一、汽車線束多久保養一次

每(mei)4萬公里(li)需(xu)要維(wei)護一次。

汽車線束的維(wei)護需(xu)要(yao)線束(shu)(shu)保(bao)障(zhang)劑的搭配，可(ke)具(ju)有防(fang)(fang)氧化(hua)以及防(fang)(fang)潮的作用。保(bao)障(zhang)劑還具(ju)有耐高(gao)壓以及絕緣等性能，可(ke)避免(mian)線束(shu)(shu)老化(hua)或開裂。

汽車線(xian)(xian)束是汽車電(dian)(dian)路運轉的(de)網(wang)絡主體，沒有(you)線(xian)(xian)束不可構成汽車的(de)電(dian)(dian)路。線(xian)(xian)束關鍵是由銅材沖制形(xing)成的(de)接(jie)觸件連(lian)接(jie)器，而且與電(dian)(dian)線(xian)(xian)電(dian)(dian)纜相(xiang)連(lian)接(jie)，外(wai)面(mian)在加(jia)上金屬(shu)殼體或塑壓絕(jue)緣體等，最終以線(xian)(xian)束捆扎的(de)形(xing)式連(lian)接(jie)電(dian)(dian)路的(de)組件。

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二、汽車線束斷了是接還是換新的

如果是正常接線沒問題的線束斷了直接重新連接，如果是會影響正常接線的需要更換新的。汽車線束斷裂的原(yuan)因(yin)(yin)分為內部原(yuan)因(yin)(yin)和外部原(yuan)因(yin)(yin)。

1、內部原因有汽(qi)車的主(zhu)線(xian)(xian)(xian)束(shu)(shu)分配(pei)的支線(xian)(xian)(xian)設計過短(duan)，導(dao)(dao)致汽(qi)車在(zai)行駛過程中線(xian)(xian)(xian)束(shu)(shu)斷(duan)裂。廠家在(zai)設計汽(qi)車線(xian)(xian)(xian)束(shu)(shu)時(shi)，沒(mei)有執行線(xian)(xian)(xian)束(shu)(shu)的制造(zao)標(biao)準，使(shi)線(xian)(xian)(xian)束(shu)(shu)不達(da)標(biao)，或者在(zai)組裝線(xian)(xian)(xian)束(shu)(shu)時(shi)扭(niu)曲線(xian)(xian)(xian)束(shu)(shu)過緊(jin)，導(dao)(dao)致線(xian)(xian)(xian)束(shu)(shu)斷(duan)裂。

2、外部原因(yin)有線(xian)(xian)(xian)束(shu)進(jin)行(xing)改(gai)裝，導(dao)致線(xian)(xian)(xian)束(shu)發生斷裂。或者(zhe)線(xian)(xian)(xian)束(shu)被刮(gua)蹭，導(dao)致斷裂現(xian)象(xiang)。修復的(de)方(fang)法有將燒壞的(de)線(xian)(xian)(xian)束(shu)絕(jue)(jue)緣層斷離，將導(dao)線(xian)(xian)(xian)兩端剪掉(diao)，用同規格同長度的(de)導(dao)線(xian)(xian)(xian)重新(xin)連接好。或者(zhe)在(zai)接線(xian)(xian)(xian)時(shi)將導(dao)線(xian)(xian)(xian)兩端分成兩半，分別(bie)擰緊與導(dao)線(xian)(xian)(xian)靠(kao)近(jin)，再包上絕(jue)(jue)緣膠(jiao)布。