I noticed the other day that when the muffler shop did my Cat back that they did not hook my exhaust ground wire back up .. on the rear driver side section of the car. I have not noticed any ill effects of this so far ... what does this ground do?

I was also wondering, I don't have a welder ... do you think I could solder that wire on to my rear pipe? or do you think i would just melt do to the heat? It's way back in the rear .. but I'm not sure how hot the pipes get back there.


Thx for the info,
Robert

 

mines what cut also, but i didn't notice anything wrong so i never cared
-mike

 

Well stupid little things like this worry me ... so this is what i did to fix it. Damn i'm a tweak .. but that should do the trick

 

just FYI here...not tring to attack anyone here!
the exaust was probably braised together...muffler shops prefer braising because its easier and faster...just need a torch and some braising rods and your set!!

 

Huh? what does that have to do with the price of Tea in China?

 

like i said just FYI...FOR YOUR INFORMATION !!!!!!!!!!!

 

relax

I was not sure if braising had somthing to do with why they did not hook my ground back up ... I don't even know what braising is (now I do )

 

ok
but as far as the ground wire mines like hanging on by a thread or two...don't know how important it is???

 

My ground wire as off. Hooked it up, 12's all day. :-D Just BSin'

Mine doesn't even have it.

 

Every exhaust shop I have ever been to has welded instead of brazed. Where are you getting this information from?

The ground wire is mostly to help prevent the exhaust from rusting due to electrolosys. It's not that critical and I'd imagine that 90% of the cars here have it missing.

 

hmm would solder stand up to exhaust temperatures? i wouldn't think so.

 

exhaust ground.....RIIIGHT

 

ya i thought the same thing... thats why i decided to go with that clamp.

I did read a post a while back where someone was having idle & hesitation issues ... and he said his exhaust ground being re-wired fixed the problem. So I think it does more than prevent rust .. I will seach for that post.



EDIT: Hmm too many posts comming up in the search .. But if I recall the guy who thought that was his problem thought it had somthign to do with helping the O2 sensor get a good ground. But I don't know how a O2 sensor could affect his idle ???

my consensis; it's there for a reason .. it cant do anything negative; keep it.

 

Mine was hanging after my friend and I took off the exhaust and put it back on. I hooked it up because I know its there for a reason and if I didnt fix that, it would be in the back of my mind haunting me for ever! Im a freak like you

 

It is an exhaust ground.
It helps ground the exhaust system - this MIGHT help the ground of the O2 sensor.&nbsp The O2 sensor grounds through its housing.&nbsp The ground also minimizes rust on the exhaust system.&nbsp This is why the sunroof and hatch frame tends to rust faster than the rest of the car - they are "floating" and cannot ground with the rest of the car.


-Ted

 

Interesting. I didn't know that. I can't even find my Exhaust Ground come to think of It.

 

Is it within reason that one could just install a wire to ground out the hatch near the headliner?

 

the hatch frame is bolted on and has metal shocks holding it up. how much ground would it need? i am thinking of the same thing here aren't i?

 

Sure.


-Ted

 

Yes, you are correct.
The problem with the hatch is that it's painted before installed.&nbsp The bolts do make some contact, but it's not a very good *metal* contact.


-Ted

 

i just kept mine its gotta serve some purpose at no cost to me right?

88 fc3s vert n/a