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Where is my coolant going??

Forum: C3 HVAC, Fuel, Emissions, and Exhaust

16 Messages
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Where is my coolant going??

Posted: 12/10/06 9:17amMessage 11 of 16
g
gs77vet
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Joined: 3/19/2005
Posts: 385

Hey Zgator, When your engine is hot check around the water intake on you radiator, (top left side) usually a small crack near the radiator. I had the same problem, hence a new radiator. I wish for you better luck. Gene

Question, What does zgator mean. If it means you are a Florida football fan. (WAR EAGLE) Big%20smilegs77vet2006-12-10 09:19:17
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Where is my coolant going??

Posted: 12/10/06 5:32pmMessage 12 of 16
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Chips58
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Alice Springs, Australia
Joined: 5/6/2004
Posts: 535
Vette(s): 71 Coupe Black on Black
[QUOTE=zgator][QUOTE=Chips58]

If you've not put the cap on right (I presuming it's on the expansion tank) you'll be dumping coolant on the road as you drive.  I would expect to see a puddle under the car when you stop though unless you've lost that much that it can't reach the drain.  Is the engine temp higher than normal?  That would indicate not enough pressure in the cooling system.

[/QUOTE] No man I'm not talking expansion tank.I mean Raidiator cap!!The engine temp is cool no problem there either[/QUOTE]
 
No problem.  I thought 82's had an expansion tank and no cap on the radiator with the expansion tank being part of the pressure system.
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Where is my coolant going??

Posted: 12/10/06 6:47pmMessage 13 of 16
z
zgator
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Savannah, GA - USA
Joined: 1/20/2005
Posts: 936
Vette(s): 1982CE,32,000 and counting. (fast!!) 1981 Vette, black on black. ZZ4 (quick!!)
My 82 has a cap for the rad.and the expantion tank that you use to fiil the system.The problem is that I tried to fill the system through the rad now my cap might be messed up or put on wrong.Could this be the cause?
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Where is my coolant going??

Posted: 12/10/06 7:29pmMessage 14 of 16
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Sarge81
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WEST SENECA, NY - USA
Joined: 12/3/2001
Posts: 2381
Vette(s): 1981 Blue Ice Met. w/pearl ghost flames TKO500 5speed. LS1 Swap 3.45 Dana 44.
Like Gunslinger and Ten15 said....pressure test the system. Guessing and speculating isn't going to pinpoint the problem quickly.
 
I went nuts for a couple weeks last summer trying to figure where the heck the smell of antifreeze was coming from when I first started the car. Nothing in the oil, nothing on the ground or visible dampness or smoke.
 
So I finally put a tester on the system and pumped it up to 15 psi and after 20 I finally had a puddle form on the ground. I did the pressure test cold.
 
Turned out to be a loose heater hose clamp at the heater shut off valve. 
The antifreeze would seep upon cold start up and drip onto the exhaust header evaporating before it could hit the ground. And the leak at the clamp would stop as soon as the coolant got hot. So that left no opportunity for it to give off "smoke signals." 
 
Good luck on finding that leak!  


GEN III 5.7L "LS6" Engine swap
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Where is my coolant going??

Posted: 12/11/06 9:50amMessage 15 of 16
z
zgator
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Savannah, GA - USA
Joined: 1/20/2005
Posts: 936
Vette(s): 1982CE,32,000 and counting. (fast!!) 1981 Vette, black on black. ZZ4 (quick!!)
[QUOTE=gs77vet]

Hey Zgator, When your engine is hot check around the water intake on you radiator, (top left side) usually a small crack near the radiator. I had the same problem, hence a new radiator. I wish for you better luck. Gene

Question, What does zgator mean. If it means you are a Florida football fan. (WAR EAGLE) Big%20smile[/QUOTE] I am a Gator fan but live in GA.I love it when Fla beats the Bull Dogs,but my name comes from the fact that I live in an area where there is a lot of gators around.I got the nickname from when I was about 14 and I was poking a gator in the nose with a long stick.Well,not to good,The gator finally got pi##t off and ran me up a tree.I had to wait in that three until one of my friends went for help.My dad and a couple of his friends came and got the gator to move on by shooting their guns in and around him until he ran away.The Z part is from the Z/28 (71) that I have.Know you all now the embarssing part of my nicknameEmbarrassed zgator2006-12-11 09:52:21
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Where is my coolant going??

Posted: 12/15/06 9:07amMessage 16 of 16
g
gs77vet
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Hey gator, I'm glad you are O.K. But that ordeal is funny. We have some huge gators around here. Last year a 14 ft. gator was pulled out of the lake that connects to my property. I have personally seen only 4 to 5 ft. gators. Thats big enough for me. Gene
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