Nissan Qashqai (2007-2010). Manual - part 82

EM-276

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VACUUM PUMP

VACUUM PUMP

Exploded View

INFOID:0000000001060285

Removal and Installation

INFOID:0000000001060442

REMOVAL

1.

Remove engine cover. Refer to 

EM-266, "Removal and Installation"

.

2.

Remove battery.

3.

Remove elctric throttle control actuator.

4.

Disconnect vacuum hose from vacuum pump side.

5.

Remove vacuum pump.

INSTALLATION

Install in the reverse order of removal.

Inspection

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INSPECTION BEFORE REMOVAL

1.

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.

2.

Start engine and measure generated vacuum at idle speed.

1.

Vacuum pump

2.

Gasket

A.

To vacuum hose

 : Engine front

Refer to 

GI-4, "Components"

 for symbols in the figure.

E1BIA0007GB

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

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INJECTION TUBE AND FUEL INJECTOR

Exploded View

INFOID:0000000001060309

Removal and Installation

INFOID:0000000001060443

REMOVAL

CAUTION:

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

EM-249, "Precaution for Diesel Equip-

ment"

.

• 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.

1.

Disconnect the battery.

2.

Remove engine cover. Refer to 

EM-266, "Removal and Installation"

.

3.

Remove charge air cooler hose and pipes. Refer to 

EM-266, "Removal and Installation"

.

4.

Remove oil level gauge guide and plug the hole.

1.

Spill hose

2.

Injection tube

3.

Fuel injector

4.

Heat protection washer

5.

Fuel injector bracket

6.

Fuel injector bracket spacer

7.

Fuel rail stud bolt

8.

Fuel rail

9.

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

Refer to 

GI-4, "Components"

 for symbols in the figure.

E1BIA0018GB

EM-278

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INJECTION TUBE AND FUEL INJECTOR

5.

Remove injection tube protection cover.

6.

Remove the neck located on the fuel rail,
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.

7.

Remove all the injection tubes.

8.

Plug all the holes in the injection circuit.

9.

Remove fuel rail.

10. Disconnect fuel return pipe.
11. Remove retaining clip and disconnect the diesel return pipe on

the injector.

12. Plug all the holes of the injection circuit.
13. Disconnect the injector harness connector.

14. Unscrew the injector bracket.

15. Remove the injector.
16. 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.

2.

Dry off using a different new wipe.

3.

Replace the flame shield washer with a new one.

4.

Position the injector.

5.

Tighten its mounting bracket.

6.

Install injection tubes with new one.

7.

Finger tightens the nuts.

8.

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.

9.

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.

10. Install the rail-injector injection tube.

11. Tighten the injection tube nut.

E1BIA0049ZZ

: 30.0 N·m (3.1 kg-m, 22 ft-lb)

: 24.0 N·m (2.4 kg-m, 18 ft-lb)

INJECTION TUBE AND FUEL INJECTOR

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12. Connect fuel return pipe to injector and install retaining clip.

13. Install in the reverse order to removal for the other refitting oper-

ations.

E1BIA0055ZZ