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  #231 (permalink)  
Old 05-23-2012, 10:21 AM
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There were only two 2010 Challengers on the list,one with MDS and one without.The unofficial Challenger registry has 1641 listed and how many of us have failed to even bother registering.Even if everyone has registered, the failure is less than .02%.I've owned two cars that had timing chain problems, neither broke but were stretched to the point where they would jump a tooth,Both were Toyotas had more than 125,000 miles.
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  #232 (permalink)  
Old 05-23-2012, 10:28 AM
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Originally Posted by Lashlarue View Post
There were only two 2010 Challengers on the list,one with MDS and one without.The unofficial Challenger registry has 1641 listed and how many of us have failed to even bother registering.Even if everyone has registered, the failure is less than .02%.I've owned two cars that had timing chain problems, neither broke but were stretched to the point where they would jump a tooth,Both were Toyotas had more than 125,000 miles.
The only thing that list proves without a doubt is that all the failures are not being registered and that the list is not accurate enough to be considered a source of truth. Just look at the failures in this thread compared to the list.

I'd take the numbers on that list with a grain of salt.
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  #233 (permalink)  
Old 05-23-2012, 10:33 AM
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i had a timing chain failure in my first challenger.

It was in 1981. the 318 had a timing chain with platic teeth. the teeth worn down or broke off and it jumped a few teeth. but that was the only time. I replaced it with a double roller from Cloyes
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  #234 (permalink)  
Old 05-23-2012, 10:48 AM
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Originally Posted by Mark052 View Post
Thank you Luke for posting that list of timing system failures. Seeing non MDS failures on that list now has my anxiety growing. LOL
Originally Posted by Lashlarue View Post
Apparently it is happening in all model years, and not just Challenger RT's with or without MDS and some brand new 2012 392's. The list looks daunting,(72) but on a percentage basis I would bet it is far less than .5%. 4 years production of all models has to be in excess of 250,000. Only 14 Challengers on that list.Assuming 250,000 is a reasonable #.72 failures equals ..0288%. Which means 99.978% will not have a timing chain failure.Hopefully someone will have access to total production #s and put some of you at ease.
I believe that the list that Luke posted up is to show part numbers NOT actual cases of timing chain failures. The 72 refers to the different engine/model configurations all sharing the same timing chain.
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  #235 (permalink)  
Old 05-23-2012, 11:03 AM
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Originally Posted by Lashlarue View Post
Apparently it is happening in all model years, and not just Challenger RT's with or without MDS and some brand new 2012 392's. The list looks daunting,(72) but on a percentage basis I would bet it is far less than .5%. 4 years production of all models has to be in excess of 250,000. Only 14 Challengers on that list.Assuming 250,000 is a reasonable #.72 failures equals ..0288%. Which means 99.978% will not have a timing chain failure.Hopefully someone will have access to total production #s and put some of you at ease.
where are you getting this list from???
Luke
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  #236 (permalink)  
Old 05-23-2012, 11:05 AM
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This is a fitment list showing what that timing chain fits!!!!!!!!!!!!!

Not a failure list!!!!!!!!!!!!!!!

Luke


Originally Posted by stevewhiteparts View Post
no model


year family group illustration item qty oenumber
1 2009 dc 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] without mds 2 1 53022
316ac
2 2009 dh 009ezc - 5.7l gas; engine 625 - timing system 5.7l without mds [ezc] 2 1 53022
316ac
3 2009 ds 009ezd - 5.7l hemi gas;
engine 625 - timing system 5.7l [ezd] 2 1 53022
316ac
4 2009 ds 009ezh - 5.7l hemi gas;
engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
5 2009 dx 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] without mds 2 1 53022
316ac
6 2009 hb 009ezd - 5.7l gas; engine 625 - timing system 5.7l [ezd] 2 1 53022
316ac
7 2009 hb 009eze - 5.7l gas; engine 625 - timing system 5.7l [eze] 2 1 53022
316ac
8 2009 hb 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
9 2009 hg 009ezd - 5.7l gas; engine 625 - timing system 5.7l [ezd] 2 1 53022
316ac
10 2009 hg 009eze - 5.7l gas; engine 625 - timing system 5.7l [eze] 2 1 53022
316ac
11 2009 hg 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
12 2009 lc 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] without mds 2 1 53022
316ac
13 2009 lc 009ezd - 5.7l gas; engine 625 - timing system 5.7l [ezd] with mds 2 1 53022
316ac
14 2009 lc 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] with mds 2 1 53022
316ac
15 2009 le 009ezd - 5.7l gas; engine 625 - timing system 5.7l [ezd] 2 1 53022
316ac
16 2009 le 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
17 2009 lx 009ezd - 5.7l gas; engine 625 - timing system 5.7l [ezd] 2 1 53022

316ac


search : 53022316ac



no model


year family group illustration item qty oenumber
18 2009 lx 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
19 2009 wh 009ezd - 5.7l hemi gas;
engine 625 - timing system 5.7l with mds [ezd] 2 1 53022
316ac
20 2009 wh 009ezh - 5.7l gas; engine 625 - timing system 5.7l with mds [ezh] 2 1 53022
316ac
21 2009 wk 009ezd - 5.7l hemi gas;
engine 625 - timing system 5.7l [ezd] 2 1 53022
316ac
22 2009 wk 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
23 2009 xh 009ezd - 5.7l hemi gas;
engine 625 - timing system 5.7l [ezd] 2 1 53022
316ac
24 2009 xh 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
25 2009 xk 009ezd - 5.7l hemi gas;
engine 625 - timing system 5.7l [ezd] 2 1 53022
316ac
26 2009 xk 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
27 2010 dj 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] without mds 2 1 53022
316ac
28 2010 ds 009eze - 5.7l gas; engine 625 - timing system 5.7l hev [eze] 4 1 53022
316ac
29 2010 ds 009ezh - 5.7l hemi gas;
engine 625 - timing system 5.7l [ezh] 4 1 53022
316ac
30 2010 dx 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] without mds 2 1 53022
316ac
31 2010 dx 009ezh - 5.7l hemi gas;
engine 625 - timing system 5.7l [ezh] with mds 4 1 53022
316ac
32 2010 lc 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] without mds 4 1 53022
316ac
33 2010 lc 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] with mds 4 1 53022
316ac
34 2010 le 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 5 1 53022



316ac


no model

year family group illustration item qty oenumber
35 2010 lx 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 5 1 53022
316ac
36 2010 wh 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
37 2010 wk 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
38 2010 xh 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
39 2010 xk 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 4 1 53022
316ac
40 2011 dd 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] 4 1 53022
316ac
41 2011 dj 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] 4 1 53022
316ac
42 2011 ds 009eze - 5.7l gas; engine 625 - timing system 5.7l hev [eze] 4 1 53022
316ac
43 2011 ds 009ezh - 5.7l hemi gas;
engine 625 - timing system 5.7l [ezh] 4 1 53022
316ac
44 2011 dx 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] without mds 2 1 53022
316ac
45 2011 dx 009ezh - 5.7l hemi gas;
engine 625 - timing system 5.7l [ezh] with mds 4 1 53022
316ac
46 2011 dx 009ezh - 5.7l hemi gas;
engine 625 - timing system 5.7l [ezh] with mds 4 1 53022
316ac
47 2011 lc 009esg - 6.4l gas; engine 625 - timing system 6.4l [esg] with mds 4 1 53022
316ac
48 2011 lc 009esh - 6.4l gas; engine 625 - timing system 6.4l [esh] without mds 4 1 53022
316ac
49 2011 lc 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] without mds 4 1 53022
316ac
50 2011 lc 009ezh - 5.7lgas; engine 625 - timing system 5.7l [ezh] with mds 4 1 53022
316ac
51 2011 ld 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022



316ac


no model

year family group illustration item qty oenumber
52 2011 lx 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
53 2011 w2 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
54 2011 wd 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
55 2011 wk 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
56 2012 dd 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] 2 1 53022
316ac
57 2012 dj 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] 4 1 53022
316ac
58 2012 dj 009ezf - 5.7l cng; engine 625 - timing system 5.7l cng [ezf] 4 1 53022
316ac
59 2012 ds 009ezh - 5.7l hemi gas;
engine 625 - timing system 5.7l [ezh] 4 1 53022
316ac
60 2012 dx 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] without mds 2 1 53022
316ac
61 2012 dx 009ezh - 5.7l hemi gas;
engine 625 - timing system 5.7l [ezh] with mds 4 1 53022
316ac
62 2012 lc 009esg - 6.4l gas; engine 625 - timing system 6.4l [esg] with mds 4 1 53022
316ac
63 2012 lc 009esh - 6.4l gas; engine 625 - timing system 6.4l [esh] without mds 4 1 53022
316ac
64 2012 lc 009ezc - 5.7l gas; engine 625 - timing system 5.7l [ezc] without mds 4 1 53022
316ac
65 2012 lc 009ezh - 5.7lgas; engine 625 - timing system 5.7l [ezh] with mds 4 1 53022
316ac
66 2012 ld 009esg - 6.4l gas; engine 625 - timing system 6.4l [esg] with mds 4 1 53022
316ac
67 2012 ld 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
68 2012 lx 009esg - 6.4l gas; engine 625 - timing system 6.4l [esg] with mds 4 1 53022



316ac


no model

year family group illustration item qty oenumber
69 2012 lx 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
70 2012 wd 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022
316ac
71 2012 wk 009esg - 6.4l gas; engine 625 - timing system 6.4l [esg] with mds 4 1 53022
316ac

72 2012 wk 009ezh - 5.7l gas; engine 625 - timing system 5.7l [ezh] 2 1 53022


316ac

5/22/12 page


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  #237 (permalink)  
Old 05-23-2012, 11:07 AM
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trying to illustrate the fact that this chain fits every thing from 2009 to 2012 5.7L and 6.4L or 392 hemi engines, from Jeep to trucks to Challengers, Chargers, 300 etc

Luke
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  #238 (permalink)  
Old 05-23-2012, 11:33 AM
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Originally Posted by ptgarcia View Post
The tension on the timing chain isn't constant, it varies depending on running conditions.

I said it earlier, but my guess is the real issue lies with the tensioner.
I said, "constant forward rotation tension" which is accurate. It is easily and accurately said the tension is lessened (but still tension is still there) when the engine goes into ECO mode.

I do agree with your thoughts of the tensioner system possibly being the cause if in fact there is a real non isolated problem with these timing systems. Although I think these chain failures are very isolated.

Last edited by sitedrifter; 05-23-2012 at 11:48 AM.
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  #239 (permalink)  
Old 05-23-2012, 01:54 PM
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Originally Posted by stevewhiteparts View Post
trying to illustrate the fact that this chain fits every thing from 2009 to 2012 5.7L and 6.4L or 392 hemi engines, from Jeep to trucks to Challengers, Chargers, 300 etc

Luke
Thanks for clarifying.
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  #240 (permalink)  
Old 05-23-2012, 02:26 PM
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Originally Posted by sitedrifter View Post
I said, "constant forward rotation tension" which is accurate. It is easily and accurately said the tension is lessened (but still tension is still there) when the engine goes into ECO mode.

I do agree with your thoughts of the tensioner system possibly being the cause if in fact there is a real non isolated problem with these timing systems. Although I think these chain failures are very isolated.


The tension also changes under normal acceleration and deceleration. And if the tensioner is failing or weak it is possible to have no tension on the chain or tension opposite the direction of rotation, which can lead to jerking and a quickly damaged system.
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