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gushing coolant reservoir?

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Old 09-17-2009, 12:27 PM   #1
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Default gushing coolant reservoir?

I got a 2005 v6.. I took the car in for an oil change 2 weeks ago. They check all the fluids along with the oil. Never had an issue in the past with them. been taking it there since 2005 when i bought the car. anyways.. I didn't really drive the car after the oil change. Then the car sat for about a week while i was away on business. I drove the car around this past Sunday and when i got to my destination, about 2-3 mins after i parked i noticed antifreeze gushing out of the reservoir, like out from the cap.

I let the it sit and get cold, cleaned it up and put some more antifreeze into the reservoir up to the line on it. I tightened the cap. I ran the car for a while and watched the temperature gauge just stay in the middle. It's not over heating. The fan is kicking on when you turn on the heat or the air. I drove the car home and nothing, i thou noticed the level in the reservoir was a slight bit lower then the amount put in. There is no leaking at all when its cold. So the following day i drove the car all the way to work, opened the hood and the level was the same as the day before. Nothing happened. I drove it home and walked away for another 2-3 mins and it happened again, it started gushing from the cap.

I bought a new cap for the reservoir, and tested the car again. Again its not over heating or anything. I drove it all day yesterday and had no issue at all with it. Is it possible there is/was too much antifreeze in it? like I'm wondering if the people who changed the oil put in antifreeze because maybe the reservoir looked low or something, possibly forgot to tighten the cap all the way (if they opened it) and or damaged the cap? Or do I have a serious issue with the radiator/cooling system? Another question is how much antifreeze should be in that reservoir? aka is the line 3/4ths of the way up where that box/lettering is on the reservoir?
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Old 09-17-2009, 01:40 PM   #2
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Is it doing it with the new cap? It sounds as if the cap wasn't sealing properly (I just answered another thread nearly identical to this one). Providing you're not seeing any temperature fluctuations, white smoke out the tailpipe, oil in the coolant or strange oil color on the dipstick then it's NOT a head gasket.

Hopefully the grease monkey simply didn't tighten the reservoir cap properly or there was some crud underneath.
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Old 09-17-2009, 01:51 PM   #3
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When my car did that I had blown head gaskets - exactly the same symptoms as you described. No overheating showing just coolant gushing out of the reservoir.
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Old 09-17-2009, 06:46 PM   #4
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could it be a thermostat thats gumbed up and sticking periodically causing pressure?
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Old 09-17-2009, 06:49 PM   #5
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Quote:
Originally Posted by Joshspony View Post
could it be a thermostat thats gumbed up and sticking periodically causing pressure?

never mind, he said he wasn't having any heating issues.
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Old 09-18-2009, 03:05 PM   #6
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Well we've driven it around the past 3 days and it hasn't done it since we replaced the cap. So hopefully that's all it was.

Yea the temperature is not going past the halfway mark, no smoke and we didn't see any oil in the coolant. I'm going to check the oil dipstick to just make sure as well.

I was worried it could be the head gasket. I was thinking about changing the thermostat soon too since its coming up on 100k miles.
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Old 09-18-2009, 05:16 PM   #7
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I just drove it over an hour and it just did it again. It felt hot when I was driving it... Like I had the heat/air off but the blowers felt hot like the heat was on the first setting.
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Old 09-18-2009, 06:08 PM   #8
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Did you ever check the dipstick? White or other discoloring in the oil isn't good!
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Old 09-18-2009, 06:31 PM   #9
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When my head gaskets went the reservoir showed no oil and the dipstick was fine as well.
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Old 09-18-2009, 10:06 PM   #10
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The first time my headgaskets blew I had overheating problems but I verified it by the bubbles I could see in my radiator. I just had the same problem as you with no overtemping or other symptoms but this time it cost me my engine.
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Old 09-20-2009, 06:43 AM   #11
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checked out the oil, and its fine. no white smoking coming from the tailpipe either. I went out and bought a new thermostat and we replaced it yesterday. Drove it around a bit yesterday and it seemed like it was driving better. I need to take it for a good long drive like to work and see what happens on Monday.

I'm going to take it over to the dealer and have them check it out i guess.
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Old 09-22-2009, 09:26 PM   #12
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hopefully it was just the thermostat

good luck
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Old 10-07-2009, 08:30 AM   #13
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I brought the car to the dealer. What a horrible mistake. It sat on there lot for about 2 weeks. I called up there after 1 week, and they said they would call me when they would look at it. The second week came and no call. So i called them and told them i am going to come pick up the car because i need to get the car fixed, and this is taking a ridiculous amount of time. Also considering the woman at there service department kept telling me that they would call me back, and they never did. As soon as i did this they looked at it, told me it was a bad processor (which i assume is the ecm), fixed the car, first day back i drive to work and the thing gushes over once again. Wouldn't they check the head gasket? and now if i bring it back and they say it's the head gasket, are they going to charge me again? this is insanely a scumbag move by this dealership.

If i drive short distances nothing happens. If i drive it multiple short distances it might gush If i drive longer then 2 hours it gushes.

I am so tired of this sigh
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Old 10-07-2009, 09:22 PM   #14
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I don't know what to tell you, and I assume you don't have any kind of warranty do you? I would think that they charged you a lot for the processor. I would take it back and demand it being fixed with some kind of discount. You can tell them that you brought it to a ford dealer because you thought that they could fix a ford car, as opposed to going to a local shop. Good luck with getting it fixed.
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Old 10-09-2009, 04:37 PM   #15
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So i ended up bringing it back. they ended up replacing the thermostat again and the water pump. I said to the woman i hope i won't be back, and as soon as i pulled into my drive way the thing did it AGAIN! So i drove it back up there, and of course when i drove it back it didn't do it again. The guy who worked on the car came out and talked to me for about 15-20 mins which made me feel a lot better. He said the computer issue was a problem with the original 05s, Apparently my computer wasn't even responding when he tried it, so it needed to be replaced. Apparently I do have some sort of warranty on it for 5 years, or 97000 miles, and I'm at 93000.. So I'm lucky this previous work was all covered. they took the car back again this weekend to try to replicate it

The guy says it has to be something up with the fan. before this happened, He let idle for an hour and nothing happened. He took it for a ride and pushed it and nothing happened, drove it up hills. I just drove it home normally then it still puked.

I was reading another thread where someone had a bad fan relay on a 2005 v6, and I'm wondering if that's whats causing it. He also said he said the head unit is fine. he wants to check all the wiring and hopefully they check the relays.
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Old 10-09-2009, 06:16 PM   #16
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Well, thats good to hear about the warranty. Also that the head was checked and it isn't a cracked head or a gasket. Keep us informed about what you find out.
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Old 10-10-2009, 06:01 PM   #17
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If they haven't checked your head gaskets yet tell them to do so. That is exactly what my car did last summer and both head gaskets had gone bad. Instead of just continuing to replace parts and hoping to hit the right combination, they need to check the head gaskets first.
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Old 10-14-2009, 10:53 AM   #18
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I told them ever since the first time i brought it up there to check the HG, and they assured me every time that it was ok.

they called me last night, they put like 10 miles on the car driving around. ofcourse it did not happen when they had it. They said they found air in the system so they bled it. Honestly i would think that they would have checked this when they replaced the tstat and the water pump... They said the air was going in through the first replacement cap... again in my mind if i am checking something and i see a non ford cap why not just put a stock cap on.... So they replaced the cap. Honestly why don't they just replace the reservoir at this point as well..I told them to check the fan relays and they said they did. So I'm going to pick the car up tonight, and see what happens.

the replacement cap i first bought
http://shop.advanceautoparts.com/web...S_797894938___

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Old 10-20-2009, 01:41 PM   #19
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question, when it overflows, do you have the a/c on?

my car does that when the a/c is not on, because the fan does not turn on, so i believe i have a low speed temp sensor not working...but since with the a/c on it doesnt do it, i havent gotten to work it out yet
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Old 09-30-2012, 08:17 PM   #20
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Sorry to dig up this old thread but what was the fix? Mine is doing the same thing. Any thoughts? Not a head gasket, thermostat or cap
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Old 09-30-2012, 08:17 PM
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