The installation and replacement of the valve stem seal method (Dieselpartsworld) 2016-02-28    

The installation and replacement of the valve stem seal method
Before we understand the valve stem oil seal, auto valve oil seal is damaged, can lead to car began to burn oil, cold every startup, the car will be take Lanyan and launch a chance to start accelerating fatigue, vibration and other fault phenomenon. This time we need to replace the valve seal, the valve seal installation and replacement method.
The installation and replacement of the valve stem seal
The valve stem seal disassembly
Remove the camshaft and hydraulic tappet, and the face must pay attention to storage, not interchangeable tappet operation. By removing the spark plug wrench spark plug, the piston adjusting the corresponding cylinder top dead point, the pressure hose is screwed into the spark plug thread hole.
Bolt spring compression tool mounted to the cylinder head. The valve to the correct position, then the pressure hose is connected to the air compressor (air pressure of at least 600kPa). Using screw mandrel and the thrust piece downward pressure valve spring, remove the spring.
Can remove the valve seat on the valve spring lock block. Pull the valve stem seal tool
The installation and replacement of the valve stem seal
The valve stem seal installation
The plastic sleeve onto the valve stem, in order to prevent damage to the valve stem seal new.
The light is coated with a layer of oil seal lip.
Oil package to the tool, and then slowly pushed into the valve guide.
Note:
Installed in the inlet and exhaust valve, the valve rod shall be coated with a layer of oil.
Oil seal, valve replacement process strict requirements, need to remove the valve chamber and the cylinder head, quite complex, installation belt must of the camshaft is placed in the 0 scribe. Alignment of the crankshaft.