Finally got my engine done today, rebuilt by me and Dougie on the board. My car was down for a lil over 2 months, Im so happy to have it back, but my idle is horrible. The car wont stay idle by itself. We just moved the cable adjuster over to keep it at 1200rpms. We think its my IAC, it was pretty black in there, we tried to take off the sensor but the diamn bolt broke inside TB so we didnt even try the other bolt, so we didnt take it out. Doug put my TB on his GS and it wouldnt idle either. So anyone wanna take a gues? 1999 Mitsubishi Eclipse GS 10th Anniversary OZ Edition
#63043, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 0
Haha sound like my idle. it is really deep and sounds like a V8. really rough like i have killer cams. i cant figure it out either. Rockin the INDY DSM club
#63049, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 3
IAC for sure... you need to drill the head off the bolt that wont come out... then once the IAC is off you should be able to grad the thread thats left with some vice grips...
#63051, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 4
Make sure you have a pretty stout drill bit to drill that thing out with! I broke oneon one of those bolts. If you're lucky, you broke the one that you can drill all the way through to the other side with. Then you can just grab a simple bolt at Home Depot that goes all the way through and put a nut on the beeotch.
Also, don't forget to check your vac lines. The small ones on the back of the intake mani can be a PITA when it comes to getting the car to idle right. And then the one that goes from the top of the TB arouns back over behind the timing belt next to the fender. Ugh. Vac lines...
Good luck and congrats on completing the rebuild sir!
#63055, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 5
Man, another problem just discovered after moving my car over night a big oil spot on the ground. I lost a crap load of oil. I had to put in 2 qts. Its dripping straight down from my tranny, I dont kno where its coming from, its hard to follow the trail of oil to its source. Im thinking it may be from my oil pressure sender. I dont know...I hope it aint the rear main seal. I dont kno... 1999 Mitsubishi Eclipse GS 10th Anniversary OZ Edition
#63059, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 6
from the tranny?
That's probably rear main seal man! The big black rubber one you have to tap in. If you put it in too far, it can leak on you. Sounds like its time to drop the tranny again sir.
Don't feel bad. We forgot the o-ring in the bedplate when we did mine and got the same sort of thing man. It is teh sux0rs, but you have to do it.
#63060, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 0 Nov-14-03 04:46 AM by Michael_97RS
Why don't you try unbolting the IAC first before you start drilling or cutting a stuff up.
*edit* If you didn't use teflon tape or paste on the thread of your oil sending unit, that could be you leak. Take a look and see where it's coming from beforeyou yank the tranny.
#63061, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 8
Yea I bet its the rear main seal...damn...we used teflon tape on the sender...its not leaking there...man this sucks..have to drop the tranny. 1999 Mitsubishi Eclipse GS 10th Anniversary OZ Edition
#63064, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 9
when i did my HG i had to replace a valve and it didnt seat right, car idled like shit and it even threw a cel. that would be my guess if you tinkered with the head at all.
#63069, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 10
Congrats on your rebuild.. Hell, I didn't even know that you were rebuilding. But GOOD JOB! how was it? Nick 97RS turbo8u> shut your SUCK ZAO684: NIPPLE warning...maybe>?
#63077, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 11
Engine sounds so smooth, I put on a new Apex N1 3" exhaust and the low 8.8 JE pistons...sounds nice...i thought it would be all air and sound like sumone yawning lol, but its a nice deep tone. Everything went real smooth...except thses probs. 1999 Mitsubishi Eclipse GS 10th Anniversary OZ Edition
#63082, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 12 Nov-14-03 10:09 AM by xEclipsE RaceRx
OK i see oil seeping right between the block and the tranny...I dont think it is coming from a higher place, i wrapped my autometer oil pressure sender in napkins and had my car running, the napkin was dry....would this definatly confirm it being the rear main seal?
Also I used arp head studs and a new mopar head gasket, torqued it down to arp specs, so it shouldnt be my head right...I didnt use that copper spray that ive been reading in post tho.
I lost 2 qts of oil overnight... 1999 Mitsubishi Eclipse GS 10th Anniversary OZ Edition
#63088, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 13
OK this is just a wishing post...but do you think that if i drive the car around a lil it will give all the gaskets to heat up and expand to seal?...hehe like maybe the real seal heat up and expand to stop fuckin pissing. 1999 Mitsubishi Eclipse GS 10th Anniversary OZ Edition
#63123, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 15
i just did my hg, and have the same problem also, but 2qts over night is quicky heavy. im thinking its my rear main seal too. is there a way to check to make sure that its 100% sure that its the Rear main seal? and how hard is the job? i just did my own hg job with a lil help from turbo8u, let me know if i can handle something like this.
#63124, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 16
this may sound a lil retarded but try checking the tps if it seems like the idle is so bad that the car shakes violently. i did my rebuilt this past summer. the rebuilt took 2 days but the car was in the shop for almost a month trying to decipher why my idle was like shit. after two heads and a bunch of timing tuning, someone mentioned that it might be the tps since he experienced the same thing in a neon. guess what? it was the tps. give that a try.
#63153, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 16
Originally posted by Vinh766 i just did my hg, and have the same problem also, but 2qts over night is quicky heavy. im thinking its my rear main seal too. is there a way to check to make sure that its 100% sure that its the Rear main seal? and how hard is the job? i just did my own hg job with a lil help from turbo8u, let me know if i can handle something like this.
Remove your lower cover plate...if you can..its on the bottom of the tranny facing the oil pan(3 bolts I believe). If its full of oil, or oil pours out..then you'll know...I think this can lead to clutch problems if oil gets in there...anyone?
#63242, "RE: Engine Rebuild DONE! Idle... Whack!" In response to Reply # 19
if oil is leaking onto you tranny.. and causing the clutch to slip.. its most likely is the rear main seal. my clutch is toast now b/c it is covered in oil. my bet for both of you guys is a leaky rear main.
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If you're lucky, you broke the one that you can drill all the way through to the other side with. Then you can just grab a simple bolt at Home Depot that goes all the way through and put a nut on the beeotch. 
