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
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    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:

    Preparation
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    Forward-facing child restraint installation using LATCH
    Refer to all Warnings and Cautions in the “Child Safety” and “Child Restraint” sections before installing a child restraint. Follow these steps to install a forward-facing child restraint using the LATCH system: 1. Position the child restraint on the seat. Always follow the child res ...

    Fuel pump
    Description *: ECM determines the start signal status by the signals of engine speed and battery voltage. The ECM activates the fuel pump for several seconds after the ignition switch is turned ON to improve engine start ability. If the ECM receives a engine speed signal from the camshaf ...