Nissan Altima 2007-2012 Service Manual: Oil seal

Removal and Installation of Valve Oil Seal

REMOVAL

1. Remove camshaft. Refer to EM-41, "Removal and Installation".

2. Remove valve lifter. Refer to EM-41, "Removal and Installation".

3. Rotate crankshaft, and set piston whose oil seal is to removed to top dead center. This prevents valve from dropping inside cylinder.

CAUTION: When rotating crankshaft, be careful to avoid scarring the front cover with the timing chain.

4. Remove valve collet, valve spring retainer and valve spring using Tool.


5. Remove valve oil seal using Tool.


5. Remove valve oil seal using Tool.

Tool number : KV10107902 (J-38959)

INSTALLATION


INSTALLATION

1. Apply new engine oil to new valve oil seal joint surface and seal lip.

2. Press in valve oil seal to the position shown using Tool.

Oil seal installed height : 12.1 mm (0.476 in)

Tool number : KV10115600 (J-38958)

3. Installation of the remaining components is in the reverse order of


3. Installation of the remaining components is in the reverse order of removal.

Removal and Installation of Front Oil Seal

REMOVAL

1. Remove the following parts:

    Timing chain
    Removal and Installation 1. O-rings 2. Camshaft sprocket (INT) 3. Camshaft sprocket (EXH) 4. Chain tensioner 5. Spring 6. Chain tensioner plunger 7. Timing chain slack guide 8. Timing chain ...

    Cylinder head
    Removal and Installation 1. Cylinder head 2. Cylinder head gasket 3. Cylinder head bolt A. Follow installation procedure REMOVAL 1. Remove the engine and transaxle assembly. Refer to EM-72, ...

    Other materials:

    P0130 A/F sensor 1
    Description The air fuel ratio (A/F) sensor 1 is a planar one-cell limit current sensor. The sensor element of the A/F sensor 1 is composed an electrode layer, which transports ions. It has a heater in the element. The sensor is capable of precise measurement = 1, but also in the lean and r ...

    Subwoofer (sedan)
    Description The audio unit sends audio signals to the BOSE speaker amp. The BOSE speaker amp. amplifies the audio signals before sending them to the subwoofers using the audio signal circuits. Diagnosis Procedure 1.HARNESS CHECK 1. Disconnect BOSE speaker amp. connector B122 and suspect rear ...

    Camera image signal circuit (rear view camera to camera control unit)(coupe)
    Description Rear view camera images are transmitted to the rear view camera control unit using the camera image signal circuits. Diagnosis Procedure 1.CHECK CAMERA IMAGE SIGNAL CIRCUIT CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect rear view camera control unit connector and rear v ...