Murano AWD V6-3.5L (VQ35) (2003)
Valve Guide Seal: Service and Repair
Removal and Installation of Valve Oil Seal
REMOVAL
1. Remove camshaft relating to valve oil seal to be removed.
2. Remove valve lifters.
3. Turn crankshaft until the cylinder requiring new oil seals is at TDC. This will prevent the valve from dropping into the cylinder.
4. Using valve spring compressor (special service tool), remove valve collet. Then remove valve spring and valve spring seat.
5. Remove valve oil seal using valve oil seal puller (special service tool).
INSTALLATION
1. Apply engine oil on new valve oil seal joint and seal lip.
2. Using valve oil seal drift (special service tool), press fit valve seal to height "H" shown in figure.
NOTE: Dimension "H": Height measured before valve spring seat installation
Intake and exhaust : 14.3 -14.9 mm (0.563 - 0.587 inch)
3. Perform steps in the reverse order of removal for the following operations.