Questions tagged [radiator]

A radiator is a heat transfer device that allows air to pass freely over fines that conduct heat from liquid circulated within an engine to cool it.

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1answer
35 views

Radiator cap build up

So I pulled the thermostat to see if that was bad and it was still good also checked my oil and it wasn’t milky but I pulled the radiator cap off and this was built up on it And I’m wondering what ...
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349 views

2006 Toyota Sienna overheating and now knocking?

This is my first post so bear with me, please. About a month ago I was given a 2006 Toyota Sienna. The first two weeks it was driving like a dream and very quiet. It has about 350,000 miles. The ...
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1answer
408 views

radiator removed – is it still possible to flush system?

I'm replacing radiator and a/c condenser on my car. After hitting a deer, they both bent inward and most of the coolant leaked out of the car. I got both of them off the car and realized I forgot to ...
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1answer
142 views

2000 Honda prelude radiator issue

I was driving my Honda prelude and all of a sudden it shut down and wouldn't start again. I pushed the vehicle to the side of the street and opened the hood. The radiator frame where the hose ...
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3answers
416 views

How can I fix a mixed coolant problem?

My husband noticed out coolant level was low and added in green on top of orange. He didn't know the coolants shouldn't mix. Now I'm worried that our car is ruined because of this. I know they can do ...
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1answer
73 views

Do I need my system cooling fans running during the winter months?

I know I need it, but I’m going to get a new car in a couple of months, and I just really need something to get me to work and to school, which is only about 15 min drives. My car sounds the same, and ...
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1answer
34 views

Small amount of dim white smoke coming from engine compartment?

I recently found out that there was a crack in my radiator in my 2011 Nissan Maxima. I didn't have the money the day of to get it fixed so I drove home (8 miles away) but I would've never known ...
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1answer
652 views

Ticking and burping noises after valve cover gasket change and radiator issues

I'm a first time driver. Got my (first and only) car, an Acura 99 TL, about 8 months ago with 155k miles. I have driven it for about 9k miles now. Had no issues whatsoever, except for an occasional ...
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1answer
92 views

cant squeeze return hoses to the Coolant Reservoir

when the engine goes warm this hose return fluid to the Coolant Reservoir. but the pressure of returning water is very low. this is mean my radiator get stuck? or its okay to return water with low ...
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32 views

Upper radiator hose smoking

Steam coming out of the hose where upper radiator hose connects to the radiator. Hose itself has no damage just seems to steam from where it connects to the radiator. Car overheating
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1answer
827 views

Blown head gasket? (Decent compression numbers but cooling system doesn't hold pressure, no external leak)

I have a Mazda MX-5 and it was overheated due to the water pump belt failure. I replaced the belt afterwards and the car drove fine. I brought the car to the shop and they told me it has head gasket ...
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2answers
4k views

Radiator has a leak and the upper hose is clogged, car does not overheat. White smoke from upper hose

My car is a 2003 Buick Century and it has been leaking for the past few months (puddles of coolant under the car). Now the car begins to have white smoke coming from the engine and it has a sweet ...
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1answer
53 views

Radiator Hose was unattached!

so I have a 2015 Infiniti QX70 that I took in for its routine oil change (Infiniti dealership). Before they completed the job, they recommended I replace the top radiator hose, bottom hose, and some ...
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2answers
2k views

Was sent radiator for automatic rather than manual. Can I simply connect the two unneeded outlets with a piece of radiator hose?

Radiators for the automatic version of my car have a couple of extra coolant outlets at the bottom for cooling the auto transmission. I was sent the wrong radiator and I don't need these in my manual ...
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1answer
2k views

Holden Captiva - Lots of oil pouring out the radiator expansion tank

On my 2012 Holden Captiva 2.2 diesel car the radiator expansion tank has filled with engine oil and now the oil is pouring out of the expansion tank. I am at a loss to why/how this has happened. Any ...
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Ive just had a waterpump replaced on my 2014 tiguan a nd after1 hours drive it overheated

2014 vw tiguan, SUV, 2 litre petrol turbo, overheating, I've just had a waterpump replaced and after 1 to 2 hours drive it overheated, on short trips the two fans stay on for 1 to 2 minutes a after I ...
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49 views

Pressure build up in radiator in a 2010 Subaru Outback

I have pressure build up in the radiator but no leaks found. The water pump was checked an nothing there. Mechanic thinks it could be a head gasket, but everything I have read stated that I would ...
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1answer
94 views

Is this damage to radiator fins enough to be causing overheating?

Trying to diagnose issues with an overheating 1988 Honda Accord, I pulled the rad to flush it. The lower section has damaged fins as such, though the rad does not leak and holds water fine. It's not ...
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50 views

Sludge in the oil of a Subaru Forester

My Subaru Forester has 105k. For the past three years, I've had to add oil to it at an increasing rate. In the past few months, I've had to add a quart every week or two. I have recently found out ...
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1answer
89 views

How much coolant needs to be added to radiator?

I drive a 2001 Buick Century. It has had some coolant problems/leaks on and off. My father in law was helping me with the car, and he told me that the radiator must be filled to the tippy top up to ...
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1answer
334 views

Replacement Radiator Cap

Good day, I recently lost the radiator cap. We have a spare radiator cap and it fits, but I'm not sure if it's for the same pressure. How do I know if it's okay? If I cannot avoid driving, is it ...
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2answers
457 views

2013 Chevy Cruze A/C not working and possibly radiator fan

I have a 2013 Chevy Cruze and all of a sudden I get in the car and there is no A/C. The fan is blowing just warm/hot air. After checking the fuses (not sure how to test relays) I did notice that while ...
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1answer
27 views

Thermofans not staying on long enough?

I am working on a 1988 Honda Accord (2lt, injected, A-series engine) that has been sitting a while. I am getting an issue with it overheating (after about 20 mins idling). The thermofans kick on at ...
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Accidentally poured oil in car's radiator. Can I drive it or should I get it towed? [duplicate]

Somehow I managed to get engine oil instead of antifreeze in my car's radiator, about 50-60 ml maybe. It is a 2004 Fiat Panda which I don't plan keeping for more than a couple of years, so I do not ...
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5answers
165k views

Coolant level is below “low” in the expansion tank, dealership service says this is normal?

I took my car to the dealership for an oil change and inspection, which includes the fluids being checked and topped off. After the service, I took a look at the fluids in the car. There is a tank ...
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2answers
2k views

temperature gauge too low while the AC is on

I changed my radiator to double cell, after the single cell got leaking. I now noticed that the temperature gauge never goes up to normal gauge whenever I turn on the AC, and the Fan never idles. ...
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1answer
88 views

Its -38 and car wont start

So I ran out of gas in -40°c we filled the tank and put in fuel line antifreeze, tried starting the car and it cranks but wont turn over so we had no choice but to leave it for 2 days due to the cold....
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3answers
25k views

Car running hot - bottom radiator hose cold

Have a 2009 Subaru Forester XT 5 speed manual. The cars temps are running high. 98c while driving at about 100km/h. Temps will drop to 80c very quickly if the car gets into higher rpms. Ie 4000rpm. ...
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0answers
38 views

Oil in power steering

If someone put oil in my radiator and in my power steering, how long before the car would overheat? I had an oil change on 11/19 and no one else has done anything to the car except put gas in the gas ...
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1answer
63 views

How long can I run radiator flush in my car?

My cooling system is quite nasty and needs a flush. I followed instructions on radiator flush, which said to run the car no more than an hour. However few tutorial videos online suggest running ...
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4answers
10k views

Why would a water pump be run off of the timing belt?

I drive a 1999 Chrysler 300M, V6 3.5L engine. I am about to start a water pump replacement repair. I've discovered that the water pump is driven off of the timing belt, rather than either of the two ...
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0answers
272 views

Tucson 2013 Heatup oil water mixed

Engine Oil is Ok but Rediator water mixing with Oil.. 4 weeks before machanic suggested to change the Rediator. After that same issue happening again. I don't beleive on machanic anymore, what i ...
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1answer
92 views

Rubber pieces found in engine coolant

ISSUE: I found small pieces of rubber debris in the coolant. They are a little smaller than part of a fingernail clipping. The rubber hoses have flaking rubber when inspecting them on the inside. ...
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10answers
78k views

Is it all right to clean a car radiator with vinegar and chlorine?

I got the idea from this article, where it suggests cleaning your washing machine using chlorine bleach and then vinegar. I have successfully used this method to clean my household washing machine ...
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1answer
43 views

How to top off a radiator with a recovery tank?

How is the correct way to top off one's radiator when it has a recovery tank? In a radiator that has a recovery tank beside it (as described below), is it necessary to get most of the air out of the ...
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2answers
54k views

Will a radiator suck fluid out of the overflow tank if I didn't fill the radiator completely?

I recently changed the engine coolant in my 2006 Prius. The system is the type which has the radiator cap on the radiator and a separate overflow tank. The whole system yielded about 1.5 gallons of ...
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0answers
82 views

What's this loose o-ring in radiator neck?

2002 Toyota Corolla. Changed out the coolant on our friends car to find a beat up square rubber o-ring loose in the radiator neck. Photo below with it resting on the radiator. Please advise if this ...
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1answer
79 views

How can I tell if my radiator is bad?

I have a problem with overheating (1988 Honda Accord CA/LXi). I've replaced the water pump, radiator cap and thermostat, with no change. I've flushed the system and the coolant came out clean. There ...
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1answer
64 views

Are some engines produced without coolant overflow containers?

I bought a used mini excavator (Terex HR1.6). I followed the overflow hose from the radiator. It ends in free air – i.e. no overflow tank or valve or anything. I have the machine's manual, and I can'...
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1answer
34 views

New Radiator Fan Issues in my 2010 Ford Focus

I put a new fan in my Ford Focus the other day and the first day it didn't work so I took it to my mechanic and it's been working since he said he hasn't done anything so I'm not sure if that's true ...
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0answers
51 views

Jeep Patriot 2009 Model smoke from under hood when in traffic **PLEASE HELP -ADVICE***

I brought this jeep form a dealership about 6 months ago. When we got it there was nothing wrong it? Took it in for its first service and they advised everything is fine and replaced a few light bulbs....
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0answers
3k views

Difficulty starting car: caused by radiator leak?

OBSERVATIONS 95 Acura Integra LS has been emitted a funny smell of cooked chemicals for the last three days after running the vehicle. Today, there was difficulty starting the car that followed a ...
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1answer
103 views

What are the effects of using sulfamic acid to clean a radiator that is plugged up about 75%?

I've got a 1991 school bus with a CAT 3116 that gets a little hot on the highway and the stop engine light comes on. Only the top 25% of the radiator gets hot while the bottom remains very cold. I've ...
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2answers
209 views

Antifreeze is evaporating

I have a 2005 Toyota Corolla and I don't know why the antifreeze is evaporating. I don't have a leak, but my antifreeze is evaporating. What causes that. Every month I have to add antifreeze to my ...
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0answers
28 views

Tried running a block tester twice, coolant got into the tube

I read the instructions. I used a turkey blaster to remove the coolant from the radiator hose. The first time, while I was pumping it, it seemed to be going as advetised until the coolant got in, so I ...
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3answers
24k views

Why does the radiator fan have to start when turning the A/C on?

The inner blower fan is the one that pushes the air and not the radiator fan.
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2answers
7k views

2002 Honda Civic Overheating -

So I have a 2002 Honda Civic Lx. I’m not really too shabby with this car thing. We have changed my thermostat. My dad has replaced one of the hose. The system has been flushed. I don't know what's ...
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2answers
54 views

How to repair a 86 pontiac firebird that has oil in the radiator?

I have a 1986 Pontiac firebird 2.8l engine. My ex boyfriend accidentally (or intentionally)poured oil into my radiator without my knowledge and I drove the car until it died (no longer starts) after ...
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4answers
7k views

Mysterious honda civic 2002 overheating some time

Okay, so lets start here. First my car started overheating. We changed the thermostat but it keeps on over heating. Let me explain my problem. I am driving on highways my heaters work perfectly ...
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2answers
243 views

Is it unreasonable to expect nation chain mechanics to recognize a blown head gasket from a radiator problem before installing new radiator?

PepBoys replaced my radiator a week ago exactly, because it blew a hose a week before. It also had the following symptoms:. *spewing white smoke and fluid out the tail pipe. *radiator losing all its ...

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