Altima L4-2.5L (QR25DE) Hybrid (2007)
Valve Guide Seal: Service and Repair
Removal and Installation of Valve Oil Seal
REMOVAL
1. Remove camshaft.
2. Remove valve lifter.
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.
Tool number
: KV10116200 (J-26336-B)
: KV10115900 (J-26336-20)
5. Remove valve oil seal using Tool.
Tool number: KV10107902 (J-38959)
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 in the reverse order of removal.