Nissan Altima 2007-2012 Service Manual: Oil seal

Removal and Installation of Valve Oil Seal

REMOVAL

1. Turn crankshaft until the cylinder requiring new oil seals is at TDC. This will prevent valve from dropping into cylinder.

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

2. Remove camshaft relating to valve oil seal to be removed. Refer to EM-177, "Removal and Installation".

3. Remove valve lifters. Refer to EM-177, "Removal and Installation".

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

CAUTION: When working, take care not to damage valve lifter holes.


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Camshaft
Removal and Installation 1. Camshaft position sensor bracket (RH) 2. Camshaft brackets 3. No. 1 camshaft bracket (RH) 4. Camshaft (EXH) RH 5. Camshaft (INT) RH 6. Cylinder head (RH) 7. Cylin ...

Cylinder head
Removal and Installation 1. Cylinder head bolt 2. Cylinder head 3. Cylinder head gasket 4. Engine block A. Follow installation procedure REMOVAL 1. Remove the intake and exhaust camshafts. Re ...

Other materials:

Encoder
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Corrosion protection
Description To provide improved corrosion prevention, the following anti-corrosive measures have been implemented in NISSAN production plants. When repairing or replacing body panels, it is necessary to use the same anti-corrosive measures. Anti-Corrosive Precoated Steel (Galvannealed Steel) ...