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Electronics & Test

Slideshow: GM Announces Another Giant Recall

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GTOlover
User Rank
Platinum
Re: Engineering Change Control
GTOlover   5/19/2014 9:49:59 AM
I can also tell you from past experience that the quality engineers at GM where always slow to accept a change, even one that has proven improvements to known field failures!

My example is the pull handle on the rear hatch of the GM version of the minivan. The handles are molded with a stiff core and overmolded with a soft PVC type material. The field failures were the core material would break when people went to pull the door shut. I suggested a superior grade and fiber reinforced material to solve the issue. The exterior of the part would look indentical to the previous part. Testing showed it had 3 times the strength. And the cost of the replacement material was offset by the reduction in cycle time. It still took almost a year to approve and implement the change for current production and service replacements. This change should of taken less than one month (maybe two) to implement for a simple pull handle.

One can only imagine how long it must of taken to implement a change in the ignition key defect?

Battar
User Rank
Platinum
Re: Recall
Battar   5/19/2014 9:45:52 AM
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Mydesign,

               It is virtually impossible to test for every possible scenario and at the same time place the product on the market before it is obsolete and within a reasonable price bracket. No matter how careful you are, some things will just slip through. At some point you have to freeze the design and release to production, but there will always remain that decimal point of uncertainty beyond the 99.99%

Al Klu
User Rank
Gold
Engineering Change Control
Al Klu   5/19/2014 9:33:17 AM
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I'm beginning to think that GM is auditing their Change Control process and finding that engineering change orders have not been properly assessed for seriousness of the change and the need for recall.

The switch problem was noted and corrected by engineering change many years ago.  However, the seriousness of the prior condition was never rated as a recall requirement until jsut recently.

The fact is that we are seeing many new and unrelated recalls (tie rod torque, wiring issues, etc).  If the recalls are not affecting parts on the dealer lot, or vehicles in process, then something already changed in production to correct the problem. 

ChasChas
User Rank
Platinum
Re: GM AND GIANT RECALL
ChasChas   5/19/2014 8:58:05 AM
 

The Government should let dying companies die.

We can see here that GM was dying for many reasons.

far911
User Rank
Silver
Re: GM AND GIANT RECALL
far911   5/19/2014 6:57:00 AM
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Mate it certainly does that s why it is surprising for me.coz once a name gone will take ages to regain.

Mydesign
User Rank
Platinum
Re: GM AND GIANT RECALL
Mydesign   5/19/2014 2:50:17 AM
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1 saves
"Although GM vehicles doesnt possess a vast market in our area. Still the problems identified are severe and are persisiting over a decade. Still such a big Brand didnt over come it or reduce it. It s surprising."

Far911, such recalling can spoil the brand name too.

Mydesign
User Rank
Platinum
Recall
Mydesign   5/19/2014 2:49:01 AM
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1 saves
Charles, I think recalling the vehicle seems to be trend. Sometimes back Toyota, Ford, Honda etc recalled certain category vehicles for repair. Why they are not able to found such issues during the testing phases; I think such things are happening due to lack of intensive tastings under various situations/scenarios.

far911
User Rank
Silver
Re: GM AND GIANT RECALL
far911   5/18/2014 3:15:10 AM
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Although GM vehicles doesnt possess a vast market in our area. Still the problems identified are severe and are persisiting over a decade. Still such a big Brand didnt over come it or reduce it. It s surprising.

bobjengr
User Rank
Platinum
GM AND GIANT RECALL
bobjengr   5/17/2014 12:11:21 PM
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Charles, I writing this comment on Saturday morning after the "FED" announced GM will be penalized $35 million for delays in addressing the switch problem.  Automobiles are remarkably complicated systems now days but you have to wonder why the various subassemblies escaped repair when initially noticed.  The ignition switch problem, in my opinion, is criminal simply due to delays and the deaths involved. Thank you for keeping us posted and informed.

 

Charles Murray
User Rank
Blogger
More to come
Charles Murray   5/16/2014 7:10:49 PM
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On Monday or Tuesday, we'll have more to come about what this means -- particularly in the area of commonality of parts -- to design engineers.

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