FX45 AWD V8-4.5L (VK45DE) (2006)
Valve Guide Seal: Service and Repair
Removal and Installation of Valve Oil Seal
REMOVAL
1. Remove engine assembly from vehicle.
2. Remove camshaft relating to valve oil seal to be removed.
3. Remove adjusting shims and valve lifters.
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Identify installation positions, and store them without mixing them up.
4. Turn crankshaft until the cylinder requiring new oil seals is at TDC. This will prevent valve from dropping into cylinder.
5. Remove valve collet.
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Compress valve spring with valve spring compressor, attachment and adapter (SST). Remove valve collet with magnetic hand.
CAUTION: When working, take care not to damage valve lifter holes.
6. Remove valve spring retainer and valve spring (with valve spring seat).
CAUTION: Do not remove valve spring seat from valve spring.
7. Remove valve oil seal using valve oil seal puller (SST).
INSTALLATION
1. Apply new engine oil on new valve oil seal joint and seal lip.
2. Install valve oil seal.
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Install with valve oil seal drift (SST) to match dimension in the figure.
3. Install in the reverse order of removal.