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 N·m (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 N·m (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:

    B26F1 ignition relay
    DTC Logic DTC DETECTION LOGIC DTC CONFIRMATION PROCEDURE 1.PERFORM DTC CONFIRMATION PROCEDURE 1. Turn ignition switch ON under the following conditions, and wait for 2 seconds or more. CVT models - Selector lever is in the P or N position - Do not depress brake pedal M/T models - Do n ...

    U0155 lost communication (IPC)
    Description CAN (Controller Area Network) is a serial communication line for real-time application. It is an on-vehicle multiplex communication line with high data communication speed and excellent malfunction detection ability. Many electronic control units are equipped onto a vehicle, and ...

    P0137 HO2S2
    DTC Logic DTC DETECTION LOGIC The heated oxygen sensor 2 has a much longer switching time between rich and lean than the air fuel ratio (A/F) sensor 1. The oxygen storage capacity of the three way catalyst (manifold) causes the longer switching time. To judge the malfunctions of heated oxygen ...