 Gen II Swap -- Odd Coolant Issue -- HELP! |
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 Jun 18, 2009 - 5:45 PM
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Enthusiast  Joined Jun 25, '05 From Fort Wayne, IN Currently Offline Reputation: 14 (100%)  |
Noticed it last week, progressed to a head just now when my wife got home. Last week when I'd get home I'd hear some gurgling coming from the cooling system. Last night when my wife got home it was steaming out of the vent in the overflow resevoir. Today she just parked in the driveway and there's a huge puddle of boiling coolant under the car that's coming from that overflow resevoir vent.
The car is NOT overheating. It's running fine. So that kind of rules out the thermostat as if it was stuck closed there'd be obvious indicators. No leaks or cracks noted. Oil is fine in color as is coolant. Thoughts? --------------------  |
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Jun 18, 2009 - 5:53 PM
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 Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
anything change in your intercooler setup to block air flow to the radiator?
-------------------- 15PSI - 30MPG - Megasquirt Tuned
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Jun 18, 2009 - 5:58 PM
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Enthusiast Joined Jun 25, '05 From Fort Wayne, IN Currently Offline Reputation: 14 (100%) |
Nope. Nothing there was changed. I did find last night that the spring loaded center section of the radiator cap is broken/not attached, but I didn't think that would cause it as the cap still seems to seal. Heading out for a new on momentarily.
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Jun 18, 2009 - 6:05 PM
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Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
That could be the problem.
That spring is what keeps the cooling system pressurized and controls overflow. -------------------- 15PSI - 30MPG - Megasquirt Tuned
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Jun 18, 2009 - 9:08 PM
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Enthusiast Joined Jun 25, '05 From Fort Wayne, IN Currently Offline Reputation: 14 (100%) |
QUOTE (lagos @ Jun 18, 2009 - 6:05 PM)  That could be the problem. That spring is what keeps the cooling system pressurized and controls overflow. We'll see. I got the new cap on and idled it while I sprayed the engine bay down (dang sanding dust), and it didn't act funny. Tomorrow will tell though as I'm taking the car to work. -------------------- |
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Jun 19, 2009 - 7:38 AM
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Enthusiast Joined Jun 25, '05 From Fort Wayne, IN Currently Offline Reputation: 14 (100%) |
Follow-up -- New cap seems to have fixed the problem. There was no out of normal things going on when I got to work this morning.
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Jun 19, 2009 - 8:08 AM
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 Moderator Joined Oct 1, '02 From fall river, ma Currently Offline Reputation: 13 (100%) |
QUOTE (Fastbird @ Jun 19, 2009 - 7:38 AM) Follow-up -- New cap seems to have fixed the problem. There was no out of normal things going on when I got to work this morning. yea, if the cap was bad, i would be willing to bet just as art said that it was your problem, its what keeps the system pressurized. -------------------- Former Team 5SFTE pro member ;)
 13.6@108MPH, 5SFTE Powered |
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Jun 19, 2009 - 8:27 AM
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Enthusiast Joined Jun 25, '05 From Fort Wayne, IN Currently Offline Reputation: 14 (100%) |
QUOTE (presure2 @ Jun 19, 2009 - 8:08 AM) QUOTE (Fastbird @ Jun 19, 2009 - 7:38 AM) Follow-up -- New cap seems to have fixed the problem. There was no out of normal things going on when I got to work this morning. yea, if the cap was bad, i would be willing to bet just as art said that it was your problem, its what keeps the system pressurized. Sad part is that I had it off the previous night, noticed it, and didn't even think about it.  Got what I got for that one, a nice puddle of coolant on the driveway. Glad I got it fixed though. She's sitting in the base car show this afternoon (hoping to win the modified class). -------------------- |
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Jun 19, 2009 - 8:41 AM
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Moderator Joined Oct 1, '02 From fall river, ma Currently Offline Reputation: 13 (100%) |
QUOTE (Fastbird @ Jun 19, 2009 - 8:27 AM) QUOTE (presure2 @ Jun 19, 2009 - 8:08 AM) QUOTE (Fastbird @ Jun 19, 2009 - 7:38 AM) Follow-up -- New cap seems to have fixed the problem. There was no out of normal things going on when I got to work this morning. yea, if the cap was bad, i would be willing to bet just as art said that it was your problem, its what keeps the system pressurized. Sad part is that I had it off the previous night, noticed it, and didn't even think about it. Got what I got for that one, a nice puddle of coolant on the driveway. Glad I got it fixed though. She's sitting in the base car show this afternoon (hoping to win the modified class). glad ya got it sorted man. GOOD LUCK IN THE SHOW!! -------------------- Former Team 5SFTE pro member ;)
13.6@108MPH, 5SFTE Powered |
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Jun 19, 2009 - 6:38 PM
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Enthusiast Joined Jun 25, '05 From Fort Wayne, IN Currently Offline Reputation: 14 (100%) |
Was the cap. No boiling when I got home a while ago and it was freaking HOT out. Thanks for the backup on that guys.
Oh, and it took "Best Modified -- Car" in the show. Small base show, but heck, it's a start. Stiffest competition was an AMAZING 70 Chevelle SS w/a 509 big block that was extremely clean. -------------------- |
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Jun 19, 2009 - 6:43 PM
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Enthusiast Joined Aug 31, '02 From Philadelphia, PA Currently Offline Reputation: 8 (100%) |
glad it was something simple and easy to fix.
congrats on the trophy too, you deserve it! -------------------- 15PSI - 30MPG - Megasquirt Tuned
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