Antifreeze Leak?

Tiny
DASHAUN94
  • MEMBER
No smell, and everything is dry. It's weird because as I said I only run out of coolant when I actually have the heat on. If it's turned off I could go weeks without adding coolant?
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
SHAWNTAY
  • MEMBER
  • 2000 PONTIAC GRAND AM
  • 2.8L
  • 6 CYL
  • AUTOMATIC
I recently purchased the car used. It has reportedly had a tune up and oil change both with less than 200 miles on it. I recently noticed my engine light coming on. Now I'm noticing anti freeze leaking with smoke coming from under the hood which is when the engine light comes on. The heat works fine it doesn't overheat according to the gauges. The smoke does appear to be coming from the center closer to the windshield which seeps out on the driver side the car runs great after adding antifreeze its fine no smoke no engine light. Wondering if I have a damaged hose or something. Thank you guys you are awesome to do this service to help people. GOD BLESS YOU!
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
HMAC300
  • EXPERT
Scan for codes then have coolant system pressure checked for leaks lmay be ahead /intake gasket
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
SHAWNTAY
  • MEMBER
It has been scanned at autozone and oreillys. Their were no codes it does not over heat pressure system has been checked it is leaking over the k frame onto the transmission it smokes at times and other times does not not sure if its leaking from a hose or what also replaced thermostat and gaskets
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
HMAC300
  • EXPERT
Because O'reillys and autozone are parts people they aren't a mechanic. It's ok to get codes read there as they can only read engine an dtrans codes but they can't say why they are there. The leak you are talking about is very common on these earlier engines as it comes form the intake and sometimes head gaskets. But normally only apro or someone who repairs these have the experience to say exactly where. Obviously you are in no h urry to get his fixed.
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
SHAWNTAY
  • MEMBER
I am planning to get it fixed as soon as possible but I am being told by the mechanics I have talked to it could be several things which is why I came to you guys for help I am not at all mechanically inclined so im providing information to you that I have been provided from the mechanics I have talked to and had look at the vehicle is im not sure what to fix I dont kno where to start so can you please help me with that
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
FUNKYJAT
  • MEMBER
  • 2000 PONTIAC GRAND AM
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 110,000 MILES
Hi There,

Recently flushed coolant system, after a while add coolant light comes often. Checked with mechanic he said there is cooland leak. Now meantime another issue devolped, Instrument panel light & all gauges and heat/AC doesn't turn on as I Start my car. It comes after a while like 2-5 mins interval. I have checked my car for OBD code and found P0449 & P0443. Just wondering if coolant leak caused mositure to some of the magentic/electric parts which lead to those code.

Also wot the main cause of coolant leak? Just hoses or something else could be involved. Is that some thing can be done at home?

Thanks
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
BMRFIXIT
  • EXPERT
P0449 Evaporative Emission Control System Vent Valve/Solenoid Circuit Malfunction
P0443 Evaporative Emission Control System Purge Control Valve Circuit Malfunction
codes no relation to coolant leak
leak due to a
very common intake manifold gasket
check it out
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
HMAC300
  • EXPERT
It can be several things that is the point in my last reply I gave you a most likely cause of that year which is intake gaskets but it cold be head gaskets as well. Then you get into things like cracked heads etc. If your shop you took it to hasn't many complaints through better business bureau and is busy then they probably do good work at a fair price. Which for head gaskets is around $1200-1500 on your car depending on many things like coolant, hoses etc. We can't see the car nor test it ourselves so that is why we give answers like I have given. We (mechanics) are not like everyone thinks and that is to rip off everyone for our work. You don't have to do that just give an honest days work for an honest wage. Being a mechanic isn't easy, working around dirty engines and cars and people expect just any idiot can fix them. It's not like that especially today. Sorry for the rant
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
SHAWNTAY
  • MEMBER
Its okay I really appreciate what you guys do I've been ripped off by mechanics and car dealers the last few yyears as rd I've gotten a dif car every year because people these days have a evil tendency to take advantage of other people n its sickening I do not have the funds to buy another car so im trying to b very inquisitive and cautious at the same time I will find a professional and make them aware of your suggestions and see what I come up with and I will let you know. Thanks so much again
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
BSTASH13
  • MEMBER
  • 2000 PONTIAC GRAND AM
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 125,000 MILES
Ok here are the symptoms. Shortly after driving the car, about 1.5 miles, the temp gauge went about three quarters of the way up then back quickly back down to proper temp. Then shortly after that all at once all of the coolant spilled out of the overflow tank release hose, (not positive of what its called but its the hose not connected to anything and just goes to the ground when the coolant level is too high) but in this case almost all of the coolant is being expelled out of this hose. Obviously when this happens the car quickly overheated. I added coolant and was able to get it home without it overheating again no positive signs of a head gasket i.E. Fluids mixing, white smoke etc. Although I guess I can't rule it out.I'm thinking possible clog in the system, air pockets because I did recently change the lower radiator hose although I tried bleeding the system and it seemed to have no effect.(Assuming I did it right) oh and even when the overflow tank is full the heat in the car is sporadic. It will work fine then go freezing cold (in the summer) I'm just trying my best to diagnose the problem from the safety of my garage before deciding whether or not its worth paying for a tow as opposed to driving it too the shop about three miles away. Any help would be greatly appreciated
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • EXPERT
When the engine is cold, open the radiator cap and start the engine. If the coolant comes shooting out, it's a head gasket. If it doesn't, I think you have a air pocket. How did you try to bleed the system? I would start with a new thermostat, radiator cap and get the radiator checked for a partial blockage, this will have to be done by a radiator repairer, start here and let me know what you find. Also, let me know what size V6 you have.

Joe
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
BSTASH13
  • MEMBER
To bleed the system I started the car with the radiator cap off.(There is a bleed screw on it but last time I tried using it it snapped off because its made of soft cheap brass and I ended up having to replace the whole pipe it was attached too) so anyway with the cap off I revved the engine up to 1500 rpm's for three 15 second intervals. Then replaced the cap turned the heat up to high and let it run at normal operating temp. This did nothing to help and the heat was cold during this process. Thanks again for any input
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
BSTASH13
  • MEMBER
Oh and sorry its a 3.4 liter v6
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
BSTASH13
  • MEMBER
Had a dye test done on the coolant. No exhaust gas in it and no coolant in the oil or oil in the coolant or white smoke I think its pretty conclusive that its not a head gasket. Also conclusively not an air pocket. Any other ideas. Clog in the heater core. Coolant temperature sensor. Etc.
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
CASSIEANDIAN
  • MEMBER
  • 2000 PONTIAC GRAND AM
  • 123,000 MILES
I put more coolant in and it just leaked that everywhere and there is no crack and it isnt coming from the cap but there is a hose that is coming off the container that isnt attached to anything and I was told a while ago it wasnt suppose to be?
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • EXPERT
Honestly, I think you have an air pocket. I wouldn't say that if the engine temp wasn't going up and down. Since you have no bleeder, remove the return line from the heater core to see if any air comes out. Loosen the hose, turn the heater on high, and start the engine. See if you get coolant or air.

Joe
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
CARADIODOC
  • EXPERT
You know we can't see it over a computer. It sounds like the hose you might be referring to goes to the reservoir. If that is not attached, coolant will run out when the engine warms up, and it will draw air back in when the engine cools down. That air can cause the thermostat to stay closed which will result in overheating and possibly expensive engine damage. This should be looked at right away. Fixing a simple leak could cost a lot less than major engine damage.
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
BSTASH13
  • MEMBER
Thanks I think your right about the air pocket. My only other question is what could be causing it to keep getting air pockets. Again its not the head gasket and i'll seem to work an air pocket out and the car will run fine for a couple days then out of nowhere dump all the coolant out of the overflow hose all at once again. Pressure tested and was fine. Everytime I bring it to the mechanic it doesn't happen and they say nothing is wrong. Also would doing a coolant flush help?
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)
Tiny
JACOBANDNICKOLAS
  • EXPERT
Tell me, does the heater work?
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Wednesday, July 29th, 2020 AT 10:11 AM (Merged)

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