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Tips for testing the sealing performance of car valves
As is well known, smoking is harmful to health, but there are still few people who know that cigarettes have some wonderful uses in car maintenance. Cigarettes can not only be used for diagnosing faults, but also for emergency situations when conditions are limited or tasks are particularly urgent. Let's take a look at how to use cigarettes to check the sealing of car valves:
The sealing between the valve and valve seat can be checked using the smoke blowing method. Clean the ground valve and place it in the valve guide in order. Use your hand or a suitable tool (such as a screwdriver) to hold the valve, then take a puff of smoke and blow it towards the cleaned intake and exhaust manifolds, ensuring that the valve fits snugly and does not leak. Simultaneously observe whether there is smoke coming out between the valve and the valve seat. If there is no smoke coming out, it indicates that the valve has good sealing. Otherwise, it should be re ground.
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