HOT coils
04-20-03, 05:47 PM
#1
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HOT coils
anyone ever had coils that are VERY hot to the touch after a 1/2 hour run or equivalent?
im assuming when its really hot like that, it's failed or not up to par..
im assuming when its really hot like that, it's failed or not up to par..
04-20-03, 06:00 PM
#2
Former Moderator. RIP Icemark.
Dude.. how many time are you going to post this???? 8 times is way way too many.
They should be warm just from the engine running, and even warmer if just idleing (no air flow).
They should be warm just from the engine running, and even warmer if just idleing (no air flow).
Last edited by Icemark; 04-20-03 at 06:04 PM.
04-20-03, 06:16 PM
#3
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Electrical resistance generates heat. Your coils should have low resistance (see factory spec,). Do the resistance test(repair manual) on your coils to see if they are within spec. Check your plug wires while your at it!
B
B
04-20-03, 06:46 PM
#4
Originally posted by Icemark
Dude.. how many time are you going to post this???? 8 times is way way too many.
They should be warm just from the engine running, and even warmer if just idleing (no air flow).
Dude.. how many time are you going to post this???? 8 times is way way too many.
They should be warm just from the engine running, and even warmer if just idleing (no air flow).
He has posted one thread about getting his car running smoothly, and It wasn't a topic about the coils.
04-20-03, 06:47 PM
#5
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Originally posted by charger-
Pull the stick outta your ******* ***.
He has posted one thread about getting his car running smoothly, and It wasn't a topic about the coils.
Pull the stick outta your ******* ***.
He has posted one thread about getting his car running smoothly, and It wasn't a topic about the coils.
so i clicked it a bucnha times then closed the window..
WAY TO GO, ME!!!
sorry about taht you guys
Originally posted by Icemark
They should be warm just from the engine running, and even warmer if just idleing (no air flow).
They should be warm just from the engine running, and even warmer if just idleing (no air flow).
Last edited by Black13B; 04-20-03 at 06:51 PM.
04-20-03, 06:52 PM
#7
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Originally posted by jeyjey
I guess we have to put up with the slow ones too....
I guess we have to put up with the slow ones too....
dont know why... but i was getting no response and was assuming i had to shutdown and reset the modem..
ANYWAYS though.. back on topic..
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04-20-03, 07:06 PM
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Originally posted by Black13B
actually my internet was lagging right out and my modem wasnt "sending" when i clicked post thread
so i clicked it a bucnha times then closed the window..
WAY TO GO, ME!!!
sorry about taht you guys
they were um.. burn-your-fingers-hot man.. thats why i posted.. seeing if anyone else had experienced the same thing..
actually my internet was lagging right out and my modem wasnt "sending" when i clicked post thread
so i clicked it a bucnha times then closed the window..
WAY TO GO, ME!!!
sorry about taht you guys
they were um.. burn-your-fingers-hot man.. thats why i posted.. seeing if anyone else had experienced the same thing..
04-20-03, 07:14 PM
#9
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i pulled the trailings out (coil(s)) and it ran the same without them....
i was only driving for 1/2 hour and it wasnt hard driving though..
speaking of which, are s4 and s5 coils interchangeable?
and (on my 3rd edit of this post )
one thing i also noticed (with the trailing coil hot as hell) the leading was.. not even warm..
i was only driving for 1/2 hour and it wasnt hard driving though..
speaking of which, are s4 and s5 coils interchangeable?
and (on my 3rd edit of this post
)one thing i also noticed (with the trailing coil hot as hell) the leading was.. not even warm..
Last edited by Black13B; 04-20-03 at 07:18 PM.
04-20-03, 09:22 PM
#13
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like i was saying the lead wasnt even that warm at all.. barely..
the trailing was HOT bigtime.. i replaced it though.. i had the car running with the new coil and it ran a little smoother, so i went to mount it and it was arc-ing on the mount when i jiggled it.. (just a tad)
all that tells me is that its grounded out on the mount.. which it IS suppost to be, right? or not..
just thought id pitch out ALL the info, any tidbit could be of help to diagnose, right?
i idled it up to operating temp with the new one all mounted up (not really new, just another functional one) and it wasnt too warm.. but a tad warm.. just like the lead
but like i said after a 1/2 hour drive with the old trailing, the lead was really cool and the trailing was ridiculously hot
the trailing was HOT bigtime.. i replaced it though.. i had the car running with the new coil and it ran a little smoother, so i went to mount it and it was arc-ing on the mount when i jiggled it.. (just a tad)
all that tells me is that its grounded out on the mount.. which it IS suppost to be, right? or not..
just thought id pitch out ALL the info, any tidbit could be of help to diagnose, right?
i idled it up to operating temp with the new one all mounted up (not really new, just another functional one) and it wasnt too warm.. but a tad warm.. just like the lead
but like i said after a 1/2 hour drive with the old trailing, the lead was really cool and the trailing was ridiculously hot
04-20-03, 09:52 PM
#14
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The coil grounds to the car. Make sure that the bolt holes and area are clean and free from rust. When you replaced the coil, did you replace the ignitor as well? And the plugs and wires?
04-20-03, 09:57 PM
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no, just the 3 bolts that are holding it down as a unit.. where is the ignitor located?
i didnt clean it up from rust
i should do that tomorrow too.. there isnt any rust, but its not the cleanest mount..
the plugs are a lil oily from the MMO treatment it had and theyre on order for tomorrow, and the wires are new (the plug wires)
i didnt clean it up from rust
i should do that tomorrow too.. there isnt any rust, but its not the cleanest mount..the plugs are a lil oily from the MMO treatment it had and theyre on order for tomorrow, and the wires are new (the plug wires)
04-20-03, 10:06 PM
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thats what i thought.. let me get this straight.. theres 2 separate coils for the trailing and its mounted to the ignitor which is all attached if you just unbolt right?
the lead has one coil thats shared and one igniter too (from what i can see by its structure as opposed to the trail)
thats just my guess.. im still a newb, dont forget
AND while we are on the topic.. are the trailing plugs STRICTLY for emissions? or do they play a role in the combustion/power?
the lead has one coil thats shared and one igniter too (from what i can see by its structure as opposed to the trail)
thats just my guess.. im still a newb, dont forget
AND while we are on the topic.. are the trailing plugs STRICTLY for emissions? or do they play a role in the combustion/power?
04-20-03, 10:12 PM
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well i was just curious..
it ran a little smoother with the new trailing coils
and i started it up WITHOUT the old trailing coils even IN the car (sitting on the workbench) and it ran the same way it did with the old ones in it..
it ran a little smoother with the new trailing coils
and i started it up WITHOUT the old trailing coils even IN the car (sitting on the workbench) and it ran the same way it did with the old ones in it..
04-20-03, 11:56 PM
#20
Former Moderator. RIP Icemark.
Originally posted by charger-
Pull the stick outta your ******* ***.
He has posted one thread about getting his car running smoothly, and It wasn't a topic about the coils.
Pull the stick outta your ******* ***.
He has posted one thread about getting his car running smoothly, and It wasn't a topic about the coils.
And yes it was and is only about the coils... that is why he asked:
anyone ever had coils that are VERY hot to the touch after a 1/2 hour run or equivalent?
04-21-03, 06:16 AM
#21
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Your post is way out of line, he posted the same thread 9 times and I had to delete 8 of them.
04-21-03, 07:10 AM
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Originally posted by Black13B
my... CABLE modem..
dont know why... but i was getting no response and was assuming i had to shutdown and reset the modem..
ANYWAYS though.. back on topic..
my... CABLE modem..
dont know why... but i was getting no response and was assuming i had to shutdown and reset the modem..
ANYWAYS though.. back on topic..
04-21-03, 10:26 AM
#24
Former Moderator. RIP Icemark.
Originally posted by Black13B
it was just a mistake dude - i said it once and ill say it again - sorry about that - now lets get past it!
it was just a mistake dude - i said it once and ill say it again - sorry about that - now lets get past it!
But I was pissed at charger- for his response.
And yes to go back on subject, the trailing coils are not needed to run the engine, however, they are needed for emissions and smoothness.
Also it is rare for a an FC coil or coil pack to fail. You might want to look into what went wrong further.
Has there been a voltage issue, or loose plug that could have caused arcing? Perhaps a bad spark plug cable?
04-21-03, 10:32 AM
#25
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well im starting to think its the spark plug cables (BUT they LOOK so FRESH and so CLEAN!)
umm i put in new plugs - no real difference
trailing coil got decently hot again after a 1/2 hour drive
i swapped lead coils with another functional one - no difference
car ran pretty well the same with small differences with the TPS disconnected - not quite as smooth but it still ran pretty well the same
wouldnt start (due to no spark it would seem) with CAS disconnected (of course.. just testing stuff out)
i wiggled the lead coil (not bolted but sitting on the mount) and pulled it away a bit from the ground and it stalled out.. so i cleaned up the ground areas on it and it still ran pretty well the same
umm i put in new plugs - no real difference
trailing coil got decently hot again after a 1/2 hour drive
i swapped lead coils with another functional one - no difference
car ran pretty well the same with small differences with the TPS disconnected - not quite as smooth but it still ran pretty well the same
wouldnt start (due to no spark it would seem) with CAS disconnected (of course.. just testing stuff out)
i wiggled the lead coil (not bolted but sitting on the mount) and pulled it away a bit from the ground and it stalled out.. so i cleaned up the ground areas on it and it still ran pretty well the same