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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6answers
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How far can you drive with an empty radiator?

The radiator on my Peugeot 106 has started leaking very badly and need replacing. I don't have time to fix it at the moment, so I'm taking it to a garage. How far can I drive it without damaging the ...
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1answer
158 views

97 Mazda: Are there Two Heat Sensors?

I just replaced the coolant temp sensor in my Manual 97 Mazda Lantis 323 1.8L DOHC 16 Valve BP , which had been malfunctioning and realized that something else seems to be responsible for reporting ...
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1answer
4k views

My radiator fan keeps on right after shutting off the car (Hyundai Accent 2002 GL 1.6)

My car radiator fan keeps on working right after shutting down my car, which is strange and never happened before. I suspected the temperature sensor, but through the OBD II kit, I am able to read ...
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3answers
3k views

Coolant spills out of the overflow tank at high pressure

My '98 Subaru Forester spills all its coolant with very high pressure and overheats. I changed the radiator cap and did a flush, but still have the same problem. I added stop leak, but that did ...
2
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1answer
119 views

Coolant overflows into overflow when accelerating, but completely empties when car cools

My VW Polo's coolant overflows out of the expansion tank. It's like there is too much pressure, causing the coolant to boil out of the tank, yet the temperature is normal. The fan always kicks in, ...
2
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1answer
1k views

What causes mud in my radiator?

Ive changed my oil about one month ago but just recently my check oil light has started coming on and I started losing my heat. I thought I might just have low antifreeze but when I opened my radiator ...
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2answers
3k views

Lots of oil in radiator, but no coolant in oil and oil is not low

Theres oil in the radiator and the overflow tank of my 2002 GMC Envoy. The oil is fine, and has no water in it. The SUV gets regular oil changes, and the oil presure is fine. Water temperature is ...
2
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1answer
392 views

Engine temperature increases when idling though thermo fan is working

I am trying to diagnose an issue with my Mk1 Golf. The engine heats up when the car is idling or in traffic but cools down almost instantly when I start moving again. I would presume this is the ...
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3answers
2k 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 ...
3
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1answer
171 views

Grill of car got knocked inwards - should I worry?

A poor pidgeon came off second-best to the front grille of my Chevrolet Kalos a few days ago - I had no desire of being rear-ended by the car that was following me too closely! So the bottom of the ...
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votes
4answers
89k views

Reasons for loss of radiator fluid

I've had to top up my car's radiator fluid twice in the last month after discovering that the expansion tank (plastic container where one usually tops up) had completely drained out (roughly a ...
3
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1answer
501 views

Strong vibrating over 60mph. 98 ML320

1998 Merc-Benz ML320 Some Back Story Had problems sense I got his thing. It had a slight radiator leak to start with that I was made aware of at purchase. Until now, that's all it was. Since ...
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2answers
2k views

Steam coming from radiator, odd noise while accelerating

I have a 1995 Toyota Corolla and last night while driving on the freeway, every time I pressed the gas pedal, the car would make a very noticeable sound. I pulled over and, as soon as I did, steam ...
3
votes
2answers
939 views

Why did GM change the pressure rating of their coolant tank cap for existing vehicles?

GM has changed the part number for the radiator surge tank cap on vehicles that came from the factory with Dex-Cool. The new cap is 18 PSI (RC87 - part number 25713160), the old one for many vehicles ...
2
votes
2answers
343 views

Will a radiator still work properly if laid on its side?

So basically I made the decision of investing in a 1987 MK3 Supra with an 350 small block engine swap. The current radiator is not cutting it and the vehicle overheats after 10 miles of driving when ...
4
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1answer
1k views

Engine coolant gets to very low levels, but doesn't completely empty

2008 Toyota Tundra with a 5.7L V engine I noticed last month that my coolant reservoir was well below the 'low' mark. I filled her up, only to find out last week that it was back to the same spot ...
3
votes
1answer
146 views

Inside radiator coming off?

I have recently (yesterday) went through coolant flushing and this morning, I have opened the radiator cap and found something weird going on inside: I'm pretty sure it was fully black all of ...
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2answers
298 views

Radiator is getting more heated

my indica vista car engine is getting over heated. Is this because of not mixing water and usind only coolant oil, if so what should i doo now can i mix water now in that.
4
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1answer
72 views

Is coolant testing necessary on modern vehicles?

My father in law continually reminds me to check my antifreeze when it starts getting cold. I get the squeeze tester out and it always shows everything is fine. We drive cars that are always less than ...
2
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1answer
805 views

2004 Ford Escape Reserve Coolant mixed with oil

I have been using my 2004 ford escape 4x4 v6 for nearly 7 years now since my dad gave it to me. I am not a very technical guy when it comes to car maintenance but I see to it that it is always ...
5
votes
3answers
1k views

Does a small amount of dried coolant warrant replacing block heater, radiator and hose Or can I use K-Seal?

My garage found a small amount of dried coolant on my radiator and block heater and tell me that I needed to replace my radiator, block heater, and hose urgently, as it could leak at any moment. I ...
2
votes
1answer
861 views

Ford Fiesta - the colour of the water in the water container

I own a hatchback ford fiesta. I took my car out for a drive today for 10 minutes and when I came back, I opened the hood and checked that the water in the water container was quite hot (not ...
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2answers
374 views

2003 Acura TLS running hotter than usual

I'm having some concerns with my car's engine temperature. Last weekend after being stopped at an intersection, the engine temperature went up higher than usual, about 75% of the way to the red line. ...
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2answers
1k views

95 geo metro 1.0L pushing coolant out of overflow

I have a 95 geo metro. Car runs good and has normal power. When car is idling it runs fine with no overheating or coolant being pushed out of the overflow. I was told to replace the water pump, ...
3
votes
3answers
7k views

What is the Magic ON temperature for Electric Fans?

I want to wire up my old truck to turn an electric fan ON to keep the radiator cool. The ECM has an engine coolant temperature sensor mounted in the engine that alters the resistance to determine ...
2
votes
1answer
756 views

Radiator Coolant Leak

I have found heavy leak of engine oil into the radiator of my 1996 Mercedes Benz (odometer 150000 mile). The workshop found the oil cooler pump damaged but we could not find a new one in the area. He ...
2
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2answers
36k views

Using only coolant or mix of water for radiator?

Do I have to use only coolant for radiator or mix coolant with water, if so what percentage of coolant and water should be mixed?
2
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1answer
148 views

Does a water leaking make the engine heat faster?

I have a Range Rover classic 1993 which is heating very fast even if I just drive for 10 min, the heat is not rising too much but I used to drive this Range Rover before and especially in winter ...
5
votes
2answers
2k views

Changed radiator, now have misfiring?

I have a 1996 Nissan Altima. I had to change my radiator recently because it developed some cracks on the top of the tank and I would have to refill the tank every few days. When I changed the ...
2
votes
2answers
515 views

How to know if a radiator is getting sufficient airflow

I have recently purchased a dune buggy as displayed in the photo below. Note the position of the radiator located above the seats. What I am wanting to do is install some clear perspex in the window ...
2
votes
2answers
427 views

Plastic end-tank radiator

Why are modern radiators made from aluminium with plastic ends? What is the durability compared to 100% aliuminium radiators?
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5answers
3k views

2005 Ford Taurus - Is it really harmful to use standard antifreeze?

My wife was speaking with a mechanic when she took the car in for a safety and emissions inspection this past week and the mechanic told her that we HAD to take our Ford Taurus to a Ford dealership or ...
4
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2answers
1k views

01 sentra running hot

I have an 01 nissan sentra which had been running hot. If i start the car in the morning and turn temp control to hot and fan on and let the car warm up, i will have no heat and the car runs hot. Just ...
3
votes
2answers
469 views

Should I try radweld on this pipe or just replace it? Mk3 VW Golf

I have a leaking pipe in the cooling system of my Mk Golf. It leaks about a litre in 5 miles. I'm not sure if it's worth trying Radweld with this rate of flow or if I should just try to find a ...
3
votes
1answer
352 views

My truck is not accelerating when going to low gear from high gear

So I have a '94 Chevy truck with a bad radiator leak (which may be unrelated). Yesterday and today I pulled off of the highway and the street light on the exit was green meaning I didn't have to come ...
3
votes
1answer
443 views

1995 Chevy s-10 4 cylinder running hot but not overheating

I am having an issue with my s-10. It runs hot but is not overheating. It started when I replaced the temperature sending unit and thermostat. I put in an additional thermostat to make sure the first ...
3
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3answers
6k views

Is there a reliable way to repair a pin hole leak in a radiator

I have heard a few different ways to fix a pin hole leak in a radiator. I have heard put a small amount of black pepper in the radiator, or use jb weld to patch the hole, and not to use the stop leak ...
2
votes
1answer
450 views

Lower radiator hose heater. Is it worth it?

As winter and cold temperature are coming soon, I was looking at getting a block heater and I came across a thread talking about installing a lower radiator hose heater. Does anyone have one ...
2
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1answer
2k views

Radiator drain plug for Ford Falcon BA Mk2 Wagon

I'm trying to flush the coolant on a 2005 Ford Falcon (BA Mk2 wagon model, with the 6-cylinder engine), but am having difficulty locating the radiator drain plug. I'm having difficulty even getting ...
5
votes
3answers
1k views

How to do minor repairs to a radiator?

I have a radiator in my truck that has a slow leak which looks like it is oozing a little bit in between some of the fins. What are some of the ways to repair a radiator without replacing it? At ...