The following faults may occur in the water pipe of oil radiator during use:

1. Leakage: The joint of oil radiator water pipe may leak due to long-term use or weak connection. Leakage may be caused by loose joints, aging sealing rings or broken water pipes. Leakage will lead to oil loss, reduce the efficiency of lubrication system, and even lead to overheating and damage of the engine.

2. Blockage: The water pipe inside the oil radiator may be blocked due to deposits, dirt or sludge. Blockage will cause the oil not to flow smoothly, affect the normal operation of the lubrication system, and increase the risk of engine wear and overheating.

3. Rupture: The water pipe of the oil radiator may be broken due to external impact, overheating or aging. Rupture may lead to oil leakage, reduce the efficiency of lubrication system, and may cause damage to other components.

4. Corrosion: The water pipe of the oil radiator may be affected by corrosive substances in coolant or oil, resulting in corrosion of the metal parts of the water pipe. Corrosion will reduce the wall thickness of water pipes and increase the risk of rupture.

5. Aging: The water pipe of the oil radiator may age due to long-term use or environmental factors. Aging will reduce the elasticity and durability of water pipes and increase the risk of leakage and rupture.

In order to avoid the failure of oil radiator water pipe, regular inspection and maintenance are necessary. This includes checking whether the joints of water pipes are tight, checking whether there is any blockage inside the water pipes, replacing the seriously aging water pipes regularly, and using high-quality coolant and engine oil. In addition, avoiding external impact and using corrosive coolant or engine oil are also helpful to prolong the service life of the oil radiator water pipe.