Nissan Qashqai (2007-2010). Manual - part 106

PRECAUTIONS

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< PRECAUTION >

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PRECAUTION

PRECAUTIONS

Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT 
PRE-TENSIONER"

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The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”, used along
with a front seat belt, helps to reduce the risk or severity of injury to the driver and front passenger for certain
types of collision. This system includes seat belt switch inputs and dual stage front air bag modules. The SRS
system uses the seat belt switches to determine the front air bag deployment, and may only deploy one front
air bag, depending on the severity of a collision and whether the front occupants are belted or unbelted.
Information necessary to service the system safely is included in the SRC and SB section of this Service Man-
ual.

WARNING:

• To avoid rendering the SRS inoperative, which could increase the risk of personal injury or death in

the event of a collision which would result in air bag inflation, all maintenance must be performed by
an authorized NISSAN/INFINITI dealer.

• Improper maintenance, including incorrect removal and installation of the SRS, can lead to personal

injury caused by unintentional activation of the system. For removal of Spiral Cable and Air Bag
Module, see the SRC section.

• Do not use electrical test equipment on any circuit related to the SRS unless instructed to in this

Service Manual. SRS wiring harnesses can be identified by yellow and/or orange harnesses or har-
ness connectors.

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PREPARATION

PREPARATION

PREPARATION

Special Service Tools

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Tool number
(RENAULT tool number)
Tool name

Description

—
(M.S. 554-07)
Reservoir tank cap tester

1. Adapter A
—
(M.S. 554-01)
2. Adapter B
—
(M.S. 554-06)

Checking radiator and reservoir tank cap

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ENGINE COOLANT

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ON-VEHICLE MAINTENANCE

ENGINE COOLANT

Inspection

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LEVEL 

• Check if the reservoir tank engine coolant level is within the “MIN”

to “MAX” when the engine is cool.

• Adjust the engine coolant level as necessary.
• Check that the reservoir tank cap is tightened.

WARNING:

Never remove reservoir tank cap when engine is hot. Serious
burns could occur from high-pressure engine coolant escaping
from reservoir tank.

LEAKAGE

• To check for leakage, fit the adapter to the reservoir tank, and then

connect it to the reservoir tank cap tester [SST: — (M.S.554-07)]
(A) as shown.

WARNING:

Never remove reservoir tank cap when engine is hot. Serious
burns could occur from high-pressure engine coolant escap-
ing from reservoir tank.

CAUTION:

Higher test pressure than specified may cause radiator dam-
age.

• If anything is found, repair or replace damaged parts.

Draining

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WARNING:

• Never remove reservoir tank cap when engine is hot. Serious burns could occur from high-pressure

engine coolant escaping from reservoir tank. 

• Wrap a thick cloth around the reservoir tank cap. Slowly turn it a quarter of a turn to release built-up

pressure. Then turn it all the way.

1.

Disconnect radiator hose (lower) and reservoir tank cap. 
When draining all of engine coolant in the system, open water drain plugs on cylinder block. Refer
to 

EM-93, "Exploded View"

.

CAUTION:

• Perform this step when engine is cold.
• Never spill engine coolant on drive belt.

2.

Remove reservoir tank if necessary, and drain engine coolant and clean reservoir tank before installing.
Refer to 

CO-13, "Exploded View"

.

3.

Check drained engine coolant for contaminants such as rust, corrosion or discoloration. If contaminated,
flush the engine cooling system. Refer to 

CO-12, "RADIATOR : Inspection"

.

Refilling

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1.

Install reservoir tank if removed.

2.

Connect radiator hose (lower).
• If water drain plugs on cylinder block are removed, close and tighten them. Refer to 

EM-74, "Exploded

View"

.

3.

Make sure that each hose clamp has been firmly tightened.

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Testing pressure: Refer to 

CO-23, "Radiator"

.

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ENGINE COOLANT

4.

Disconnect heater hose (1) at position (

) in the figure.

• Enhance heater hose as high as possible, keeping heater

hose end above reservoir tank MAX level.

5.

 Fill reservoir tank to specified level.
• Pour coolant slowly of less than 2 (1-3/4 lmp qt) a minute

to allow air in system to escape.

• When coolant from heater unit starts to drain, connect

heater hose and continue to fill up to reservoir tank MAX
level.

• Start engine without closing reservoir tank cap.
• Keep engine racing at 1,500 rpm for about 2-3 minutes,

filling reservoir tank up to MAX. Level, if necessary.

• Use Genuine Nissan Engine Coolant or equivalent mixed

with water (distilled or demineralized). Refer to 

MA-21,

"Fluids and Lubricants"

.

6.

Install reservoir tank cap.

7.

Warm up engine until opening thermostat. Standard for warming-up time is approximately 10 minutes at
2,000 - 2,500 rpm.
• Make sure thermostat opening condition by touching radiator hose (lower) to see a flow of warm water.

CAUTION:

Watch water temperature gauge so as not to overheat engine.

8.

Stop the engine and cool down to less than approximately 50

°

C (122

°

F).

• Cool down using fan to reduce the time.

9.

Refill reservoir tank to “MAX” level line with engine coolant, if necessary.

10. Repeat steps 6 through 9 two or more times with reservoir tank cap installed until reservoir tank level no

longer drops. 

11. Check cooling system for leaks with engine running.

12. Warm up the engine, and check for sound of engine coolant flow while running engine from idle up to

3,000 rpm with heater temperature controller set at several position between “COOL” and “WARM”.
• Sound may be noticeable at heater unit.

13. Repeat step 12 three times.
14. If sound is heard, bleed air from cooling system by repeating step 6 through 9 until reservoir tank level no

longer drops. 

15. Check that the reservoir tank cap is tightened.

Flushing

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1.

Install reservoir tank if removed.

2.

Disconnect radiator hose (lower) and reservoir tank cap.

: Vehicle front

PBIC3802E

Engine coolant capacity
(With reservoir tank at “MAX” level)

Refer to 

CO-23, "Periodical Maintenance Specification"

.

Reservoir tank engine coolant capacity 
(At “MAX” level)

Refer to: 

CO-23, "Periodical Maintenance Specification"

.

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