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探寻烤肉致富的漫长历程(多图)

(2013-12-23 18:06:38) 下一个



还是从白垩纪就出现的P0420,换过新猫,开了5000迈后,又撑死了。于是就继续瞎搞。

这一篇是很多次小工程,集中以后贴出来的图,粗粗整理了一下顺序。反正是瞎搞。


从 exhaust manifold一路向下 查漏。这是从车底拆manifold与flex pipe的连接
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driver side螺丝下边是上游氧气探头当路,要拆
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从hood向下看。上边要拆隔热板
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拆manifold
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黑忽忽的积碳。红圈是block后边的coolant排放孔
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清理
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拆下来 ,全部检查和 清理
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检查螺栓
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换套新的。弹簧长度略有差异
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密封圈,有积碳,但没有明显漏痕或损坏
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检查接口
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检车氧气探头接口
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旧密封圈比较低
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新圈压缩空间较大
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检查对接
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检查点火系统
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翻阅手册,说coil没法检查
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后边的放水孔用上了。对,这是换coolant
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换thermal
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最终以上动作都没能阻止强大的P0420回归。于是又买了新猫,比上次的新猫贵,结果对接更加不好。后来退货,买了焊接工具。预知后事如何,且听下回分解。 
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