How to install the valve oil seal of Toyota rav4

Now the oil seals of two cylinders are damaged, and the rest are not much better.

To replace the valve oil seal, it is necessary to remove the engine cylinder head according to common sense and support the valve before replacing the valve oil seal. This method is reliable, but it usually takes 2 hours to package new oil.

In the second case, if there is a problem with the oil seal of only two cylinders, the method of replacing the valve oil seal without disassembling the cylinder head can be adopted. This method of replacing the valve oil seal can not only save a lot of money, but also obviously shorten the working hours.

If you want to replace the oil seal of the intake and exhaust valve of a cylinder, you can hang the valve with a rope. If necessary, remove the spark plug of the cylinder and introduce high-pressure air from the spark plug hole, then hold the valve and remove the valve oil seal. This can not only save at least 1.5 hours, but also avoid the damage of cylinder gasket, the disorder of timing and the pollution or defect of coolant when disassembling the cylinder head.

(Contributed by Shijiazhuang Beisu Industry and Trade Co., Ltd.)