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Coolant leak!!

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Old 02-22-2019, 07:50 AM
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Coolant leak!!

hey guys I just had my radiator replaced about 2 months ago and only drove it like 4 times since then. This morning I threw some coolant in because it was empty for some reason, topped it off to about half way mark. I get to work and steady rev the car to about 5k rpm for 2 seconds to release any carbon build up. The car started steaming and there was a pile of coolant everywhere. The steam came from the coolant all over engine

What could it be? I just had radiator replaced. Could it be the cap? It seemed secure when I checked it. The black hose to the right of the cap had a drip of coolant coming out of, could’ve came from there?
Old 02-22-2019, 08:13 AM
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Well first stop randomly reving your car while parked for no good reason, second don't drive it as is or you will only make things worst.
did you look at all of the lines to make sure none of them have cracked? what all was replaced just the rad?
Old 02-22-2019, 08:18 AM
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The fact that it was empty in the morning should have been a big red flag. The internet can't help here, you need to find where the coolant is leaving the system. Could be the cap, could be a burst hose, could be a poor connection to the new rad, could be your overflow bottle has cracked, which is not unheard of. Those things get fragile with age.
Old 02-22-2019, 08:18 AM
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Originally Posted by sonicsdaman
Well first stop randomly reving your car while parked for no good reason, second don't drive it as is or you will only make things worst.
did you look at all of the lines to make sure none of them have cracked? what all was replaced just the rad?
yeah just the radiator. I did the rev bc that’s what I’ve been reading about on forums, probably shouldn’t have. I’m thinking it was pressure build up. I’m going to inspect the cap and any lines I can physically see without taking anything apart.
Old 02-22-2019, 08:20 AM
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Originally Posted by Loki
The fact that it was empty in the morning should have been a big red flag. The internet can't help here, you need to find where the coolant is leaving the system. Could be the cap, could be a burst hose, could be a poor connection to the new rad, could be your overflow bottle has cracked, which is not unheard of. Those things get fragile with age.
this helps! I’m gonna inspect it then give the guy who put the new radiator in a call and see what he says
Old 02-22-2019, 08:26 AM
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Also what was the reason for the rad replacement? There might be a clue there.
Old 02-22-2019, 08:28 AM
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Originally Posted by Loki
Also what was the reason for the rad replacement? There might be a clue there.
i made a forum post a while ago. I saw coolant leaking, jacked it up and started car while it was jacked up to spot leak, then instantly dark cloudy smoke came out of exhaust. Turned car off and took to mechanic. Replaced radiator and no longer smoke coming out of exhaust, is running fine until coolant leak again this morning. Car does not over heat
Old 02-22-2019, 08:44 AM
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Originally Posted by Aiirflight23


yeah just the radiator. I did the rev bc that’s what I’ve been reading about on forums, probably shouldn’t have. I’m thinking it was pressure build up. I’m going to inspect the cap and any lines I can physically see without taking anything apart.
the only reason to hold the revs for a few seconds before shut down is if 1) you have a unhealthy ignition setup(coil, wires, sparkplugs). 2) the engine is not warm enough for shutdown(half way up the dummy gauge) 3) you have a rotary engine/car from the 70's

if you have a healthy engine/ignitions/starter you can start and stop your engine all day while it's cold.


was the new rad all aluminum or an oem replacement? there is a little plastic nipple on the oem that is known to snap off even on new ones. like loki said look everything in the cooling system over, rad, all hoses, thermostat, water pump, etc.
Old 02-22-2019, 08:48 AM
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Hmmmmm yeah so there is no way replacing the radiator fixed smoke from the exhaust. The 2 are not related. But I suppose it fixed the original coolant leak?

If you're getting clouds of smoke from the exhaust, consider repairing your ignition .
Old 02-22-2019, 09:31 AM
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Originally Posted by Loki
Hmmmmm yeah so there is no way replacing the radiator fixed smoke from the exhaust. The 2 are not related. But I suppose it fixed the original coolant leak?

If you're getting clouds of smoke from the exhaust, consider repairing your ignition .
hate to say this but some people have told me it’s the apex seals. But weird how the smoke disconinuted after radiator changed?

Anyway ignition was something I was gonna replace in a couple week, now this lol
Old 02-22-2019, 09:46 AM
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you should stop talking to those people.....
Old 02-22-2019, 10:04 AM
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thats a common piston lover thing to say when hating on rotarys. "your tires went flat? must be the apex seals, lolz XD". theres around 9 coolant hoses on our engines, some tucked away under the battery tray. id check there first if you cant see the leak from the top
Old 02-22-2019, 10:17 AM
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Originally Posted by Zeox
thats a common piston lover thing to say when hating on rotarys. "your tires went flat? must be the apex seals, lolz XD". theres around 9 coolant hoses on our engines, some tucked away under the battery tray. id check there first if you cant see the leak from the top
LOL they really act that way too 😂 I’ll start there
Old 02-22-2019, 10:18 AM
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Originally Posted by sonicsdaman
you should stop talking to those people.....
i agree, they put so much negativity about the engine w/o knowing the issue
Old 02-24-2019, 02:18 PM
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I mean, if it's the apex seals, you will know first when your car refuses to start when it's all warmed up.
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