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一辆捷达王乘用车,装配01M 自动变速器。该车变速器出现由1档跳2档正常.但由2档跳入3档时,发动机转速会突然上升1000 r/min 左右,而后自动变速器出现一次撞击后再跳入3档,此时若继续加速,自动变速器可以可以跳入4档,但跳入4档后会立即掉回至3档的现象。首先用 VAG1552故障阅读仪(下简称阅读仪)调取该系统的故障代码,无故障代码显示;接着检查自动变速器油(ATF),发现 ATF 较脏,而且有异味,于是决定将该变速器拆下来解体检查。
A Jetta King passenger car, assembly 01M automatic transmission. The car transmission by 1 gear jump 2 files normal.But by 2 files jumped into 3 files, the engine speed will suddenly rise 1000 r / min or so, and then after the automatic transmission into a crash after the third gear, this time to continue Acceleration, automatic transmission can jump into 4 files, but jumped into 4 files will immediately fall back to 3 files phenomenon. First of all, using VAG1552 fault reader (hereinafter referred to as the reader) to retrieve the fault code of the system, fault-free code display; then check the ATF (ATF), found ATF dirtier, and there are odors, so decided to remove the transmission Disintegration inspection.