Golf IV / Jetta IV :: Replaced Radiator - Can't Fill With Coolant
Mar 13, 2016
I just replaced my radiator in my vr6 jetta. I've replaced my coolant before, with this same problem,but it never affected anything and did not find any answers. But here's the deal. It filled with about 2 gallons of mixed coolant. No noticeable air bubble sounds, coolant flows back into the reservoir. I opened my top rad hose and poured coolant in also. It is not overheating. My heater is also hot, no problems there. It just seems suspicious that my car takes so little coolant, and runs just fine. I also flushed the system with my garden hose, and let all the water drain out.
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Recently I started leaking coolant on the driver side area to the right of the engine:
I am assuming I need to replace some part/tubing that has a leak in it, but I am not sure what any of these things are called. How to identify what leaking part here is?
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Ok so I have an 04 Jetta 2.0 and lately it's been overheating on me. The first time it started overheating was because my radiator was cracked and leaked out all my coolant, I swapped the radiator everything was fine for a while. The second time I started overheating, I saw my primary fan was bad it wasn't spinning at all, I swapped it everything was fine for another while. I also changed the coolant temp sensor, it wasn't bad it's just because the coolant flange was leaking coolant, so I changed it a long with the O-Rings and sensor. I also changed the thermostat just incase that was the problem but it wasn't.
I don't think the fans are turning on by them selves when they have too, but either way the car still overheats when I turn on the fans manually with the A/C. I'm not sure if the coolant is circulating, as the car only begins to overheat when I come to a stop and it idles. I have a feeling it's the water pump but I wanna be sure it is before I change it. What it could be? Things that I should check for that usually go out?
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I have a 2013 GTI manual 6 speed with 18K very gently driven miles. Yesterday I noticed coolant on the garage floor and checked the reservoir which was below the fill line.
Went to dealer this morning .....bad water pump. I asked if this was unusual for such a new car with low miles and service writer said yes. After googling water pump failures of GTi's I learned this was not the case.
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92 Toyota Pickup (22RE auto). New block, rebuilt head, new water pump at 300k about a year ago. Sounds strange I know but that's what seems to have happened. Ive never been able to get heat from the truck since Ive owned it so Ive been trying to fix that. I flushed the coolant out and replaced the tstat. I brought the car to a mechanic and he put a pressure tester on the cooling system and he said it wasn't holding any pressure. He also pulled off the heater core inlet hose with the truck running and no coolant was coming out. He thought there was a blockage somewhere but how to fix it. I figured I might as well try replacing the old radiator cap with a new one so I did. Once I did this, the first time the truck went out, it overheated and the radiator crimped upper seam (on the plastic) burst outward.So all in all...something is wrong.
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The inter cooler to throttle body hose and it seems to have coolant all over it.
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I bought a 2011 GTI this past March, it has about 5700 miles on it. Last week I posted about my radiator leaking coolant and what I went through to get it fixed. I got the car back last saturday and everything was fine, up until tonight. I was pulling onto the highway (no one coming, luckily), and as I went to shift into 2nd, I heard a loud bang, almost like my car backfired, and then the CEL came on and my car went into limp mode. I immediately pulled over, but it was dark and I couldn't really see much (not sure what I was looking for anyways). I was about 3 miles from my house so I drove home cautiously, but as I was driving home, I smelled a faint burning odor.
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Noticed my coolant was going down. also realized my driver side radiator fan was not working. I ordered the part, im on that. But (1) should or can I still drive my car to work? Also would my driver side fan cause some of the radiator fluid to evaporate.?
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Okay so recently I was driving my 2000 Jetta and the coolant temp light came flashing on, when I went to check the coolant I was surprised to discover that it was like a mud brown color, almost looks like peanut butter. From everything I have read this can be from a few things, either rust build up that is gunking everything up and oil getting into the coolant somehow. I'm pretty sure its rust build up but I was wondering what everyone thinks about this, I was also not using G12 coolant which I'm told now is the premier brand for VW's.
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As it was such a matter of time, my fans on my 24v gave up during winter, no big deal as it was a pretty cold winter but now that spring is around the corner, I gotta fix this issue. To they change for the same OEM unit that will die in the next 30k miles.
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I don't understand what is going on I noticed smoke coming from my fans radiator fans and I'm pretty sure that it was motor being fried I've gone to the junkyard and bought a used assembly hooked it up and still nothing could be a possibility that when the motor fried it fried the control module for the fans
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yesterday my upper radiator hose connector broke off and I replaced it filled it up with coolant and now the upper radiator hose gets really hot at normal temps while the lower hose is cold maybe and gets warm not hot or anything... I see some steam coming off the radiator but i think its all the coolant that splashed on it yesterday from the hose busting off and flooding it basically. the car does not overheat at idle or driving or anything so I am curious to what it could be
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Radiator fans making tons of noise on my newly purchased gli jetta...
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I could hear a rattling noise under the hood. The passenger side fan would appear to be off balance or the bearing most likely is going out in it. I am having trouble finding a replacement fan for it. Can I replace just that fan, or am I looking at a new cowl complete replacement? What is the part numbers or a link about these fans. It is the passenger side fan that is malfunctioning.
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I have a quick question, I got a 2005 mk4 gli, and when the cooling fans go on, only one works, the other one does not, I checked the fuse and its fine.
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I did an engine swap for a junkyard motor my 4.0 ohv had a very bad rod bearing so I got one from the junkyard with 117,000,or so they say.Anyhow, after its all said and done it runs perfect except the temperature gauge seems to not get as high up on the gauge as before after sufficient driving(it used to run about middle of the gauge) it drops low at idle then goes up and stays up then goes down.it still has good heat, doesn't seem as good as before tho.I changed the thermostat also.
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Cracked my oil pan somehow on the way home. I didn't notice it at first because I didn't go out to start it till the following evening. I went out to let it warm up for 5 minutes that evening and it started perfectly fine. I went back in the house to grab a couple of things, and i could here a loud ticking so i run out side to shut the car off and just as i get to the car it dies. so i push it into the shop and of course i notice the huge splotch of oil on the gravel. It sat in the shop for close to a month, as I got busy with school, and what not, I didn't get a chance to replace the oil pan.
I finally replaced the oil pan on Friday night, there was no metal bits or shavings in the old oil pan. it wont start. everything turns on in the car just fine. It just wont start. Battery is at 12.6 v all the grounds are solid no corrosion. The car tries to start, but the starter will maybe turn over once or twice and then stop.
Is the Motor pooched or is there something I'm missing.
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A few days ago I was driving around. I get back in my car and when i turn it on no air blows and the radiator fans aren't working at all. My car hasn't overheated but have stopped driving until I can figure the issue out. I have since replaced the fuse box on top of the battery to no avail. I was thinking that it could possibly be the fan control module but in all the posts I am reading not one says that theirs don't work, they just keep running. So is there something else i should be looking at?
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I'm having an issue with my fans on my radiator. They don't turn on when the engine gets warm and the A/C is off. I've replaced the crack pipe, water pump, and belt tensioner. I've replaced the fans not to long ago because the low speed wasn't working. I tested low speed at the fan connector and it wasn't working. After replacing fans I tested and it was working when jumping the pins on the thermo switch connector. I got both low and high speeds to work during that test. I've since replaced the thermo switch to see if it would fix the issue but the fans still won't come on without turning the A/C on. Any other tests I could do or should I just try to get another thermo switch.
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Any way to test the radiator temp sensor for faults? My radiator fans arent kicking on, and my car will get upto 215f on the drive to work. I am also going to replace the thermostat and test my radiator fans and relay today, but I have no idea how to test the sensor.
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I have an odd problem. My AC will not activate until the engine gets hot enough that the radiator fans turn on. Once they do, the engine RPMs drop, the clutch kicks in, and I get frosty cold air with no problems. I already replaced my FCM and checked all fuses. It worked consistently all last summer and considering the AC is nice and cold once it kicks in, I don't think this is a pressure issue and it was recharged at the beginning of last summer by a good shop.
I changed my coolant flange a few months ago, same temp sensor. Didn't try AC back then as it was cool outside still. Could this have something to do with it? I have proper readout on my dash. Maybe it's the ambient temp sensor?
2.0 Getta GL AEG 230,000 miles.
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