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一辆福特林肯·大陆轿车自动变速器不能变速到超速挡(O/D),使汽车最高车速下降。根据故障现象,可采取如下检修方法: 1、先让汽车行驶一段路程,使发动机冷却液温度达80℃,自动变速器油温达50～80℃。 2、把变速器电脑的插接器拔下,用手动换挡做路试。将变速器的选择挡以L位换至S位,再换到D位观察有无超速挡。结果有超速挡。这说明自动变速器内部无故障。
A Ford Lincoln Continental sedan automatic transmission can not change to overdrive (O / D), so that the maximum car speed decreased. According to the fault phenomenon, can take the following maintenance methods: 1, let the car travel for some distance, the engine coolant temperature of 80 ℃, automatic transmission oil temperature of 50 ~ 80 ℃. 2, unplug the transmission computer connector, with manual shift road test. Shift the gear selection to L-bit shift to S-bit, then change to D-bit to see whether there is overdrive gear. The result is speeding gear. This shows that there is no trouble inside the automatic transmission.