Nissan Juke Service and Repair Manual : Camshaft valve clearance

Valve Clearance

CHECKING AND ADJUSTING THE VALVE CLEARANCE

1. Install the tappet.

2. Install the camshaft.

3. Install the camshaft brackets.

4. Place the valves of the cylinder concerned at the end of: 11 Nm (1.1 kg-m, 8 ft-lb)


4. Place the valves of the cylinder concerned at the end of exhaust - beginning of inlet position and check the clearance (X).

NOTE

:
Dimension (Y) corresponds to the tappet thickness sizes (there are 25 sizes at the service parts).


5. Compare the values recorded with the values specified, then replace the


5. Compare the values recorded with the values specified, then replace the tappets which are not within tolerance.

Clearance, when the engine cold: Intake : 0.125 - 0.25 mm (0.0049 - 0.0098 in) Exhaust : 0.325 - 0.45 mm (0.0128 - 0.0177 in)

6. Remove the camshaft brackets.

7. Remove the camshaft.

8. Remove the tappet not within tolerance.

Determining dimension Y.

Set up the following assembly using KV113B0050 (Mot. 252-01) (Commercial service tool) or equivalent tool and dial gauge, then calibrate the gauge.

9. Raise the gauge extension (without modifying the position of the


9. Raise the gauge extension (without modifying the position of the magnetic support/gauge assembly), then slide in the tappet to be measured.

Note dimension (Y) and repeat the operation for the tappets where the valve clearance is not within tolerance.

Refer to the Replacement Parts Catalogue for the vehicle concerned to select the various thicknesses of the tappet(s).

10. Check the valve clearance again.

11. Remove the camshaft brackets.

12. Remove the camshaft.

13. Remove the tappet(s) not within tolerance.

14. Grease the underside of the tappets and the camshaft brackets.


14. Grease the underside of the tappets and the camshaft brackets.

15. Degrease the gasket faces (of the cylinder head and brackets 1 and 6). They should be clean, dry and free from grease (in particular, remove finger marks).

16. Lay four beads of Loctite with a width of 1 mm (0.04 in) on brackets 1 and 6 of the cylinder head.

17. Install the camshaft.

18. Install the camshaft brackets (these are numbered from 1 to 6 and bearing (1) should be positioned on the flywheel end).

: 11 Nm (1.1 kg-m, 8 ft-lb)


Symptom diagnosis


    Symptom diagnosis
    Noise, vibration and harshnesS (NVH) Troubleshooting NVH Troubleshooting - Engine Noise Use the Chart Below to Help You Find the Cause of the Symptom 1. Locate the area where noise occurs. 2. C ...

    Other materials:

    Precaution Necessary for Steering Wheel Rotation after Battery Disconnect
    NOTE: Before removing and installing any control units, first turn the push-button ignition switch to the LOCK position, then disconnect both battery cables. After finishing work, confirm that all control unit connectors are connected properly, then re-connect both battery cables. Alw ...

    System description
    VENTILATION SYSTEM System Description OUTLINE Ventilation system is controlled by A/C auto amp. (AUTOMATIC AIR CONDITIONING) or A/C control (MANUAL AIR CONDITIONING and MANUAL HEATER). For details of air conditioner system, refer to HAC-17, "System Description" (AUTOMATIC AIR COND ...

    Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT BELT PRE-TENSIONER"
    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. Information necessary to service the system safely is include ...