Remove engine cover and air cleaner cover. Refer to

EM-11, "Removal and Installation"

.

2.

Remove harness connector from mass air flow sensor.

3.

Remove air duct (inlet), air cleaner case/mass air flow sensor assembly and air duct/resonator assembly
disconnecting their joints.

●

Add marks as necessary for easier installation.

4.

Remove mass air flow sensor from air cleaner case.

CAUTION:

Handle mass air flow sensor with following cares.

●

Do not shock it.

●

Do not disassemble it.

●

Do not touch its sensor.

5.

Remove resonator in fender lifting left fender protector.

INSTALLATION

Installation in the reverse order of removal paying attention to the following.

●

Align marks. Attach each joint. Screw clamps firmly.

SBIA0389E

1.

Air cleaner filter

2.

Holder

3.

O-ring

4.

Mass air flow sensor

5.

Vacuum hose

6.

Bracket

7.

Air duct

8.

Air duct (inlet)

9.

Air cleaner case

10.

Resonator

11.

Bracket

12.

Bracket

EM-16

AIR CLEANER AND AIR DUCT

CHANGING AIR CLEANER FILTER

1.

Remove air cleaner cover.
Refer to

EM-11, "Removal and Installation"

.

2.

Remove two clips and lift up air cleaner filter along with holder.

3.

Remove air cleaner filter from holder.

INTAKE MANIFOLD

EM-17

C

D

E

F

G

H

I

J

K

L

M

A

EM

INTAKE MANIFOLD

PFP:14003

Removal and Installation

EBS001L9

1.

PCV tube

2.

PCV hose

3.

EVAP canister purge control sole-
noid valve bracket

4.

EVAP canister purge control solenoid
valve

5.

EVAP hose

6.

EVAP tube

7.

Vacuum gallery

8.

Engine cover front bracket

9.

EVAP hose

PBIC2280E

EM-18

INTAKE MANIFOLD

REMOVAL

WARNING:

To avoid the danger of being scalded, never drain the engine coolant when the engine is hot.

1.

Remove engine cover (with power tool), air cleaner cover and battery cover. Refer to

EM-11, "Removal

and Installation"

.

2.

Release fuel pressure. Refer to

EC-48, "FUEL PRESSURE RELEASE"

.

3.

Remove air cleaner case and air duct assembly. Refer to

EM-15, "Removal and Installation"

.

4.

Drain engine coolant when engine is cooled. Refer to

CO-9, "Changing Engine Coolant"

.

5.

Disconnect fuel tube quick connector on engine side only.

●

Using tool of quick connector release [SST:J-45488], perform
the following steps to disconnect quick connector.

a.

Remove quick connector cap on engine side only.

b.

With the sleeve side of quick connector release facing quick
connector, install quick connector release onto fuel tube.

c.

Insert quick connector release into quick connector until sleeve
contacts and goes no further. Hold the quick connector release
on that position.

CAUTION:

Inserting the quick connector release hard will not discon-
nect quick connector. Hold quick connector release where
it contacts and goes no further.

d.

Draw and pull out quick connector straight from fuel tube.

CAUTION:

●

Pull quick connector holding A position in illustration.

●

Do not pull with lateral force applied. O-ring inside quick connector may be damaged.

●

Prepare container and cloth beforehand as fuel will leak out.

●

Avoid fire and sparks.

●

Be sure to cover openings of disconnected pipes with plug or plastic bag to avoid fuel leakage
and entry of foreign materials.

10. VIAS control solenoid valve

11. Water gallery

12. Gasket

13. Intake manifold lower

14. Water hose

15. Electric throttle control actuator

16. Intake manifold adapter

17. Engine cover rear bracket

18. Accelerator wire bracket

19. Intake manifold upper

20. Vacuum tank

21. Vacuum tank bracket

SBIA0353E

KBIA0702E

SBIA0354E