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Just bought one of these
Last edited by einstein57; 07-12-2013, 02:59 AM.Your signature picture has been removed since it contained the Photobucket "upgrade your account" image.
www.gecoils.com
My euro 316 project Transaction Feedback
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any of you guys do the old "drill a hole in the thermostat" trick? I've been chasing an over heating-at-idle problem for the last month.
-new head gasket
-new 80c thermostat
-new cx racing radiator
-removed original fan & clutch
-installed Ireland Engineering 14'' fan (manual on/off switch for now)
-bled numerous times
heres the run down: I can start this car up, and drive all day at 80+ on the freeway and the temp needle will sit just below the halfway mark with no problem. as soon as I exit or let it idle...the temp needle creeps up to the 3/4 mark within 60 seconds! I turn the electric fan on manually but no help in bringing that needle down.
However, if I blip the throttle a few times in neutral, it will come back down to just below 1/2 within 10 seconds. super weird.
I've been using the search function for a few weeks now but nothing really seems to be resolved. the threads just slowly fade away.
So I guess my question is: whats my next step?
-drill hole in thermostat?
-replace line going from reservoir to radiator? (read a thread about these being blocked with crud)
-water pump? (based on previous searched, my symptoms appear to not be a water pump issue)
-get someone to actually knows how to bleed the system????Eibach
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Drilling a hold in the thermostat should not be necessary and is just another band-aid.
I would definitely check to make sure your reservoir nipple isn't clogged. This will absolutely make the car overheat if the coolant isn't flowing correctly. You should be able to open the reservoir cap with the engine running and see the water trickling in.
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Originally posted by E30_Pare View Posti have a feeling your coolant mixture maybe off. what are you running? 50/50 mix ?
I say do a coolant flush, & dont forget the coolant plug on the block.
I feel the same way about my technique, so I usually take it to my "Black guy KEV"@IRON-E30 aka Edwin:D
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Originally posted by MR 325 View PostDrilling a hold in the thermostat should not be necessary and is just another band-aid.
I would definitely check to make sure your reservoir nipple isn't clogged. This will absolutely make the car overheat if the coolant isn't flowing correctly. You should be able to open the reservoir cap with the engine running and see the water trickling in.
The clogged line makes sense at this point. when the car was purchased, it had a leaking head gasket, original radiator and just a ton of shit in the coolant. I even think I saw some of that radiator stop-leak stuff in the coolant when I first drained it.
When I have the radiator cap off, the coolant will rise up and pour out all over my damn floor. so this leads me to believe that coolant is being fed through the large hose at the bottom of the reservoir, but cant make its way back to the radiator via tiny hose.
I think i'll make a trip to autozone to get a new line, drain and cross my fingers.
regarding my mixture,
I'm using Autozone non-mixed. then I do half bottled water/half coolant in there. I've been tracking Hondas for about ten years and I've always used this formula. never let me down. Maybe the bmw's are a bit more temperamental? I've flushed it a handful of times, including the block plug.
Iron,
Its true, at this point, I don't feel as though I've bled it correctly. Hondas are a piece of cake when it comes to bleeding the coolant compared to this car.
Thanks again guys for all your advice. I just didn't want to start ANOTHER overheating thread.Last edited by Tanner; 07-12-2013, 08:25 AM.Eibach
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