Nissan Qashqai J11. Manual — part 88
GLOW PLUG
EM-291
< REMOVAL AND INSTALLATION >
[K9K]
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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.
1.
Disconnect battery ground cable.
2.
Remove engine cover. Refer to
EM-281, "Removal and Installation"
.
3.
Disconnect harness connector from glow plug.
4.
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
1.
Remove adhered carbon from glow plug installation hole with a reamer.
2.
Install glow plug.
3.
Install remaining parts in reverse order of removal.
JPBIA3124GB
1.
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
For symbol marks in the figure.
Removal and Installation
INFOID:0000000010287208
REMOVAL
1.
Remove air cleaner case. Refer to
.
2.
Disconnect vacuum hose from vacuum pump side.
3.
Remove vacuum pump bracket.
4.
Remove vacuum pump.
INSTALLATION
Install in the reverse order of removal.
Inspection
INFOID:0000000010287209
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.
E1BIA0905GB
1.
Vacuum pump
2.
Gasket
3.
Vacuum pump bracket
A.
To electric throttle control actuator
B.
To brake booster
C.
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]
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INJECTION TUBE AND FUEL INJECTOR
Exploded View
INFOID:0000000010287210
for symbol marks in the figure.
Removal and Installation
INFOID:0000000010287211
REMOVAL
CAUTION:
• Be sure to read “Precautions for Diesel Equipment”. Refer to
.
• 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 cable from negative terminal.
2.
Remove air inlet tube and air inlet hose. Refer to
3.
Remove oil level gauge guide and plug the hole.
4.
Remove injection tube protection cover.
5.
Remove the neck located on the fuel rail,
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
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.
6.
Remove all the injection tubes.
7.
Plug all the holes in the injection circuit.
8.
Remove fuel rail.
9.
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.
2.
Dry off using a different new wipe.
3.
Insert a large diameter screwdriver (diameter > 8 mm (0.315 in)into the well to block the opening to the
combusion chamber.
4.
Blast out any scale residue in the well using a compressed air nozzle.
5.
Remove the screwdriver and repeat the cleaning operation for the injector well concerned twice in succes-
sion.
6.
Replace the flame shield washer with a new one.
7.
Position the injector.
8.
Tighten its mounting bracket.
9.
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
.
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)
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