Nissan Juke Service and Repair Manual : Engine maintenance (MR16DDT)

Drive belt

DRIVE BELT : Exploded View

1. Alternator


1. Alternator
2. Drive belt auto-tensioner 3. Crankshaft pulley
4. A/C compressor
5. Water pump
6. Drive belt

A. Possible use range B. Range when new drive belt is installed C. Indicator

DRIVE BELT : Checking

WARNING:
Perform this step when engine is stopped.

• Check that the indicator (C) (notch on fixed side) of drive belt auto-tensioner is within the possible use range (A) in the figure.

NOTE

:
• Check the drive belt auto-tensioner indication when the engine is cold.

• When new drive belt is installed, the indicator (notch on fixed side) should be within the range (B) in the figure.

• Visually check entire drive belt for wear, damage or cracks.

• If the indicator (notch on fixed side) is out of the possible use range or belt is damaged, replace drive belt.

DRIVE BELT : Tension Adjustment

Refer to : EM-129, "Drive Belt".

Engine coolant

ENGINE COOLANT : Inspection

LEVEL

• Check that the reservoir tank engine coolant level is within the “MIN” to “MAX” when the engine is cool.

A : MAX
B : MIN

• Adjust the engine coolant level if necessary

LEAKAGE


LEAKAGE

• To check for leakage, apply pressure to the cooling system with the radiator cap tester (commercial service tool) (A) and the radiator cap tester adapter (commercial service tool) (B).

Testing pressure: Refer to CO-29, "Radiator".

WARNING:


WARNING:
Never remove radiator cap when engine is hot. Serious burns may occur from high-pressure engine coolant escaping from radiator.

CAUTION:
Higher test pressure than specified may cause radiator damage.

NOTE

:
In a case that engine coolant decreases, replenish radiator with engine coolant.

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

ENGINE COOLANT : Draining

WARNING:
• Never remove radiator cap when engine is hot. Serious burns may occur from high-pressure engine coolant escaping from radiator.

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

Then turn it all the way.

1. Connect drain hose.

• Use a genera-purpose hose with the dimensions show in the figure.

A : φ 8 mm
B : 300 mm

2. Open radiator drain plug (A) at the bottom of radiator, and then


2. Open radiator drain plug (A) at the bottom of radiator, and then remove radiator cap.

CAUTION:: Vehicle front


CAUTION:
Perform this step when engine is cold.

• When draining all of engine coolant in the system, open water drain plugs on cylinder block. Refer to EM-63, "Setting".

3. Remove reservoir tank if necessary, and drain engine coolant and clean


3. Remove reservoir tank if necessary, and drain engine coolant and clean reservoir tank before installing. Refer to CO-17, "Exploded View".

4. Check drained engine coolant for contaminants such as rust, corrosion or discoloration. If contaminated, flush the engine cooling system. Refer to MA-18, "ENGINE COOLANT : Flushing".

ENGINE COOLANT : Refilling

1. IInstall reservoir tank if removed, and install radiator drain plug.

CAUTION:
Be sure to clean drain plug and install with new O-ring.

Radiator drain plug : Refer to CO-17, "Exploded View".

• If water drain plugs on cylinder block are removed, close and tighten them. Refer to EM-63, "Setting".

2. Check that each hose clamp has been firmly tightened.

3. Remove air duct (between air cleaner cover assembly and turbocharger inlet tube). Refer to EM-26, "Exploded View".

4. For LHD models, disconnect vacuum hose break booster side, and removal vacuum tube from clamp. Refer to BR-49, "MR16DDT : Exploded View" (LHD models).

5. Disconnect heater hose (1) at position ( : Vehicle front) in the figure.


• Enhance heater hose as high as possible.: Vehicle front


• Enhance heater hose as high as possible.

6. Fill radiator (1) to specified level.


6. Fill radiator (1) to specified level.

CAUTION:
Never adhere the engine coolant to electronic equipments (alternator etc.).

• Pour coolant slowly of less than 2 (2-1/8 US qt, 1-3/4 Imp qt) a minute to allow air in system to escape.

• When engine coolant overflows disconnected heater hose, connect heater hose, and continue filling the engine coolant.

• Use Genuine NISSAN Engine Coolant or equivalent in its quality mixed with water (distilled or demineralized). Refer to MA-13, "Fluids and Lubricants".

Engine coolant capacity (With reservoir tank at “MAX” level) Refer to CO-29, "Periodical Maintenance Specification".

7. Refill reservoir tank to “MAX” level line with engine coolant.


7. Refill reservoir tank to “MAX” level line with engine coolant.

A : MAX
B : MIN

Reservoir tank engine coolant capacity (At “MAX” level)
Refer to CO-29, "Periodical Maintenance Specification".

8. Install air duct (between air cleaner cover assembly and turbocharger


8. Install air duct (between air cleaner cover assembly and turbocharger inlet tube). Refer to EM-26, "Exploded View".

9. Install radiator cap.

10. Warm up engine until opening thermostat. Standard for warming-up time is approximately 10 minutes at 3,000 rpm.

• Check 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.

11. Stop the engine and cool down to less than approximately 50°C (122°F).

• Cool down using fan to reduce the time.

• If necessary, refill radiator up to filler neck with engine coolant.

CAUTION:
Never adhere the engine coolant to electronic equipments (alternator etc.).

12. Refill reservoir tank to “MAX” level line with engine coolant.

13. Repeat steps 6 through 11 two or more times with radiator cap installed until engine coolant level no longer drops.

14. Check cooling system for leakage with engine running.

15. 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.

16. Repeat step 15 three times.

17. If sound is heard, bleed air from cooling system by repeating step 6 through 11 until reservoir tank level no longer drops.

ENGINE COOLANT : Flushing

1. Install radiator drain plug.

CAUTION:
Be sure to clean drain plug and install with new O-ring.

Radiator drain plug : Refer to CO-17, "Exploded View".

• If water drain plugs on cylinder block are removed, close and tighten them. Refer to EM-63, "Setting".

2. Remove air duct (between air cleaner cover assembly and turbocharger), air cleaner cover assembly and air cleaner body assembly. Refer to EM-26, "Exploded View".

3. Disconnect vacuum hose break booster side, and remove vacuum tube from clamp. Refer to .

4. Disconnect heater hose (1) at position () in the figure.
) in the figure.

• Enhance heater as high as possible.: Vehicle front


• Enhance heater as high as possible.

5. Fill radiator and reservoir tank with water and reinstall radiator cap.


5. Fill radiator and reservoir tank with water and reinstall radiator cap.

• When engine coolant over flows disconnected heater hose, connect heater hose, and continue filling the engine coolant.

6. Connect vacuum hose, and install vacuum tube. Refer to .

7. Install air duct (between air cleaner cover and turbocharger), air cleaner cover assembly and air cleaner body assembly. Refer to EM-26, "Exploded View".

8. Run the engine and warm it up to normal operating temperature.

9. Rev the engine two or three times under no-load.

10. Stop the engine and wait until it cools down.

11. Drain water from the system. Refer to MA-16, "ENGINE COOLANT : Draining".

12. Repeat steps 1 through 9 until clear water begins to drain from radiator.

Radiator cap

RADIATOR CAP : Inspection

• Check valve seat (A) of radiator cap.

B : Metal plunger

- Check that valve seat is swollen to the extent that the edge of the plunger cannot be seen when watching it vertically from the top.

- Check that valve seat has no soil and damage.

• Pull negative-pressure valve to open it, and that it close completely


• Pull negative-pressure valve to open it, and that it close completely when released.

- Check that there is no dirt or damage on the valve seat of radiator cap negative-pressure valve.

- Check that there are no unusualness in the opening and closing conditions of negative-pressure valve.

• Check radiator cap relief pressure.


• Check radiator cap relief pressure.

Standard and Limit : Refer to CO-29, "Radiator".

- When connecting radiator cap to the radiator cap tester (commercial service tool) (A) and the radiator cap tester adapter (commercial service tool) (B), apply engine coolant to the cap seal surface.

• Replace radiator cap if there is an unusualness related to the above three.


• Replace radiator cap if there is an unusualness related to the above three.

CAUTION:
When installing radiator cap, thoroughly wipe out the radiator filler neck to remove any waxy residue or foreign material.

Radiator

RADIATOR : Inspection

Check radiator for mud or clogging. If necessary, clean radiator as follows.

CAUTION:
• Be careful not to bend or damage radiator fins.

• When radiator is cleaned without removal, remove all surrounding parts such as radiator cooling fan assembly and horns. Then tape harness and harness connectors to prevent water from entering.

1. Apply water by hose to the back side of the radiator core vertically downward.

2. Apply water again to all radiator core surfaces once per minute.

3. Stop washing if any stains no longer flow out from radiator.

4. Blow air into the back side of radiator core vertically downward.

• Use compressed air lower than 490 kPa (4.9 bar, 5 kg/cm2, 71 psi) and keep distance more than 30 cm (11.81 in).

5. Blow air again into all the radiator core surfaces once per minute until no water sprays out.

Fuel lines

FUEL LINES : Inspection

Inspect fuel lines, fuel filler cap, and fuel tank for improper attachment, leakage, cracks, damage, loose connections, chafing or deterioration.

A : Engine
B : Fuel line
C : Fuel tank

If necessary, repair or replace damaged parts.

Air cleaner filter


Air cleaner filter

AIR CLEANER FILTER : Removal and Installation

REMOVAL

1. Remove air duct assembly (duct side) (1).

2. Unhook the tabs (A) of both ends of the air cleaner cover.

3. Remove the air cleaner filter (1) and air cleaner body (2) from


3. Remove the air cleaner filter (1) and air cleaner body (2) from the air cleaner case.

4. Remove the air cleaner filter from the air cleaner body.

INSTALLATION


INSTALLATION

Note the following, and install in the reverse order of removal.

• Fixing clips shall be fixed after inserting air cleaner body protrusion to air cleaner case notch hole.

• Make sure that whether air cleaner body has been firmly installed by shaking it.

Engine oil

ENGINE OIL : Draining

WARNING:
• Be careful not to get burned, as engine oil may be hot.

• Prolonged and repeated contact with used engine oil may cause skin cancer. Try to avoid direct skin contact with used engine oil. If skin contact is made, wash thoroughly with soap or hand cleaner as soon as possible.

1. Warm up the engine, and check for engine oil leakage from engine components. Refer to LU-8, "Inspection".

2. Stop the engine and wait for 10 minutes.

3. Loosen oil filler cap.

4. Remove drain plug and then drain engine oil.

ENGINE OIL : Refilling

1. Install drain plug with new drain plug washer. Refer to EM-40, "Exploded View".

CAUTION:
Be sure to clean drain plug and install with new drain plug washer.

Tightening torque : Refer to EM-40, "Exploded View".

2. Refill with new engine oil.

Engine oil specification and viscosity: Refer to MA-13, "Fluids and Lubricants".

Engine oil capacity : Refer to LU-18, "Periodical Maintenance Specification".

CAUTION:
• The refill capacity depends on the engine oil temperature and drain time. Use these specifications for reference only.

• Always use oil level gauge to determine the proper amount of engine oil in the engine.

3. Warm up engine and check area around drain plug and oil filter for engine oil leakage.

4. Stop engine and wait for 10 minutes.

5. Check the engine oil level. Refer to LU-8, "Inspection".

Oil filter

OIL FILTER : Removal and Installation

REMOVAL

1. Remove engine under cover.

2. Using oil filter wrench [SST: KV10115801 (J-38956)] (A), remove oil filter.

CAUTION:: Vehicle front


CAUTION:
• Oil filter is provided with relief valve. Use genuine NISSAN oil filter or equivalent.

• Be careful not to get burned when engine and engine oil may be hot.

• When removing, prepare a shop cloth to absorb any engine oil leakage or spillage.

• Completely wipe off any engine oil that adheres to engine and vehicle.

INSTALLATION


INSTALLATION

1. Remove foreign materials adhering to the oil filter installation surface.

2. Apply new engine oil to the oil seal contact surface of new oil filter.

3. Screw oil filter manually until it touches the installation surface,


3. Screw oil filter manually until it touches the installation surface, then tighten it by 2/3 turn (A). Or tighten to specification.

Oil filter: : 17.7 N·m (1.8 kg-m, 13 ft-lb)


OIL FILTER : Inspection


OIL FILTER : Inspection

INSPECTION AFTER INSTALLATION

1. Check the engine oil level. Refer to LU-8, "Inspection".

2. Start the engine, and check that there is no leakage of engine oil.

3. Stop the engine and wait for 10 minutes.

4. Check the engine oil level, and adjust the level. Refer to LU-8, "Inspection".

Spark plug

SPARK PLUG : Removal and Installation

REMOVAL

1. Remove engine cover. Refer to EM-25, "Exploded View".

2. Remove air inlet tube assembly. Refer to EM-31, "Exploded View".

3. Remove ignition coil.

4. Remove spark plug with a spark plug wrench (commercial service tool).

a : 14 mm (0.55 in)

CAUTION:
Never drop or shock spark plug.

INSTALLATION


INSTALLATION

Install in the reverse order of removal

SPARK PLUG : Inspection

INSPECTION AFTER REMOVAL

Use the standard type spark plug for normal condition.

Spark plug (Standard type) : Refer to EM-129, "Spark Plug".

CAUTION:
• Never drop or shock spark plug.

• Never use a wire brush for cleaning.

• If plug tip is covered with carbon, spark plug cleaner may be used.

Cleaner air pressure : Less than 588 kPa (6 kg/cm2, 85 psi)
Cleaning time : Less than 20 seconds

• Spark plug gap adjustment is not required between replacement


• Spark plug gap adjustment is not required between replacement intervals.

• Measure spark plug gap. when it exceeds the limit, replace spark plug even if it is with in the specified replacement mileage.

Refer to EM-129, "Spark Plug".

Evap vapor lines


Evap vapor lines

EVAP VAPOR LINES : Inspection

1. Visually inspect EVAP vapor lines for improper attachment and for cracks, damage, loose connections, chafing and deterioration.

2. Inspect fuel tank filler cap vacuum relief valve for clogging, sticking, etc.

Refer to EC-445, "Inspection".

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