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故障现象一辆2009年产衡山HSZ6106型客车,配备大柴CA6DE2型发动机,累计行驶里程约为18万km。驾驶人反映该车最近发动机机油消耗量大幅增加,平均每行驶200 km,就需要加注机油。故障诊断及排除经询问客户得知,该车发动机半年前曾因动力不足做过大修处理,并更换了全新四配套,修复后发动机运行正常,但出现机油消耗量增加的现象。首先怀疑机油冷却系统存在泄漏。但打开发动机室盖检查,除了灰尘较多外,并没有明显故障点,于是决定进行试车检查。试车时发现,发动机起动困难,经多次点火才能勉强
Symptom A 2009 Hengshan HSZ6106 bus, equipped with large diesel CA6DE2 engine, the cumulative mileage of about 180,000 km. The driver reflects the car engine oil consumption recently increased significantly, with an average of 200 km, you need to add oil. Troubleshooting After consultation, the customer was informed that the engine of the car had been overhauled due to insufficient power six months ago and replaced with the new four-package engine. After the repair, the engine was operating normally but the oil consumption increased. First of all, there is a leak in the oil cooling system. However, open the engine room cover inspection, in addition to more dust, and no obvious point of failure, so decided to test the car. Test found that the engine start difficult, after repeated ignition can barely