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997 2005-2012 911 C2, C2S, C4, C4S, GTS, Targa and Cabriolet Model Discussion.
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What have I done?

 
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Old 06-09-2014, 01:51 AM
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What have I done?

Ok went to disconnect battery terminal, placed socket wrench on nut, sparks flew, hit the pipe circled below, burned a small hole in it, liquid and gas started spurting out.... so

What does this pipe do and is the car able to be driven? It was leaking out air/gas after the liquid stopped spurting out. As I won't get to take it to the garage until tomorrow I assume overnight whatever air/gas is left will be leaked out completely.


 
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Old 06-09-2014, 02:00 AM
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i think thats the AC dryer, so you lost your AC coolant. car should drive ok, but youll need to replace the part, and refill your AC at the very least.

EDIT: More accurately, refrigerant.
 

Last edited by IslandS62; 06-09-2014 at 01:28 PM.
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Old 06-09-2014, 02:06 AM
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I think that might be the recharge nipple for the AC. Not sure, would explain liquid gas escaping though.
 
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Old 06-09-2014, 03:09 AM
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Thanks, had a feeling it was the AC, least I don't have to get it towed
 
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Old 06-09-2014, 05:34 AM
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Next time, negative (-) terminal off first. What you did was create a short circuit when your wrench touched the (negatively grounded) pipe.
 
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Old 06-09-2014, 06:58 AM
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Originally Posted by PTParks View Post
Next time, negative (-) terminal off first. What you did was create a short circuit when your wrench touched the (negatively grounded) pipe.
No the socket wrench never touched the pipe, it sparked when the socket covered the nut on the + terminal - no idea why as last time I used a solid wrench and it never sparked, I removed the positive terminal first too.

sparked when using a socket wrench similar to this (mine had a rubber handle - would that be the cause of the spark?)



As it didn't spark last time when I used this to remove the + terminal


 
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Last edited by no1joey; 06-09-2014 at 07:01 AM.
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Old 06-09-2014, 07:30 AM
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Was the negative terminal disconnected when this happened?
 
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Old 06-09-2014, 09:55 AM
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be careful if you drive the car. I don't know about Porsche, but some car use the AC cooling capacity to cool the AC compressor or another AC part.
without coolant, if AC is turned ON. a AC part might overheat and fail.


so make sure you drive with AC off.
 
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Old 06-09-2014, 10:16 AM
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Originally Posted by gonzo__007 View Post
be careful if you drive the car. I don't know about Porsche, but some car use the AC cooling capacity to cool the AC compressor or another AC part.
without coolant, if AC is turned ON. a AC part might overheat and fail.


so make sure you drive with AC off.
Good point. You lost AC refrigerant, but you also lost the lubricant your AC compressor needs to keep from ruining itself when it pumps. AC off until you get it fixed.
 
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Old 06-09-2014, 03:59 PM
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AC should shut off compressor with low refrigerant leval.
 
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Old 06-09-2014, 04:00 PM
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Ok interesting I'll make sure I don't touch the AC button until I get it fixed. Thanks!
 
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Old 06-09-2014, 04:46 PM
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Originally Posted by larrytrk View Post
AC should shut off compressor with low refrigerant leval.
Correct - it does and will. You can try to run it all you want but you'll only get hot air as compressor relay won't allow it to kick on (if refrigerant level is below min). I was suddenly reminded of one of my first cars (w/o air) when I lost a condenser on a lovely 90F and humid 1600 mile road trip a few years back.

 
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Old 06-09-2014, 05:29 PM
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Originally Posted by no1joey View Post
Ok interesting I'll make sure I don't touch the AC button until I get it fixed. Thanks!
On the contrary, make sure the the "A/C Off" is activated!
 
 


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