请问各位大侠: 换TIMIG BELT 为什么要 TDC?

我一直在鼓足勇气想换我科罗拉的正时带, 反复阅读维修手册. 其中讲一定要把上下
轴转到TDC( TOP DEAD CENTER ). 我就是不明白其必要性. 我的理解是, 换皮带时
,只要上下齿轮的相当关系不变就行. 也就是说, 我随意选个位置, 在上下齿轮和发
动机上分别划上一道线...标志该齿轮与发动机身的关系, 然后把新皮带装上去, 保
持齿轮和机身的相对位置,也就是保持上下两齿轮的相对位置.不知道我的理解对不
对? 这年头想省个$300 块钱自己换...先谢谢各位!
,

所有跟帖： 

• 我的Crank pulley 锈的严重, 担心看不到标志了. -iammadaboutu- ♂ (0 bytes) () 10/19/2009 postreply 10:44:53

• 你勇敢，我不敢碰正时皮带。$300要连水泵一起换不算贵。听说 -色大胆小- ♂ (39 bytes) () 10/19/2009 postreply 11:04:41

• 我已经研究了快一年了. :) -iammadaboutu- ♂ (166 bytes) () 10/19/2009 postreply 11:21:12

• 我看过修理工卸那大螺丝，如果你没有Impact Wrench, 记住这个诀窍： -色大胆小- ♂ (12 bytes) () 10/19/2009 postreply 11:53:19

• You can buy an electric impact wrench -xxhhwxc- ♂ (65 bytes) () 10/19/2009 postreply 11:52:04

• I did bought one, but still dare not to do that job. -色大胆小- ♂ (0 bytes) () 10/19/2009 postreply 11:54:03

• 我也是担心,所以至今还在相面..:) 主要担心有3: -iammadaboutu- ♂ (315 bytes) () 10/19/2009 postreply 12:30:00

• 我准备用一个三米长的加长杆子..不知道行不. -iammadaboutu- ♂ (51 bytes) () 10/19/2009 postreply 12:10:43

• 这方法是对的。我每次都用加长管。SEARS的1/2”WRENCH头也扳断过两回. -喜欢折腾- ♂ (0 bytes) () 10/19/2009 postreply 12:17:38

• 还有有的欧洲不需要卸CRANK PULLEY BOLT。真是方便. -喜欢折腾- ♂ (0 bytes) () 10/19/2009 postreply 12:22:03

• long stick would work if -xxhhwxc- ♂ (47 bytes) () 10/19/2009 postreply 15:29:47

• 调到TDC是为了便于检查timing标记是否对齐(在一直线上) -Formula-1- ♂ (529 bytes) () 10/19/2009 postreply 12:05:52

• 谢谢..我有一本HANES 手册, 不是很详细. -iammadaboutu- ♂ (35 bytes) () 10/19/2009 postreply 12:13:36

• online manual就是dealer出的shop manual,当然比HANES好 -Formula-1- ♂ (0 bytes) () 10/19/2009 postreply 15:20:44

• 理论上是对的。问题是皮带一松开，CAM PULLEY就会滑开. -喜欢折腾- ♂ (22 bytes) () 10/19/2009 postreply 12:11:33

• 谢谢, 我想就是这个原因. -iammadaboutu- ♂ (0 bytes) () 10/19/2009 postreply 12:15:52

• 我也研究很久了，感觉那玩意没什么难的。但都说需要6小时 -coorslight969- ♂ (8 bytes) () 10/19/2009 postreply 12:55:49

• 是这样, -iammadaboutu- ♂ (367 bytes) () 10/19/2009 postreply 13:27:40

• 这就是人生的意义之一"对未知的不断探究" -mycellphone- ♂ (21 bytes) () 10/19/2009 postreply 20:21:46

• Once you have done that, you won't be afraid of anything. -QYZ- ♂ (441 bytes) () 10/19/2009 postreply 14:14:17

• Well said Brother! -iammadaboutu- ♂ (0 bytes) () 10/20/2009 postreply 05:22:00

• 日本车好像没必要换 -ck800- ♀ (128 bytes) () 10/19/2009 postreply 14:16:02

• It depends on type of timing belt on the car. -QYZ- ♂ (141 bytes) () 10/19/2009 postreply 14:19:38

• For Honda cars, TB broken means engine is dead -internuts- ♂ (0 bytes) () 10/19/2009 postreply 14:49:28

• 看我的旧贴 -biglow- ♂ (92 bytes) () 10/19/2009 postreply 14:45:35

• Very nice writing. I will read it again when I have everyting ap -iammadaboutu- ♂ (0 bytes) () 10/20/2009 postreply 05:31:30

• Thanks alot everyone, I really appreciate it!! -iammadaboutu- ♂ (0 bytes) () 10/19/2009 postreply 17:14:10

• 你的原理不对 -three- ♂ (68 bytes) () 10/19/2009 postreply 17:42:51

• You have to do it, otherwise you will regret later -wolfmanii- ♂ (714 bytes) () 10/19/2009 postreply 18:16:49

• You are so right on! I have to do it! -iammadaboutu- ♂ (0 bytes) () 10/20/2009 postreply 05:30:27

• 让我来告诉你 -润涛阎- ♂ (260 bytes) () 10/20/2009 postreply 05:51:03

• 谢谢大侠. -iammadaboutu- ♂ (121 bytes) () 10/20/2009 postreply 06:11:42

• The consequence of a broken timing belt depends on whether it i -QYZ- ♂ (733 bytes) () 10/20/2009 postreply 07:11:26

• You are right. I believe Corolla is non-interference. -iammadaboutu- ♂ (0 bytes) () 10/20/2009 postreply 07:26:24

• 因为它是金属带了，外面有胶皮. Is this true for the Corola? -QYZ- ♂ (0 bytes) () 10/20/2009 postreply 07:14:14

• 理解不了：超过22年我就不敢说了。估计40年没大问题 -天涯过客-- ♂ (0 bytes) () 10/20/2009 postreply 08:23:43

• 回复：让我来告诉你 -victormao- ♂ (148 bytes) () 10/20/2009 postreply 11:31:10

• 他没搞过，当然很难找回来了。要是搞过，他还问这个问题干嘛 -润涛阎- ♂ (0 bytes) () 10/20/2009 postreply 20:55:07

• 撤销推荐 你 当班主。 -北航新保理英子- ♀ (0 bytes) () 10/20/2009 postreply 17:29:43

• 为啥？ -biglow- ♂ (0 bytes) () 10/20/2009 postreply 18:56:13

• 回复：请问各位大侠: 换TIMIG BELT 为什么要 TDC? -DIY100- ♂ (671 bytes) () 10/20/2009 postreply 09:56:49

• Thanks a lot! -iammadaboutu- ♂ (0 bytes) () 10/20/2009 postreply 10:42:55

• 回复：回复：请问各位大侠: 换TIMIG BELT 为什么要 TDC? -victormao- ♂ (314 bytes) () 10/20/2009 postreply 11:28:48

• Thanks alot! -iammadaboutu- ♂ (0 bytes) () 10/20/2009 postreply 12:12:15