Content .. 86 87 88 89 ..

Nissan Qashqai J11. Manual - part 88

GLOW PLUG

EM-291

< REMOVAL AND INSTALLATION >

[K9K]

GLOW PLUG

Exploded View

INFOID:0000000010282074

Removal and Installation

INFOID:0000000010282075

REMOVAL

CAUTION:

Remove glow plug only if necessary. If carbon adheres, it may be stuck and broken.

Disconnect battery ground cable.

Remove engine cover. Refer to

EM-281, "Removal and Installation"

Disconnect harness connector from glow plug.

Remove glow plug.

CAUTION:

• When removing or installing, do not use such tools as an air impact wrench.
• Handle it carefully without giving any impact, even after removal. [As a guide, if it drops from

height of 10 cm (3.94 in) or higher, always replace it.]

INSTALLATION

Remove adhered carbon from glow plug installation hole with a reamer.

Install glow plug.

Install remaining parts in reverse order of removal.

JPBIA3124GB

Glow plug

Engine front

: N·m (kg-m, ft-lb)

: 15.0 N·m (1.5 kg-m, 11 ft-lb)

EM-292

< REMOVAL AND INSTALLATION >

[K9K]

VACUUM PUMP

VACUUM PUMP

Exploded View

INFOID:0000000010287207

Refert to

GI-4, "Components"

For symbol marks in the figure.

Removal and Installation

INFOID:0000000010287208

REMOVAL

Remove air cleaner case. Refer to

EM-279, "Exploded View"

Disconnect vacuum hose from vacuum pump side.

Remove vacuum pump bracket.

Remove vacuum pump.

INSTALLATION

Install in the reverse order of removal.

Inspection

INFOID:0000000010287209

INSPECTION BEFORE REMOVAL

Disconnect vacuum hose, and connect a vacuum gauge via 3-way connector.
• Disconnect point where vacuum from vacuum pump can be measured directly and install 3-way connec-

tor.

Start engine and measure generated vacuum at idle speed.

E1BIA0905GB

Vacuum pump

Gasket

Vacuum pump bracket

To electric throttle control actuator

To brake booster

To turbocharger boost control sole-
noide valve.

Standard

: -86.6 to -101.3 kPa (-866 to -1,013 mbar, -650 to -760 mmHg, -25.59 to -29.92 inHg)

INJECTION TUBE AND FUEL INJECTOR

EM-293

< REMOVAL AND INSTALLATION >

[K9K]

INJECTION TUBE AND FUEL INJECTOR

Exploded View

INFOID:0000000010287210

Refer to

GI-4, "Components"

for symbol marks in the figure.

Removal and Installation

INFOID:0000000010287211

REMOVAL

CAUTION:

• Be sure to read “Precautions for Diesel Equipment”. Refer to

FL-30, "General Precautions"

• Wait until the fuel temperature drops before carrying out any work.
• Order the special high pressure injection circuit plug kit.
• It is forbidden to open an injector. If you open an injector by mistake, you will have to change it.

This is because of the manufacturing and installation tolerances and because there is a risk of con-
taminating the inside of the injector.

• The rod filter of the injector must not be removed.
NOTE:
It is possible to replace a single injection tube.

Disconnect the battery cable from negative terminal.

Remove air inlet tube and air inlet hose. Refer to

EM-281, "Exploded View"

Remove oil level gauge guide and plug the hole.

Remove injection tube protection cover.

Remove the neck located on the fuel rail,

Spill hose

Injection tube

Fuel injector

Heat protection washer

Fuel injector bracket

Fuel injector bracket spacer

Fuel rail stud bolt

Fuel rail

High pressure protection cover (low-
er)

10. Injection tube

11.

High pressure supply pump

12. High pressure protection cover (up-

per)

13. Oil level gauge guide

E1BIA0907GB

EM-294

< REMOVAL AND INSTALLATION >

[K9K]

INJECTION TUBE AND FUEL INJECTOR

NOTE:
Undo the nut on the pump side or the injector side, then the nut located on the rail side. Undo the
nuts for each pipe in turn. Move the nut along the pipe keeping the olive in contact with the taper.

Remove all the injection tubes.

Plug all the holes in the injection circuit.

Remove fuel rail.

Disconnect fuel return pipe.

10. Manually remove the injector diesel return hose.

CAUTION:

Never force on the diesel injector return hose

11. Plug all the holes of the injection circuit.

12. Disconnect the injector harness connector.
13. Unscrew the injector bracket.

14. Remove the injector.

15. Pull off the flame shield washer.

INSTALLATION

CAUTION:

All the injection tubes removed must be systematically replaced.
1.

Clean the injector sockets and the injector bodies, as well as their brackets using a lint-free cloth (use the
wipes recommended for this purpose, dipped in clean solvent.

Dry off using a different new wipe.

Insert a large diameter screwdriver (diameter > 8 mm (0.315 in)into the well to block the opening to the
combusion chamber.

Blast out any scale residue in the well using a compressed air nozzle.

Remove the screwdriver and repeat the cleaning operation for the injector well concerned twice in succes-
sion.

Replace the flame shield washer with a new one.

Position the injector.

Tighten its mounting bracket.

Install injection tubes with new one.

10. Finger tightens the nuts.
11. Before fitting the new injection tubes, lightly lubricate the nut threads with the oil from the sachet provided

in the new parts kit.
NOTE:
Fit the pump/rail pipe before the rail/injector tubes.

12. Fit the pump-rail injection tube as follow:

• Remove the protective plugs from the high pressure pump outlet, the high pressure rail inlet and the

pipe.

• Insert the injection tube olive into the taper of the high pressure pump outlet,
• Insert the injection tube olive into the taper of the high pressure rail inlet.
• Finger tighten the nuts of the injection tube starting with the one located on the rail side.

13. Install the rail-injector injection tube.

14. Tighten the injection tube nut.

15. Connect fuel return pipe.

16. When replacing the injector, this procedure must be performed. Refer to

ECK-130, "Special Repair

Requirement List"

17. Install in the reverse order to removal for the other refitting operations.

: 27.0 N·m (2.8 kg-m, 20 ft-lb)

: 28.0 N·m (2.9 kg-m, 21 ft-lb)

Content .. 86 87 88 89 ..