R50/R53 :: Hatch Talk (2002-2006) Cooper (R50) and Cooper S (R53) hatchback discussion.

R50/53 "She's Dead Jim"

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Old Sep 29, 2014 | 02:24 PM
  #26  
ZippyNH's Avatar
ZippyNH
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From: Southern NH
Originally Posted by Webhead68
What is the box to the right of the battery? We had some heavy rain the night before this happened and I drove home through some large puddles. There was water in th battery compartment the day it happened.
On a r53 it has the "squib", an explosive charge that goes off when the airbag deploys to disconnect the battery from the cars electrical systems...
The r53 has 2 positive battery cables...an unfused one that goes to the starter, and a second one that goes to the fuse boxes....
The intent of the squib, is to blow, preventing the car from restarting till the battery cable has been inspected for damage. Check for corrosion if it got wet...might be your issue.
 
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Old Sep 29, 2014 | 02:27 PM
  #27  
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ZippyNH
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Joined: Sep 2009
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From: Southern NH
Originally Posted by Drivehard
Inside the box is the dme. Outside is the relay box.

If battery box wet. Dme may be wet.

If so take connector off and see if water comes out.

Sent from my iPad using NAMotoring
Naww...
He has a r53...battery in the trunk...mobile Nam does not show his signature... He has a r53.
 
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Old Sep 29, 2014 | 02:29 PM
  #28  
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ZippyNH
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Joined: Sep 2009
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From: Southern NH
Originally Posted by Webhead68
What is the box to the right of the battery? We had some heavy rain the night before this happened and I drove home through some large puddles. There was water in th battery compartment the day it happened.
Very important info.....
Could have saved you tons of time....see the above posts...
Bet you 3rd brake light or sunroof drains are leaking....
Most likely the water is the issue....got the box wet...and made the connections much higher resistance....
 
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Old Sep 29, 2014 | 03:48 PM
  #29  
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Webhead68
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2nd Gear
Joined: Jun 2011
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From: Central, FL
Originally Posted by ZippyNH
Check you ground wires....
Alternator MIGHT be OK....corrosion on a ground leads to a failure that looks like a dying battery or bad alternator in some ways....and can even fry the computer....
The one that connects to the front engine mount is troublesome corrosion wise....it is often removed to jack up the motor or replace the mount, but not clean or attached in the proper manner...
Zippy your my hero. I looked at th 3 nut that holds the ground strap and I had criss threaded it about a year ago when I changed my crank pulley and motor mounts. For $1.76 I fixed the no charging problem. Well at least I have a new alternator and don't have to worry about that breaking in the future. Thanks to all that helped. This forum is great.
 
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Old Sep 29, 2014 | 03:54 PM
  #30  
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ZippyNH
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From: Southern NH
Originally Posted by Webhead68
Zippy your my hero. I looked at th 3 nut that holds the ground strap and I had criss threaded it about a year ago when I changed my crank pulley and motor mounts. For $1.76 I fixed the no charging problem. Well at least I have a new alternator and don't have to worry about that breaking in the future. Thanks to all that helped. This forum is great.
Awesome!!
Now get that trunk dried out before it gives you issues!!
Glad you fixed it before the CPU go fried or it cost you more $$!
 
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Old Sep 29, 2014 | 05:51 PM
  #31  
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Drivehard
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Joined: Aug 2014
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From: Long Island NY
Woooo. And the forum fixes another broken mini.

And we move on !!!!

Ps let this be an example as to continue to provide positive constructive advise even if wrong because eventually we hit upon the issue. In this case it cost only an alternator and some scrapped knuckles. It's a win.

Motor on. !

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Old Sep 29, 2014 | 05:59 PM
  #32  
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ForcedFed4
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Joined: Feb 2013
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From: Portland, Or
Originally Posted by Webhead68
Zippy your my hero. I looked at th 3 nut that holds the ground strap and I had criss threaded it about a year ago when I changed my crank pulley and motor mounts. For $1.76 I fixed the no charging problem. Well at least I have a new alternator and don't have to worry about that breaking in the future. Thanks to all that helped. This forum is great.
Haha I definitely said to check the connections before getting a new alternator... but hey now you have a new one!

Glad its resolved now...
 
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