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Just had to replace the Main Battery in my 2001 Prius - Page 5

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Posted by Allen on October 29, 2006, 2:16 pm
 



HCLQ wrote:

I am not looking for Toyota to solve the problem with car not able to
function when the main battery dies.  I would just like some warning
that the main battery is about to die.


Posted by Michael Pardee on October 29, 2006, 3:18 pm
 



Awfully dramatic. In 35 years of driving I've experienced sudden shutdown
many hundreds of times and never panicked over it. Virtually every car made
can be expected to die unexpectedly at some time, and main battery failure
is so rare as to not be worth worrying about. The Nissan I traded in for my
wife's Prius died several times a day for two months - sometimes only for a
second, sometimes for half an hour - before I was able to track down the bad
connection responsible. If stalling were all that serious there would be
ambulances sent out as a precaution when a tow truck was dispatched.

Mike



Posted by Allen on October 29, 2006, 3:38 pm
 

Michael Pardee wrote:


Posted by Bill on October 29, 2006, 6:03 pm
 



That's called SEDS (Sudden Engine Death Syndrome) something I experienced
with my Dodge Rampage.  To make a long story short, a mouse was run over by
the timing belt causing it to skip to the next series of teeth.  To
compensate, an unenlightened technician compensated by rotating the
distributor to a point that banjo-strung the wire coming from the coil.
Eventually the conductor broke but the spaghetti was left intact so the wire
looked perfect.  When I would accelerate, the distributor would rotate to
advance the spark, separating the broken conductor resulting in immediate
shut-down, usually in the middle of an intersection.  The spaghetti would
pull the conductor together again and the car would start and run
flawlessly.

Three dealerships were unable to find the cause.  Frustrated by unrelenting
SEDS I got out my trusty snow scraper and started poking until I found the
broken wire.

An unexpected shut-down in traffic sometimes presents a dangerous situation.
Since every battery eventually fails, and since coincident ICE/Battery
failure is unlikely, I would find a work-around an interesting engineering
challenge.  But then, I'm an engineer.



Posted by Allen on October 29, 2006, 7:13 pm
 


Bill wrote:


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