ok... this sucks! after a good 30 minute highway run, my car just wants to overheat when i do my cool down before i shut the car off. so far, i have replaced my ac fan with a slim one, rewired to turn on all the time, new rad, a flush and fill with water and water wetter. driving will be fine. temps seem to be fairly average but as soon as i let it idle, my temp gauge will go 3/4's the way up... not any higher...
any suggestions? going to try a new thermo soon...
#87883, "RE: overheating at idle" In response to Reply # 0
YUp, you won't overheat when cruising cause you are getting enough ait to cool down, but at idle you are not getting any. I had the same thing and it was a badly installed head gasket. My coolant overflow tank filled with boiling coolant and at idle I would spew a shitload of coolant on the floor. Do a leakdown test to confirm this.
#87884, "RE: overheating at idle" In response to Reply # 1
Originally posted by TXTurboGS YUp, you won't overheat when cruising cause you are getting enough ait to cool down, but at idle you are not getting any. I had the same thing and it was a badly installed head gasket. My coolant overflow tank filled with boiling coolant and at idle I would spew a shitload of coolant on the floor. Do a leakdown test to confirm this.
I would try a new thermostat or just take your thermostat out since it is summer...
_____________________________________ Scott 90' GSX, 06' Effo SSL
#87889, "RE: overheating at idle" In response to Reply # 2
yeah, check your thermostat, I had the same problem, and it turned out to be a shattered thermostat, but don't take out the thermostat just get a cooler one like a 160* or 180*, because running cold isn't any better.
SoCal DSM 1996 RS-T: Under Construction 1999 GS AE: New daily driver "USING NO WAY AS A WAY, HAVING NO LIMITATION AS A LIMITATION"--BRUCE LEE
#87891, "RE: overheating at idle" In response to Reply # 3
im going to try a colder thermo and a new cap. i dont suspect my hg. i dont see anything boiling in the overflow and my oil isnt milky yet!. i also wanted to ask, i ve seen on a few setups, that orange sleeve that goes over the upper rad hose, does that come with the hahn kit? anyone know where i can get a sleeve like that?
#87908, "RE: overheating at idle" In response to Reply # 5
Make sure that your cooling system is burped completely. I had this problem on the POS, and it was because of a huge air bubble that liked to live in the heater core. I heard it for a good two weeks before I could be arsed to do anything about it.
#87919, "RE: overheating at idle" In response to Reply # 6
i had this saved from some other post b/c the same thing happens to me, can't vouch for it, cause i havent' gotten around to doing it yet, but i ruled out hg and i've got a new thermostat so this is the next thing i'm trying
"Hey guys just wanted to share something with you that I just did on my 2g....
My car use to overheat at idle when driven in traffic and then cool down after I started to move. I replaced the thermostat just for shits and giggles and didn't fix it, . This started to get really bad and the temp climbed to 3/4 on the gauge. So anyways, many people said that its a headgasket problem. I sat there and . The car runs great for 96k miles on it so I thought how could that be. I realized that I NEVER hear the fans come on. The relays checked out so next on the shit list was the coolant temp sensor. It cost me $25 at kragen. I put that sob in there ran the car around the block a few times and then let it idle in the drive way. The temp guage stayed in the middle and I heard the fan come on. I did this for 30 mins or so and I heard the fan come on a couple of more times. The car did not overheat AT ALL. So if your car has the symptoms stated in the title, you migggggght be a redneck i mean you might wanna replace your coolant temp sensor ."
I contributed to the Wiki! EVO IX - just a really expensive boost gauge and a K&N air filter 96 Eclipse RS -awaiting registration and inspection 95 Eclipse GS - parts car Mods/Profile - http://www.2gnt.com/index.php?d=cs82685
#87926, "RE: overheating at idle" In response to Reply # 7
lol... thats funny! i know my fans turn on! i check under the hood almost everyday after my drive to work! i even rewired the damn fans to turn on with the key in the on position. the flush did help it a bit. my temps stay below middle while driving.
on a side note, i havent been able to work on my car lately. its in the shop, receiving a new custom ss tube manifold! maybe this will help my "full boost @ 4700rpm" problem!
#87966, "RE: overheating at idle" In response to Reply # 8
Originally posted by cartuners00 lol... thats funny! i know my fans turn on! i check under the hood almost everyday after my drive to work! i even rewired the damn fans to turn on with the key in the on position. the flush did help it a bit. my temps stay below middle while driving. on a side note, i havent been able to work on my car lately. its in the shop, receiving a new custom ss tube manifold! maybe this will help my "full boost @ 4700rpm" problem!
Well then...that's a good point, i think mine do too which means my cars just gonna continue to piss me off until i figure out why its overheating, maybe a flush...out of curiosity where exactly did you wire the fans to to turn on when the key is in the on position
I contributed to the Wiki! EVO IX - just a really expensive boost gauge and a K&N air filter 96 Eclipse RS -awaiting registration and inspection 95 Eclipse GS - parts car Mods/Profile - http://www.2gnt.com/index.php?d=cs82685
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